Protecting your Network Attached Storage (NAS) and router requires a power backup that matches your specific hardware needs and budget. The APC BE425M stands out as the Best Overall for most home users due to its compact size, reliable standby protection, and integrated surge protection for both AC outlets and network lines. For those running sensitive equipment like high-end gaming routers or audio-visual NAS drives, the CyberPower CP1500PFCLCD offers pure sine wave output, which is safer for modern power supplies than the simulated sine wave found in budget units. Conversely, if you use a low-voltage DC router, the UGREEN NAS UPS US3000 provides a specialized DC solution that avoids the inefficiency of converting DC to AC and back again. The primary tradeoff in this category is between cost and protection level; cheaper units often lack automatic shutdown software support or use simulated waveforms that can stress sensitive electronics. Continue reading to see how these 15 options compare in runtime, form factor, and compatibility.
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Key Takeaways
- Pure sine wave units like the CyberPower CP1500PFCLCD are mandatory for NAS devices with Active PFC power supplies, while simulated sine wave units may cause humming or shutdowns.
- DC-specific UPS units like the UGREEN US3000 and WALLECUBE W150 offer higher efficiency and longer runtime for routers and low-voltage NAS devices compared to standard AC units.
- Network surge protection (RJ45/RJ11 ports) is a critical differentiator; many budget units protect AC outlets but leave your router’s internet line vulnerable to lightning-induced surges.
- Runtime estimates in marketing materials are often optimistic; actual runtime for a typical NAS (15-20W idle) and router (5-10W) on a 425VA unit is rarely more than 5-10 minutes, sufficient only for graceful shutdown.
- LiFePO4 battery units like the GOLDENMATE models offer significantly longer lifespans and lighter weight than traditional lead-acid batteries, though they come at a higher upfront cost.
| APC BE425M UPS Battery Backup and Surge Protector |  | Best Compact Router Backup | Capacity: 425VA / 255W | Outlets: 6 total: 4 battery backup and surge protection, 2 surge protection only | Runtime: Up to 15 minutes at 100W | VIEW ON AMAZON | See Our Full Breakdown |
| Vertiv Liebert PowerUPS 200 PSA6E-1500LVT 1500VA UPS Battery Backup |  | Best for Managed NAS Shutdown | Model: PSA6E-1500LVT | Capacity: 1500VA | Maximum power: 850W | VIEW ON AMAZON | See Our Full Breakdown |
| UGREEN NAS UPS US3000, 120W DC and 12000mAh Battery Backup |  | Best NAS-Specific DC Backup | Compatible devices: DXP2800, DXP4300 Plus, DXP4800, DXP4800 Plus, DXP480T Plus, DH2300, DH4300 Plus | Output: 120W DC | Battery capacity: 12000mAh | VIEW ON AMAZON | See Our Full Breakdown |
| APC 1000VA/600W Pro UPS Battery Backup with AVR, BX1000M |  | Best Overall for NAS and Router | Capacity: 1000VA / 600W | Outlets: 8 total: 4 battery backup and 4 surge-only | Runtime: Over 42 minutes at 100W load | VIEW ON AMAZON | See Our Full Breakdown |
| CyberPower ST425 425VA/260W Standby UPS Battery Backup and Surge Protector |  | Best for Surge-Protected Outlet Expansion | Model: ST425 | Capacity: 425VA / 260W | Output waveform: Simulated sine wave | VIEW ON AMAZON | See Our Full Breakdown |
| CyberPower EC850LCD Ecologic UPS Battery Backup and Surge Protector |  | Best for Extra Outlets and Basic NAS Protection | Capacity: 850 VA / 510 W | Outlets: 12 total: 6 battery backup and surge-protected; 6 surge-protected | Typical runtime: 2 minutes | VIEW ON AMAZON | See Our Full Breakdown |
| APC BX1500M 1500VA/900W UPS Battery Backup and Surge Protector |  | Best for Higher-Capacity NAS Setups | Capacity: 1500 VA / 900 W | Outlets: 10 NEMA 5-15R: 5 battery backup and surge-protected; 5 surge-only | Voltage regulation: Automatic Voltage Regulation (AVR) | VIEW ON AMAZON | See Our Full Breakdown |
| GOLDENMATE 1000VA/600W LiFePO4 Pure Sine Wave UPS Battery Backup and Surge Protector |  | Best for Long-Life Battery Ownership | Capacity: 1000 VA / 600 W | Battery type: LiFePO4 | Outlets: 8 | VIEW ON AMAZON | See Our Full Breakdown |
| CyberPower CP1500PFCLCD 1500VA/1000W PFC Sinewave UPS Battery Backup and Surge Protector |  | Best Overall for a Feature-Rich NAS Setup | Capacity: 1500 VA / 1000 W | Output waveform: Sine wave | Topology: Line interactive | VIEW ON AMAZON | See Our Full Breakdown |
| APC BE850G2 850VA UPS Battery Backup and Surge Protector |  | Best for Longer Runtime at a Modest Load | Capacity: 850 VA / 450 W | Outlets: 9 NEMA 5-15R: 6 battery backup and surge-protected; 3 surge-only | Runtime: Up to 35 minutes at 100 W | VIEW ON AMAZON | See Our Full Breakdown |
| APC Back-UPS BE650G1 650VA/390W Battery Backup and Surge Protector |  | Best for Basic Protection | Capacity: 650VA / 390W | Outlets: 8 total (4 battery, 4 surge) | Waveform: Simulated Sine Wave | VIEW ON AMAZON | See Our Full Breakdown |
| CyberPower CP1500AVRLCD3 1500VA/900W LCD UPS Battery Backup |  | Best High-Capacity Value | Capacity: 1500VA / 900W | Topology: Line-Interactive with AVR | Outlets: 12 total (6 battery, 6 surge) | VIEW ON AMAZON | See Our Full Breakdown |
| WALLECUBE W150 150W DC UPS for NAS and Network Devices |  | Best for Modern NAS Ecosystems | Capacity: 150W | Switching Time: < 1 ms | Battery Type: Lithium-Ion | VIEW ON AMAZON | See Our Full Breakdown |
| APC Back-UPS BE600M1 600VA/330W Battery Backup and Surge Protector |  | Best Compact Entry-Level | Capacity: 600VA / 330W | Outlets: 7 total (5 battery, 2 surge) | Mounting: Floor or Wall | VIEW ON AMAZON | See Our Full Breakdown |
| GOLDENMATE 1000VA/800W LiFePO4 UPS Battery Backup and Surge Protector |  | Best for Long-Term Durability | Capacity: 1000VA / 800W | Waveform: Pure Sine Wave | Battery Type: LiFePO4 | VIEW ON AMAZON | See Our Full Breakdown |
| ups for nas and router | Capacity | Outlets | Warranty |
|---|---|---|---|
| APC BE425M UPS Battery Backup | 425VA / 255W | 6 total: 4 battery backup and surge protection, 2 surge protection only | 3 years |
| Vertiv Liebert PowerUPS 200 PS | 1500VA | 8 NEMA outlets | — |
| UGREEN NAS UPS US3000 | — | — | — |
| APC 1000VA/600W Pro UPS Batter | 1000VA / 600W | 8 total: 4 battery backup and 4 surge-only | 3 years |
| CyberPower ST425 425VA/260W St | 425VA / 260W | 8 NEMA 5-15R: 4 battery-backed and surge-protected, 4 surge-protected | 3 years, including the battery |
| CyberPower EC850LCD Ecologic U | 850 VA / 510 W | 12 total: 6 battery backup and surge-protected; 6 surge-protected | 3 years, including battery |
| APC BX1500M 1500VA/900W UPS Ba | 1500 VA / 900 W | 10 NEMA 5-15R: 5 battery backup and surge-protected; 5 surge-only | — |
| GOLDENMATE 1000VA/600W LiFePO4 | 1000 VA / 600 W | 8 | — |
| CyberPower CP1500PFCLCD 1500VA | 1500 VA / 1000 W | 12 NEMA 5-15R: 6 battery backup and surge-protected; 6 surge-protected | 3 years, including batteries |
| APC BE850G2 850VA UPS Battery | 850 VA / 450 W | 9 NEMA 5-15R: 6 battery backup and surge-protected; 3 surge-only | 3 years |
| APC Back-UPS BE650G1 650VA/390 | 650VA / 390W | 8 total (4 battery, 4 surge) | 3 years |
| CyberPower CP1500AVRLCD3 1500V | 1500VA / 900W | 12 total (6 battery, 6 surge) | 3 years (battery included) |
| WALLECUBE W150 150W DC UPS for | 150W | — | — |
| APC Back-UPS BE600M1 600VA/330 | 600VA / 330W | 7 total (5 battery, 2 surge) | — |
| GOLDENMATE 1000VA/800W LiFePO4 | 1000VA / 800W | 8 NEMA 5-15P | — |
More Details on Our Top Picks
APC BE425M UPS Battery Backup and Surge Protector
The APC BE425M suits a router-and-modem setup where compact size matters more than long backup time. Its 425VA/255W capacity is aimed at low-power electronics, and the four battery-backed outlets leave room for networking gear plus a small extra device. Compared with the CyberPower ST425, it has fewer total outlets but offers a stated runtime of up to 15 minutes at a 100W load; the ST425’s listed runtime is only one minute. That figure is still load-dependent, so I would not treat it as enough time to keep a NAS running through an extended outage. Wall mounting and status indicators make placement and basic monitoring straightforward. The tradeoff is clear: this is a compact lifeline for network access, not a strong choice for powering a NAS and several other devices for long.
Pros:- Four battery-backed outlets support a small networking setup.
- Compact, wall-mountable design fits tight spaces.
- Stated runtime reaches up to 15 minutes at a 100W load.
- Status indicators and audible alarms provide basic operating alerts.
Cons:- 425VA/255W capacity is intended for low-power devices, not a larger NAS setup.
- Runtime falls as connected load rises.
- Two of the six outlets provide surge protection only, not battery backup.
Best for: Router and modem owners who want a wall-mountable backup for low-power gear and a short window to ride through outages.
Not ideal for: NAS owners running multiple drives or anyone who needs long runtime, since its capacity is limited and the stated runtime is up to 15 minutes only at a 100W load.
- Capacity:425VA / 255W
- Outlets:6 total: 4 battery backup and surge protection, 2 surge protection only
- Runtime:Up to 15 minutes at 100W
- Voltage:120V
- Battery charge time:8 hours
- Dimensions:4.13 x 9.98 x 5.52 in
- Weight:5.7 lbs
- Warranty:3 years
Our verdict“Choose the BE425M for compact router-and-modem backup, but step up to the APC BX1000M if your NAS needs more power and runtime.”
Vertiv Liebert PowerUPS 200 PSA6E-1500LVT 1500VA UPS Battery Backup
The Vertiv Liebert PSA6E-1500LVT is the strongest fit here for buyers who want their NAS and network equipment backed by a higher-capacity UPS with a shutdown plan. Its 1500VA / 850W capacity, eight outlets, and automatic voltage regulation give it more headroom than the APC BE425M or CyberPower ST425. That matters when a NAS, router, and other network gear share the battery-backed system. The included management software can shut connected equipment down safely during an outage, while the user-replaceable battery helps avoid replacing the whole unit when the battery wears out. USB-A and USB-C ports add charging convenience, but they do not replace battery-backed outlets. The main drawback for a NAS buyer is the missing runtime figure: capacity alone cannot tell me how long a particular setup will stay online. Warranty information also conflicts, listing two years in the description and three elsewhere.
Pros:- 1500VA capacity and 850W maximum power provide more headroom than the 425VA models.
- Automatic voltage regulation helps manage power fluctuations.
- Management software supports safe shutdown of connected equipment.
- User-replaceable battery and runtime LED indicators aid upkeep and monitoring.
Cons:- The product information does not state backup runtime.
- Warranty duration is inconsistent in the supplied details.
- USB charging ports do not add battery-backed AC outlets.
Best for: NAS owners with several network devices who want automatic voltage regulation, replaceable batteries, and software-assisted shutdown.
Not ideal for: Buyers who need a verified runtime estimate before choosing, or who want consistent warranty terms in the supplied product information.
- Model:PSA6E-1500LVT
- Capacity:1500VA
- Maximum power:850W
- Input voltage:120V
- Output voltage:120V AC
- Outlets:8 NEMA outlets
- Ports:USB-A and USB-C
- Battery:User-replaceable
- Dimensions:15.75 x 5.71 x 7.68 in
Our verdict“Pick the Vertiv if you want a managed shutdown path for a higher-load NAS setup and can confirm runtime and warranty details before buying.”
UGREEN NAS UPS US3000, 120W DC and 12000mAh Battery Backup
The UGREEN US3000 takes a different approach from the AC UPS units in this list: it is a compact 120W DC backup designed for select UGREEN NAS models. Its app-based reminder system can pause or shut down a compatible NAS, which addresses a key NAS concern—avoiding an abrupt power loss—without adding a conventional tower UPS to the setup. At 441g and less than 1.5 inches thick, it is also far smaller than the APC BX1000M or Vertiv Liebert unit. The tradeoff is compatibility: the listed support covers specific 2-bay and 4-bay UGREEN models and excludes the DXP6800/8800 series. Its stated runtime is about 10 minutes, so I would view it as a short outage buffer for safe shutdown, not ongoing power for the router as well. Buyers with other NAS brands should choose a standard AC UPS instead.
Pros:- Purpose-built 120W DC output for listed compatible UGREEN NAS models.
- App reminders can pause or shut down the NAS during an outage.
- Compact, lightweight design takes little space beside a NAS.
- Includes surge, over-charge, over-current, and short-circuit protection.
Cons:- Compatibility is limited to the listed UGREEN NAS models.
- About 10 minutes of runtime offers only a short window.
- DC output is not a general-purpose replacement for an AC UPS serving a router and other devices.
Best for: Owners of listed compatible UGREEN NAS models who want a compact DC backup and app-assisted pause or shutdown.
Not ideal for: Owners of non-listed NAS models, including DXP6800/8800 series users, or anyone seeking one UPS to back up both a NAS and router.
- Compatible devices:DXP2800, DXP4300 Plus, DXP4800, DXP4800 Plus, DXP480T Plus, DH2300, DH4300 Plus
- Output:120W DC
- Battery capacity:12000mAh
- Runtime:Up to about 10 minutes
- Connector:USB
- Dimensions:8.07 x 5.31 x 1.46 in
- Weight:441g
- Form factor:Compact
Our verdict“Choose the US3000 if you own a listed UGREEN NAS and want a small backup focused on safe shutdown rather than broad device coverage.”
APC 1000VA/600W Pro UPS Battery Backup with AVR, BX1000M
For a typical home NAS-and-router combination, the APC BX1000M offers the clearest balance of capacity, monitoring, and useful stated runtime. Its 1000VA / 600W rating gives it more room than the BE425M, while automatic voltage regulation can handle some power fluctuations without switching to battery. APC lists more than 42 minutes at a 100W load, giving a low-power network setup a meaningful window for a controlled shutdown or a short outage. The LCD shows load, battery, runtime, and power status, which makes it easier to judge what is connected than on the CyberPower ST425’s status light. Four outlets are battery-backed; the other four are surge-only, so outlet count alone can overstate how much equipment stays on during an outage. Its lead-acid battery is replaceable, though the replacement is sold separately.
Pros:- 1000VA/600W capacity offers more headroom than the compact 425VA models.
- More than 42 minutes of stated runtime at a 100W load.
- AVR and LCD provide voltage support and useful status information.
- Replaceable battery can extend the UPS’s service life.
Cons:- Only four of the eight outlets provide battery backup.
- Replacement battery is sold separately.
- Runtime depends on the connected load and may be shorter with a NAS and additional devices.
Best for: Home NAS owners who want a moderate-capacity UPS with a display, voltage regulation, and a stated runtime for a low-power load.
Not ideal for: Buyers who need every connected device battery-backed or who want to avoid separately sourcing a replacement battery.
- Capacity:1000VA / 600W
- Outlets:8 total: 4 battery backup and 4 surge-only
- Runtime:Over 42 minutes at 100W load
- Input/output voltage:120V / 120V
- Battery type:Lead acid, user-replaceable
- Battery charge time:8 hours
- Form factor:Tower
- Features:AVR, LCD display, coaxial and Ethernet surge protection
- Warranty:3 years
Our verdict“Choose the BX1000M for a balanced NAS-and-router setup when its four battery-backed outlets and load-dependent runtime fit your equipment.”
CyberPower ST425 425VA/260W Standby UPS Battery Backup and Surge Protector
The CyberPower ST425 is a compact standby UPS with eight outlets, but its outlet split matters more than the headline count for a NAS-and-router setup: only four outlets have battery backup, while the other four provide surge protection alone. That makes it useful for placing a router, modem, and a few low-power devices on battery while keeping additional peripherals surge-protected. Compared with the APC BE425M, it has two more total outlets and a slightly higher 260W capacity, but the supplied runtime is just one minute, versus the APC’s stated up-to-15-minute figure at 100W. I would not choose it when keeping a NAS powered long enough for a safe shutdown is the main goal. Its compact build, transformer-spaced outlets, and battery-inclusive warranty suit simple setups, but the short listed runtime limits its appeal as NAS protection.
Pros:- Eight outlets provide four battery-backed and four surge-only connections.
- 260W maximum output is slightly higher than the APC BE425M’s 255W rating.
- Compact design includes transformer-spaced outlets.
- Three-year warranty includes the battery.
Cons:- Listed runtime is only one minute.
- Only half of the outlets provide battery backup.
- Simulated sine wave output and 260W capacity limit suitability for more demanding equipment.
Best for: Owners of a small router-and-modem setup who want several surge-protected outlets and only need brief battery coverage.
Not ideal for: NAS owners who need time for a controlled shutdown or anyone expecting a longer outage buffer.
- Model:ST425
- Capacity:425VA / 260W
- Output waveform:Simulated sine wave
- Outlets:8 NEMA 5-15R: 4 battery-backed and surge-protected, 4 surge-protected
- Input/output voltage:120V / 120V
- Runtime:1 minute
- Power cord:5 ft, right-angle NEMA 5-15P plug
- Warranty:3 years, including the battery
- Safety certification:UL certified
Our verdict“Choose the ST425 for compact outlet coverage and basic router backup, not when your NAS needs a reliable shutdown window.”
CyberPower EC850LCD Ecologic UPS Battery Backup and Surge Protector
The EC850LCD suits a compact NAS-and-router setup that needs plenty of connection points for network gear and nearby peripherals. Its 12 outlets give you room to separate battery-backed equipment from surge-only devices, while the LCD makes battery and power status easier to check than on a basic indicator-light unit. Compared with the APC BE850G2, it offers more total outlets and ECO-controlled outlets, but the APC lists up to 35 minutes at a 100W load; the EC850LCD’s listed typical runtime is only two minutes, so I would treat it as a brief bridge to graceful shutdown, not extended uptime. Its simulated sine wave output may also be less suitable for equipment that calls for pure sine wave. The three-year warranty includes the battery, a useful ownership detail for a modest backup system.
Pros:- Twelve outlets make it easier to connect a NAS, router, modem, and peripherals.
- LCD reports battery and power conditions at a glance.
- ECO-controlled outlets can cut power to peripherals when a connected computer is off or asleep.
- Three-year warranty includes the battery.
Cons:- Listed typical runtime is only two minutes, so it offers little margin for extended outages.
- Simulated sine wave output may not suit equipment that requires a pure sine wave.
- Only six outlets provide battery backup; the remaining outlets are surge-only.
Best for: NAS and router owners who need many outlets for a small network corner and mainly want time to ride through brief interruptions or shut equipment down safely.
Not ideal for: Buyers who need sustained runtime, pure sine wave output, or a UPS sized for a high-load NAS; its listed typical runtime is two minutes and its waveform is simulated sine wave.
- Capacity:850 VA / 510 W
- Outlets:12 total: 6 battery backup and surge-protected; 6 surge-protected
- Typical runtime:2 minutes
- Output waveform:Simulated sine wave
- Battery:Sealed lead acid
- Display:Multifunction LCD
- Input:120 V; NEMA 5-15P right-angle plug with 45-degree offset
- Warranty:3 years, including battery
Our verdict“Choose the EC850LCD for a multi-device network setup that values outlet count and status visibility over long backup runtime.”
APC BX1500M 1500VA/900W UPS Battery Backup and Surge Protector
For a NAS with several drives plus a router, modem, and switch, the BX1500M’s 900W capacity gives more load headroom than the 850VA CyberPower EC850LCD or APC BE850G2. That does not translate into a guaranteed runtime—the actual backup window depends on connected load—but it gives buyers more room to attach multiple devices without nearing the unit’s stated wattage limit. Its Automatic Voltage Regulation corrects voltage fluctuations without using battery power, which can preserve reserve for an outage, and the replaceable battery supports longer-term maintenance. The tradeoff is that only five of its ten outlets provide battery backup, and its stepped-approximation waveform is less suited than the CyberPower CP1500PFCLCD’s sine wave to equipment sensitive to waveform quality. I’d favor this APC when capacity and serviceability matter more than pure sine wave output.
Pros:- 900W capacity offers more load headroom than the 850VA options in this batch.
- AVR corrects voltage fluctuations without drawing on the battery.
- User-replaceable battery supports maintenance instead of replacing the whole UPS.
- LCD reports runtime, load, battery condition, and input voltage.
Cons:- Only five of ten outlets provide battery backup.
- Stepped-approximation output may not suit equipment sensitive to waveform quality.
- Not intended for high-demand appliances or whole-home backup.
Best for: Owners of multi-drive NAS systems who also want to back up a router, modem, and switch, and who value AVR and a replaceable battery.
Not ideal for: Buyers with equipment that specifies pure sine wave output, or anyone expecting long runtime at a heavy load; this model uses stepped approximation and runtime varies with load.
- Capacity:1500 VA / 900 W
- Outlets:10 NEMA 5-15R: 5 battery backup and surge-protected; 5 surge-only
- Voltage regulation:Automatic Voltage Regulation (AVR)
- Output waveform:Stepped approximation to a sine wave
- Battery:User-replaceable; APC APCRBC124
- Display:LCD status panel
- Data-line protection:Coaxial and Ethernet surge protection
- Efficiency:92%+; ENERGY STAR certified
Our verdict“Pick the BX1500M when your NAS and network stack need greater wattage headroom and replaceable-battery support, rather than pure sine wave output.”
GOLDENMATE 1000VA/600W LiFePO4 Pure Sine Wave UPS Battery Backup and Surge Protector
The GOLDENMATE stands apart from the lead-acid APC and CyberPower models here by using a LiFePO4 battery rated for more than 5,000 charge cycles. That long cycle rating may appeal to NAS owners who expect to keep a UPS in service for years and want to limit battery replacement. Its pure sine wave output is another useful distinction from the APC BX1500M’s stepped approximation, though this unit has less capacity than that APC and the CyberPower CP1500PFCLCD. Eight outlets give a small network setup some expansion room, and USB communication can support automatic shutdown on compatible systems. The compromises are its 600W ceiling and a built-in fan that can run during heavy battery use. It also targets standard 110V household power, so buyers should check compatibility with their electrical setup before choosing it.
Pros:- LiFePO4 battery is rated for over 5,000 charge cycles.
- Pure sine wave output is a useful alternative to stepped or simulated sine wave models.
- Eight outlets support a compact NAS and network setup.
- USB communication supports automatic shutdown on compatible systems.
Cons:- 600W capacity is below the 900W APC BX1500M and 1000W CyberPower CP1500PFCLCD.
- Cooling fan can activate during heavy battery use.
- Designed for standard 110V household power, limiting suitability outside compatible setups.
Best for: NAS owners prioritizing a long-cycle-life battery and pure sine wave output for a modest-load NAS, router, and networking accessories.
Not ideal for: Buyers running a higher-wattage NAS stack or seeking a quiet UPS under heavy battery use; capacity is 600W and the cooling fan can activate.
- Capacity:1000 VA / 600 W
- Battery type:LiFePO4
- Outlets:8
- Input voltage:90–140 V AC
- Output voltage:120 V
- Battery charge time:6 hours
- Dimensions:13 × 4.1 × 9.8 inches
Our verdict“Choose the GOLDENMATE if long battery cycle life and pure sine wave output matter more than maximum capacity or silent operation.”
CyberPower CP1500PFCLCD 1500VA/1000W PFC Sinewave UPS Battery Backup and Surge Protector
The CP1500PFCLCD is the strongest all-around fit here for buyers who want to protect a NAS alongside a router, modem, and other network gear. Its 1000W capacity is the highest among these five products, while sine wave output supports active PFC power supplies more directly than the stepped waveform on the APC BX1500M. AVR helps handle minor voltage swings without using battery reserve, and the tilting color LCD makes load and power status easier to read. The 12 outlets and USB-A/USB-C ports add flexibility, but only six outlets are battery-backed, so I’d reserve those for the NAS and essential network devices. Compared with the GOLDENMATE, this CyberPower offers more wattage and a three-year battery warranty, while the GOLDENMATE’s LiFePO4 battery has a much longer stated cycle rating. Its larger, heavier chassis is another practical tradeoff.
Pros:- 1000W capacity gives it the most load headroom among the five products in this batch.
- Sine wave output supports active PFC and conventional power supplies.
- AVR corrects minor voltage fluctuations without switching to battery power.
- Tilting color LCD, USB-A, and USB-C add useful monitoring and connection options.
Cons:- Only six of the twelve outlets provide battery backup.
- At 24.9 pounds, it is heavier than the compact 850VA models.
- Requires two 12V batteries.
Best for: NAS owners with active-PFC equipment who want high capacity, pure sine wave output, AVR, and clear status monitoring in one UPS.
Not ideal for: Buyers who need battery backup at every outlet, a lightweight unit, or a long-cycle-life LiFePO4 battery; only six outlets are battery-backed and the unit weighs 24.9 pounds.
- Capacity:1500 VA / 1000 W
- Output waveform:Sine wave
- Topology:Line interactive
- Outlets:12 NEMA 5-15R: 6 battery backup and surge-protected; 6 surge-protected
- USB ports:1 Type-A and 1 Type-C
- Voltage regulation:Automatic Voltage Regulation (AVR)
- Display:Tilting color LCD, up to 22 degrees
- Warranty:3 years, including batteries
Our verdict“For a higher-load NAS and network stack, the CP1500PFCLCD is the most capable pick here if six backed-up outlets are enough.”
APC BE850G2 850VA UPS Battery Backup and Surge Protector
The BE850G2 is the more compelling choice than the CyberPower EC850LCD when a modest NAS-and-router load needs time to stay online during a short outage: APC lists up to 35 minutes at 100W, while the CyberPower’s listed typical runtime is two minutes. That figure is tied to a specific load, so a NAS with several drives and extra network equipment will run for less time. Six battery-backed outlets let you prioritize the NAS, router, and modem, while three surge-only outlets keep less critical accessories connected without using backup capacity. The user-replaceable, hot-swappable battery is a practical maintenance advantage, but the replacement is sold separately. Its 850VA/450W rating leaves less headroom than the APC BX1500M, and its two USB-A ports share a modest 2.4A output.
Pros:- Lists up to 35 minutes of runtime at a 100W load.
- Six battery-backed outlets let buyers prioritize essential NAS and network equipment.
- User-replaceable, hot-swappable battery supports maintenance.
- Tower can be floor- or wall-mounted and includes LED status indicators.
Cons:- 450W capacity offers less headroom than the APC BX1500M and CyberPower CP1500PFCLCD.
- Replacement battery is sold separately.
- Two USB-A ports share a 2.4A output.
Best for: Home NAS owners with a modest power draw who want a stated runtime reference, replaceable battery, and enough backed-up outlets for essential network gear.
Not ideal for: Users with a high-load or multi-device NAS stack, or those wanting more capacity and waveform details; its rating is 450W and the provided data does not specify output waveform.
- Capacity:850 VA / 450 W
- Outlets:9 NEMA 5-15R: 6 battery backup and surge-protected; 3 surge-only
- Runtime:Up to 35 minutes at 100 W
- Battery:User-replaceable, hot-swappable; RBC17 replacement sold separately
- USB ports:2 USB-A, 5 V / 2.4 A shared
- Input voltage:120 V
- Dimensions:12.87 × 4.13 × 5.47 inches
- Warranty:3 years
Our verdict“Choose the BE850G2 for a modest NAS and router setup where the listed low-load runtime and replaceable battery matter more than higher wattage.”
APC Back-UPS BE650G1 650VA/390W Battery Backup and Surge Protector
This unit stands out for its balanced outlet configuration, offering four battery-backed and four surge-only ports. Compared to the APC BE600M1, it provides slightly more capacity (390W vs 330W) while maintaining a compact footprint. It is designed for users who need a straightforward shutdown solution rather than extended runtime. The user-replaceable battery extends the product’s life, though you must purchase replacements separately. While it lacks the advanced LCD monitoring found in the CyberPower CP1500AVRLCD3, its simplicity makes it a reliable entry point for protecting a NAS and router combination. The audible alarms and LED indicators provide immediate feedback during power events, ensuring you are never caught unaware. However, the simulated sine wave output may not suit sensitive electronics requiring pure sine power.
Pros:- Balanced 4 battery / 4 surge outlet layout
- User-replaceable battery extends lifespan
- Includes data-line surge protection
Cons:- Replacement battery sold separately
- Simulated sine wave output
- No LCD display for detailed status
Best for: Home users with a single NAS and router needing a simple, affordable shutdown solution.
Not ideal for: Users with sensitive audio/video equipment or servers requiring pure sine wave power.
- Capacity:650VA / 390W
- Outlets:8 total (4 battery, 4 surge)
- Waveform:Simulated Sine Wave
- Warranty:3 years
- Weight:13.6 pounds
- Battery Life:~3 years average
- Protection:$75,000 equipment guarantee
Our verdict“This is a solid, no-frills choice for protecting essential network gear with basic shutdown capabilities.”
CyberPower CP1500AVRLCD3 1500VA/900W LCD UPS Battery Backup
This model offers a significant step up in capacity compared to the APC BE650G1, delivering 900W of power with Automatic Voltage Regulation (AVR). AVR corrects minor fluctuations without draining the battery, which is critical for preserving battery life in areas with unstable grid power. The color LCD panel provides real-time visibility into load and battery status, a feature absent in lower-tier APC models. While it uses a simulated sine wave, like many competitors, the 12 outlets and USB charging ports make it versatile for mixed setups. The three-year warranty covering the battery is a strong differentiator against competitors who sell batteries separately. However, the listed runtime is short, so it is strictly a shutdown tool, not a generator substitute.
Pros:- AVR stabilizes voltage without battery use
- Detailed color LCD status monitoring
- 12 outlets plus USB-A and USB-C ports
- 3-year warranty includes battery
Cons:- Simulated sine wave output
- Short runtime (approx. 3 mins at full load)
- Bulky mini-tower form factor
Best for: Home offices or small businesses needing high outlet count and voltage stabilization.
Not ideal for: Users requiring pure sine wave output for sensitive medical or audio equipment.
- Capacity:1500VA / 900W
- Topology:Line-Interactive with AVR
- Outlets:12 total (6 battery, 6 surge)
- Display:Color LCD
- Waveform:Simulated Sine Wave
- Warranty:3 years (battery included)
- USB Ports:1 USB-A, 1 USB-C
Our verdict“An excellent value for those who need many outlets and voltage correction rather than pure sine precision.”
WALLECUBE W150 150W DC UPS for NAS and Network Devices
Unlike the AC-based CyberPower CP1500AVRLCD3, this unit is a DC UPS designed specifically for modern low-power devices like Synology or Ugreen NAS units. Its sub-1ms switching time ensures zero downtime for connected devices, a critical feature for maintaining data integrity during brief blips. The fanless metal enclosure makes it silent and compact, fitting easily behind desks or in server racks. App monitoring and Wake-on-LAN support offer remote management capabilities that traditional AC UPS units lack. However, compatibility is strictly limited to supported devices; you cannot plug in a standard desktop PC or monitor. The Lithium-Ion battery is lighter than lead-acid alternatives, but the 2-hour runtime is fixed and non-expandable.
Pros:- Sub-1ms switching for zero downtime
- Fanless, silent operation
- App monitoring and Wake-on-LAN support
- Compact, lightweight lithium-ion design
Cons:- Limited device compatibility (DC only)
- Fixed 2-hour runtime
- Cannot power standard AC electronics
Best for: Owners of compatible NAS, routers, and mini PCs who prioritize silence and remote management.
Not ideal for: Users needing to protect standard AC-powered desktop computers or monitors.
- Capacity:150W
- Switching Time:< 1 ms
- Battery Type:Lithium-Ion
- Runtime:Up to 2 hours
- Connectivity:App monitoring, WoL
- Weight:780 g
- Noise Level:Silent (Fanless)
Our verdict“The ideal choice for specific modern NAS setups where silence and smart integration matter more than versatility.”
APC Back-UPS BE600M1 600VA/330W Battery Backup and Surge Protector
This is the smaller sibling to the APC BE650G1, offering a slightly lower capacity (330W) in a more compact chassis. It features five battery-backed outlets, which is more than the four provided by its larger counterpart, making it efficient for setups with multiple small chargers or switches. The floor- or wall-mountable design offers flexibility in tight spaces where the BE650G1 might feel bulky. Like other APC Back-UPS models, it uses a simulated sine wave and provides a USB charging port. While it lacks the advanced LCD of the CyberPower CP1500AVRLCD3, its simplicity and lower weight make it easier to install. The battery is replaceable, but like most in this tier, it is sold separately, adding to long-term maintenance costs.
Pros:- 5 battery-backed outlets
- Compact and wall-mountable
- Built-in USB charging port
- Lightweight at 7.5 pounds
Cons:- Lower capacity (330W) than larger APC models
- Replacement battery sold separately
- No LCD display
Best for: Users with limited desk space who need to protect multiple small devices with battery backup.
Not ideal for: Power users with high-draw gaming PCs or multiple large monitors.
- Capacity:600VA / 330W
- Outlets:7 total (5 battery, 2 surge)
- Mounting:Floor or Wall
- USB Port:1.5A Type-A
- Weight:7.5 pounds
- Waveform:Simulated Sine Wave
- Power Cord:5 feet
Our verdict“A space-saving solution that maximizes battery-backed outlets for small, low-draw network gear.”
GOLDENMATE 1000VA/800W LiFePO4 UPS Battery Backup and Surge Protector
This unit distinguishes itself with a LiFePO4 battery rated for over 5,000 cycles, far exceeding the lifespan of traditional lead-acid batteries found in the APC BE650G1 or CyberPower CP1500AVRLCD3. It delivers a pure sine wave output, making it safe for sensitive electronics like high-end NAS units and audio equipment that might struggle with simulated waves. The 800W capacity strikes a balance between the entry-level APCs and the massive CyberPower tower. An LCD panel provides status monitoring, and the buzzer mute function is a welcome feature for quiet home offices. However, the active cooling fan may introduce noise during heavy load or charging, unlike the fanless WALLECUBE W150. It is a premium choice for longevity and power quality.
Pros:- Pure sine wave output
- LiFePO4 battery with 5,000+ cycles
- LCD panel with mute function
- 8 battery-backed outlets
Cons:- Cooling fan generates noise
- Higher upfront cost than lead-acid units
- Larger tower footprint
Best for: Tech enthusiasts who want pure sine wave protection and a battery that lasts for years.
Not ideal for: Budget-conscious buyers who only need basic surge protection for a router.
- Capacity:1000VA / 800W
- Waveform:Pure Sine Wave
- Battery Type:LiFePO4
- Charge Cycles:> 5,000
- Outlets:8 NEMA 5-15P
- Display:LCD Panel
- Noise Level:< 50 dB
Our verdict“A durable, high-quality option for users who prioritize pure sine wave safety and battery longevity.”
How We Picked
I evaluated these 15 UPS units based on their suitability for the specific power profiles of NAS devices and routers. The primary criteria included waveform type (pure vs. simulated sine wave), as modern NAS units often use Active PFC power supplies that are sensitive to waveform quality. I also prioritized units with integrated network surge protection, as protecting the router’s WAN port is just as important as protecting its power supply. Physical footprint and noise levels were considered, since these devices often sit in living spaces or home offices where fan noise is undesirable. Finally, I looked at software compatibility, ensuring the selected models work with standard operating systems for automatic graceful shutdowns.
Factors to Consider When Choosing Ups For Nas And Router
Choosing the wrong UPS can lead to data corruption or equipment damage. This guide breaks down the technical and practical factors that determine which unit fits your specific network setup.
Pure Sine Wave vs. Simulated Sine Wave
Most budget UPS units use a simulated sine wave, which is a stepped approximation of clean power. While adequate for basic routers and older electronics, this waveform can cause issues with modern NAS units that use Active Power Factor Correction (PFC) power supplies. These power supplies may overheat, produce audible humming, or fail to switch over cleanly during a power outage. If your NAS manual specifies ‘pure sine wave’ compatibility, you must choose a unit like the CyberPower CP1500PFCLCD or APC models with similar specs. Ignoring this distinction is the most common mistake buyers make, leading to unexpected reboots during brief power flickers.
AC vs. DC Input Efficiency
Traditional UPS units take AC power from the wall, convert it to DC to charge the battery, and then invert it back to AC for your devices. This double conversion introduces inefficiency and heat. For routers and many small NAS devices that run on DC power (e.g., 12V), a DC UPS like the UGREEN US3000 or WALLECUBE W150 is more efficient. These units charge and discharge in DC, bypassing the inverter stage. This results in longer runtime for the same battery capacity and less heat generation. However, DC units are less versatile if you also need to power other AC devices like a desktop PC or monitor.
Network Surge Protection Importance
A UPS protects against power outages, but surge protection guards against voltage spikes that can fry your router’s WAN port. Not all UPS units include RJ45 or RJ11 surge protection ports. If your router connects via Ethernet or fiber to a modem outside your home, a lightning strike nearby can send a surge through the data line, bypassing the power surge protection entirely. Always verify that your chosen UPS includes data line protection. Models like the APC BE425M and CyberPower ST425 explicitly advertise this feature, whereas some ultra-compact or industrial-focused units may omit it to save costs.
Runtime and Load Calculation
Marketing runtime figures are often based on zero load or minimal load, which is unrealistic for a NAS. A typical 2-bay NAS idles at 15-20 watts, and a router uses 5-10 watts. You need to calculate your actual idle load and compare it to the UPS’s wattage rating. For example, a 425VA/260W unit might claim 30 minutes of runtime, but with a 30W real-world load, you might only get 10-15 minutes. This is usually sufficient for a graceful shutdown but not for continuing work. If you need to keep the NAS running for hours during an outage, you need a much larger unit or an external battery pack, which is rare in consumer-grade devices.
Software Integration and Graceful Shutdown
A UPS is only as good as its ability to tell your NAS to shut down safely. Without this communication, the NAS will simply crash when the battery dies, risking data corruption. Most reputable brands like APC, CyberPower, and Vertiv provide USB or network-based software that monitors battery status and triggers a shutdown when the battery level drops below a certain threshold. Before buying, check if the manufacturer offers software for your specific NAS operating system (e.g., Synology DSM, QNAP QTS, TrueNAS). Some generic or lesser-known brands lack robust driver support, forcing you to rely on third-party tools like NUT (Network UPS Tools), which can be complex to configure for beginners.
Frequently Asked Questions
Do I really need a UPS for my router and NAS if I live in an area with stable power?
Yes, because power outages are not the only threat. Power surges, brownouts, and brief flickers are far more common and can damage sensitive electronics or corrupt data. A UPS conditions the power, smoothing out these irregularities before they reach your NAS and router. Even a stable grid can have momentary drops during storms or grid switching. The cost of a basic UPS is negligible compared to the cost of recovering from a failed drive or replacing a fried router. Think of it as insurance against the unpredictable nature of electrical infrastructure.
Can I use a standard computer UPS for my NAS, or do I need a NAS-specific model?
You can use a standard computer UPS for a NAS, but you must ensure it supports the necessary software integration for graceful shutdowns. A ‘NAS-specific’ label is often marketing jargon for a UPS that includes USB connectivity and compatible drivers. The hardware itself is usually identical to a standard UPS. The critical factor is whether the manufacturer provides software for your NAS OS. If you use a generic UPS without official NAS support, you may need to configure Network UPS Tools (NUT) manually, which is feasible for advanced users but cumbersome for others. Always verify software compatibility before purchasing.
Why do some UPS units make a humming noise, and is it dangerous?
The humming noise usually comes from the inverter coil vibrating as it switches between simulated sine wave steps. It is not dangerous for the UPS itself, but it indicates that the output is not pure sine wave. This noise can be annoying in quiet home offices. More importantly, some NAS power supplies may also hum or buzz when fed by a simulated sine wave, which can be a sign of electrical stress. If you hear unusual noises from your NAS or router when on battery, it is a strong indicator that you need a pure sine wave UPS to provide cleaner power and protect your hardware.
How long do UPS batteries last, and can I replace them easily?
Most traditional lead-acid UPS batteries last 3-5 years, depending on usage and temperature. LiFePO4 batteries, found in newer units like the GOLDENMATE models, can last 10+ years. Battery replacement varies by model; some have user-replaceable cassettes that require no tools, while others require opening the case. Check the manufacturer’s support page for replacement battery availability before buying. If a brand does not sell replacement batteries, the entire unit becomes e-waste once the battery dies. For long-term value, choose a brand with a proven track record of selling replacement parts.
Is it better to put the modem, router, and NAS on the same UPS or separate units?
It is generally better to put the modem and router on the same UPS as the NAS if they share the same power circuit. This ensures that if the power goes out, your internet connection remains available for the duration of the UPS battery, allowing you to access the NAS remotely for a short period. However, if your modem is cable-based, note that internet service often goes down within minutes of a power outage regardless of local power, as cell towers or local exchanges may lose power. Separating them is only useful if you have a separate power source for your internet modem or if you want to isolate the NAS from potential power fluctuations caused by other devices.
Conclusion
Selecting the right power backup depends on your specific hardware and technical comfort level. For most home users with a Synology or QNAP NAS, the APC BE425M offers the best balance of price, compact size, and reliable protection. If you own high-end audio equipment or a NAS with sensitive power supplies, the CyberPower CP1500PFCLCD is the Best Premium choice due to its pure sine wave output. For those running low-voltage routers and wanting maximum efficiency, the UGREEN NAS UPS US3000 is the Best for Specific Needs pick, offering DC power that bypasses inefficient AC conversion. Beginners on a tight budget should consider the CyberPower ST425 as a Best Value entry point, provided they verify their NAS accepts simulated sine wave power. Always prioritize software compatibility and waveform type over raw VA ratings to protect your data effectively.
