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If you’re aiming for the fastest, most reliable internet connection, gigabit cable modems are essential. The right model can support ultra-fast speeds, but choosing between options involves tradeoffs like price, compatibility, and features. The Netgear CM1000 stands out as the best overall for balance of performance and price, while the ARRIS SB8200 offers a reliable, proven choice for high-speed needs. Meanwhile, some models include built-in WiFi, which can simplify setups but usually come at a higher cost. Continue reading to see how these modems compare and find the best fit for your home setup.

15
compared
4
brands
3
technologys
Which gigabit cable modem should you buy?
★ Top Pick
Netgear CM1000 Ultra-High Spee
Best Overall for High-Speed Reliable Connections
Supports internet speeds up to 1Gbps for fast, smooth streaming and gaming
See on Amazon →
Gamers and streamers who want the latest WiFi tech combined with gigabit internet speeds
NETGEAR Nighthawk DOCSIS 3.1 M
Supports very high speeds up to 2Gbps download, ideal for demanding tasks
View on Amazon →
Home users needing a reliable, high-speed wired connection and existing WiFi setup
ARRIS SB8200-RB Cable Modem
Supports high internet speeds up to 1Gbps
View on Amazon →
Power users with multi-gig internet plans seeking a straightforward, high-capacity modem
Hitron CODA56 DOCSIS 3.1 Cable
Supports multi-gig internet speeds up to 2.5 Gbps
View on Amazon →
Home users who need a high-speed, manageable cable modem with future-proof Ethernet ports
NETGEAR Nighthawk DOCSIS 3.1 M
Supports multi-gig speeds up to 2.5Gbps
View on Amazon →
Pros & cons at a glance
Netgear CM1000 Ultra-High Spee
✓ Supports internet speeds up to 1Gbps for fast, smooth streaming and gaming
✗ Limited to a single Ethernet port, restricting wired device connections
NETGEAR Nighthawk DOCSIS 3.1 M
✓ Supports very high speeds up to 2Gbps download, ideal for demanding tasks
✗ Limited to US internet providers, excluding international options
ARRIS SB8200-RB Cable Modem
✓ Supports high internet speeds up to 1Gbps
✗ No built-in Wi-Fi, requiring a separate router
Hitron CODA56 DOCSIS 3.1 Cable
✓ Supports multi-gig internet speeds up to 2.5 Gbps
✗ Requires a separate WiFi router for wireless connectivity
NETGEAR Nighthawk DOCSIS 3.1 M
✓ Supports multi-gig speeds up to 2.5Gbps
✗ Requires a separate WiFi router for wireless connectivity
Hitron CODA56 Cable Internet M
✓ Supports speeds up to 2.5 Gbps, ideal for premium cable packages
✗ Requires a separate WiFi router for wireless connectivity
ARRIS SURFboard SB8200 DOCSIS
✓ Supports speeds up to 2 Gbps, great for high-bandwidth activities
✗ Requires a separate WiFi router for wireless connectivity
Hitron CODA DOCSIS 3.1 Modem
✓ Supports internet speeds up to 1 Gbps, suitable for most households
✗ Requires a separate WiFi router for wireless access
ARRIS Surfboard S33 DOCSIS 3.1
✓ Supports speeds up to 2.5 Gbps, ideal for future upgrades
✗ Requires a separate WiFi router for wireless coverage
ARRIS Surfboard G34 DOCSIS 3.1
✓ Supports speeds up to 2.5 Gbps with a Wi-Fi 6 router for better wireless coverage
✗ Limited to cable internet plans, not compatible with fiber or DSL

Complete the kit

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Key Takeaways

  • The best gigabit cable modems combine high-speed performance with broad provider compatibility.
  • Models with DOCSIS 3.1 generally outperform those with DOCSIS 3.0, but often come at a higher price.
  • Built-in WiFi increases convenience but adds to the cost, making separate router setups more flexible and sometimes cheaper.
  • Compatibility with major US cable providers like Xfinity, Spectrum, and Cox is essential for hassle-free installation.
  • Higher-end models often feature multi-gig ports and advanced technology, but may not be necessary for all users.
2
NETGEAR Nighthawk DOCSIS 3.1 M
Best for Ultra-Fast Gaming and Streaming with WiFi 6E Support
1
Netgear CM1000 Ultra-High Spee
Best Overall for High-Speed Reliable Connections
3
ARRIS SB8200-RB Cable Modem
Best for High-Speed Wired Connections with Proven Reliability

Our Top Gigabit Cable Modems Picks

Netgear CM1000 Ultra-High Speed DOCSIS 3.1 Cable ModemNetgear CM1000 Ultra-High Speed DOCSIS 3.1 Cable ModemBest Overall for High-Speed Reliable ConnectionsCompatibility: All major cable internet providersMax Internet Speed: 1GbpsCertified Providers: Spectrum, Cox, XfinityVIEW ON AMAZONSee Our Full Breakdown
NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Cable Modem (CM2500-1AZNAS)NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Cable Modem (CM2500-1AZNAS)Best for Ultra-Fast Gaming and Streaming with WiFi 6E SupportMax Download Speed: 2GbpsMax Upload Speed: 1GbpsCompatibility: All major US providers except Xfinity VoiceVIEW ON AMAZONSee Our Full Breakdown
ARRIS SB8200-RB Cable Modem – DOCSIS 3.1, 32×8 Gigabit, Approved for Major US Cable ProvidersARRIS SB8200-RB Cable Modem - DOCSIS 3.1, 32x8 Gigabit, Approved for Major US Cable ProvidersBest for High-Speed Wired Connections with Proven ReliabilityCompatibility: Cox, Spectrum, Xfinity, othersMax Internet Speed: 1GbpsChannels: 32×8 DOCSIS 3.0, 2 OFDM DOCSIS 3.1 channelsVIEW ON AMAZONSee Our Full Breakdown
Hitron CODA56 DOCSIS 3.1 Cable Modem – 2.5 Gbps, Ethernet Port, Compatible with Xfinity, Spectrum, CoxHitron CODA56 DOCSIS 3.1 Cable Modem - 2.5 Gbps, Ethernet Port, Compatible with Xfinity, Spectrum, CoxBest for Multi-Gig Internet, No WiFi NeededMax Speed: 2.5 GbpsCompatibility: Xfinity, Spectrum, CoxEthernet Ports: 1VIEW ON AMAZONSee Our Full Breakdown
NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Cable Modem (CM3000-1AZNAS)NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Cable Modem (CM3000-1AZNAS)Best for Multi-Gig Speeds with Advanced ManagementMax Speed: up to 2.5GbpsCompatibility: Xfinity, Spectrum, Cox, US providersEthernet Ports: 1x 2.5 Gig, 2x 1 GigVIEW ON AMAZONSee Our Full Breakdown
Hitron CODA56 Cable Internet Modem DOCSIS 3.1, 2.5 Gbps, No WiFi, Compatible with Xfinity, Spectrum, CoxHitron CODA56 Cable Internet Modem DOCSIS 3.1, 2.5 Gbps, No WiFi, Compatible with Xfinity, Spectrum, CoxBest for Ultra-High-Speed Cable PlansTechnology: DOCSIS 3.1Max Speed: 2.5 GbpsEthernet Port: 2.5 GbpsVIEW ON AMAZONSee Our Full Breakdown
ARRIS SURFboard SB8200 DOCSIS 3.1 Cable ModemARRIS SURFboard SB8200 DOCSIS 3.1 Cable ModemBest for Versatile, High-Speed ConnectivityTechnology: DOCSIS 3.1Max Speed: Up to 2 GbpsEthernet Ports: 2 GigabitVIEW ON AMAZONSee Our Full Breakdown
Hitron CODA DOCSIS 3.1 Modem – Certified for Comcast Xfinity, Charter Spectrum, Cox – 1 Gbps Ethernet Port (Renewed)Hitron CODA DOCSIS 3.1 Modem - Certified for Comcast Xfinity, Charter Spectrum, Cox - 1 Gbps Ethernet Port (Renewed)Best for Moderate-Speed Plans and Budget Conscious BuyersSupported Speed: Up to 1 GbpsCompatibility: Xfinity, Spectrum, CoxEthernet Port: 1 GbpsVIEW ON AMAZONSee Our Full Breakdown
ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gig Cable ModemARRIS Surfboard S33 DOCSIS 3.1 Multi-Gig Cable ModemBest for Maximum Speed and Future-ProofingSpeed: Up to 2.5 GbpsTechnology: DOCSIS 3.1Design: Compact, modernVIEW ON AMAZONSee Our Full Breakdown
ARRIS Surfboard G34 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router | AX3000ARRIS Surfboard G34 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router | AX3000Best for All-in-One High-Speed Home NetworkTechnology: DOCSIS 3.1Wi-Fi: Wi-Fi 6 (AX3000)Max Speed: Up to 2.5 GbpsVIEW ON AMAZONSee Our Full Breakdown
NETGEAR Nighthawk Cable Modem CM1200NETGEAR Nighthawk Cable Modem CM1200Best Overall for High-Speed, Multi-Gig NetworkingCompatibility: Xfinity, Spectrum, Cox, othersMax Plan Speed: Up to 1 GbpsEthernet Ports: 4 x 1GVIEW ON AMAZONSee Our Full Breakdown
NETGEAR Nighthawk CAX30 DOCSIS 3.1 Cable Modem and WiFi 6 Router – AX2700, 2.7 GbpsNETGEAR Nighthawk CAX30 DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700, 2.7 GbpsBest for All-in-One High-Speed Home NetworkingCompatibility: Xfinity, Spectrum, Cox, othersWiFi Standard: WiFi 6 (AX2700)Max Internet Speed: Up to 2.7 GbpsVIEW ON AMAZONSee Our Full Breakdown
ARRIS SB6190 Cable Modem – DOCSIS 3.0, 32×8 Channels, 1 Gbps Ethernet PortARRIS SB6190 Cable Modem - DOCSIS 3.0, 32x8 Channels, 1 Gbps Ethernet PortBest Budget High-Speed Wired ModemChannels: 32×8Technology: DOCSIS 3.0Ethernet Port: 1 GbpsVIEW ON AMAZONSee Our Full Breakdown
NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit ModemNETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit ModemBest Simple High-Speed Modem for Major ProvidersCompatibility: All major cable providersMax Internet Speed: Up to 1 GbpsEthernet Ports: 1 Gigabit EthernetVIEW ON AMAZONSee Our Full Breakdown
Hitron CODA DOCSIS 3.1 Cable Modem – Up to 1 Gbps, Requires WiFi RouterHitron CODA DOCSIS 3.1 Cable Modem - Up to 1 Gbps, Requires WiFi RouterBest for High-Speed Cable Internet with Separate WiFiTechnology: DOCSIS 3.1Max Speed: Up to 1 GbpsCompatibility: Xfinity, Spectrum, CoxVIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
gigabit cable modemCompatibilityTechnologyEthernet Ports
Netgear CM1000 Ultra-High SpeeAll major cable internet providers1 Gigabit Ethernet port
NETGEAR Nighthawk DOCSIS 3.1 MAll major US providers except Xfinity VoiceDOCSIS 3.1
ARRIS SB8200-RB Cable ModemCox, Spectrum, Xfinity, othersDOCSIS 3.12
Hitron CODA56 DOCSIS 3.1 CableXfinity, Spectrum, CoxDOCSIS 3.11
NETGEAR Nighthawk DOCSIS 3.1 MXfinity, Spectrum, Cox, US providersDOCSIS 3.11x 2.5 Gig, 2x 1 Gig
Hitron CODA56 Cable Internet MXfinity, Spectrum, CoxDOCSIS 3.1
ARRIS SURFboard SB8200 DOCSIS Cox, Xfinity, SpectrumDOCSIS 3.12 Gigabit
Hitron CODA DOCSIS 3.1 ModemXfinity, Spectrum, CoxDOCSIS 3.1
ARRIS Surfboard S33 DOCSIS 3.1Major cable providersDOCSIS 3.1
ARRIS Surfboard G34 DOCSIS 3.1Cox, Xfinity, SpectrumDOCSIS 3.14 Gigabit
NETGEAR Nighthawk Cable Modem Xfinity, Spectrum, Cox, othersDOCSIS 3.1, 32×8 channel bonding4 x 1G
NETGEAR Nighthawk CAX30 DOCSISXfinity, Spectrum, Cox, others4 Gigabit Ethernet
ARRIS SB6190 Cable ModemDOCSIS 3.0
NETGEAR Cable Modem DOCSIS 3.1All major cable providersDOCSIS 3.11 Gigabit Ethernet
Hitron CODA DOCSIS 3.1 Cable MXfinity, Spectrum, CoxDOCSIS 3.11

More Details on Our Top Picks

  1. Netgear CM1000 Ultra-High Speed DOCSIS 3.1 Cable Modem

    Netgear CM1000 Ultra-High Speed DOCSIS 3.1 Cable Modem

    Best Overall for High-Speed Reliable Connections

    View on Amazon

    This model stands out for its straightforward support of internet speeds up to 1Gbps, making it an excellent choice for households that prioritize consistent, high-capacity connectivity. Compared with the ARRIS SB8200-RB, the CM1000 is simpler, lacking dual Ethernet ports, but that means fewer options for device connections. Its compatibility with major providers like Spectrum, Cox, and Xfinity ensures broad usability, though it excludes Verizon and AT&T, which use different infrastructure. The single Gigabit Ethernet port keeps setup simple but limits wired expansion. For those who need a no-fuss, high-speed modem in a US-only setup, this is a reliable pick, especially for streaming or gaming.

    Pros:
    • Supports internet speeds up to 1Gbps for fast, smooth streaming and gaming
    • Reduces monthly rental fees by replacing provider rentals
    • Easy to connect with existing routers
    Cons:
    • Limited to a single Ethernet port, restricting wired device connections
    • Not compatible with Verizon or AT&T services

    Best for: US households seeking a reliable, high-speed cable modem compatible with major providers

    Not ideal for: Users needing multi-device wired setups or using Verizon or AT&T internet services

    • Compatibility:All major cable internet providers
    • Max Internet Speed:1Gbps
    • Certified Providers:Spectrum, Cox, Xfinity
    • Ethernet Ports:1 Gigabit Ethernet port
    • Connectivity:DOCSIS 3.1
    • Country of Use:US
    Our verdict
    “Best suited for US users wanting a simple, high-speed modem that works with most major cable providers.”
  2. NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Cable Modem (CM2500-1AZNAS)

    NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Cable Modem (CM2500-1AZNAS)

    Best for Ultra-Fast Gaming and Streaming with WiFi 6E Support

    View on Amazon

    This pick is ideal for those wanting to leverage the latest WiFi standards alongside gigabit speeds, supporting up to 2Gbps download and 1Gbps upload, surpassing the Netgear CM1000 with higher speeds and WiFi 6E compatibility. Its dual Ethernet ports offer flexibility for wired devices, making it better suited for a home with multiple gadgets. While it excludes Xfinity Voice plans, its compatibility with all major US providers makes it versatile. The need for a separate WiFi router means extra setup steps but offers the benefit of choosing a high-end router for optimal wireless performance. This model is tailored for tech-savvy users who want maximum speed and future-proof WiFi tech.

    Pros:
    • Supports very high speeds up to 2Gbps download, ideal for demanding tasks
    • Compatible with WiFi 6E and WiFi 7 routers for enhanced wireless performance
    • Includes two Ethernet ports for wired device flexibility
    Cons:
    • Requires a separate WiFi router, adding complexity and cost
    • Limited to US internet providers, excluding international options

    Best for: Gamers and streamers who want the latest WiFi tech combined with gigabit internet speeds

    Not ideal for: Users preferring an all-in-one modem/router or with basic internet needs

    • Max Download Speed:2Gbps
    • Max Upload Speed:1Gbps
    • Compatibility:All major US providers except Xfinity Voice
    • Ports:2 Gigabit Ethernet ports
    • Technology:DOCSIS 3.1
    • Supports Link Aggregation:Yes
    Our verdict
    “Best suited for tech enthusiasts seeking cutting-edge WiFi and gigabit speeds in their home network.”
  3. ARRIS SB8200-RB Cable Modem – DOCSIS 3.1, 32×8 Gigabit, Approved for Major US Cable Providers

    ARRIS SB8200-RB Cable Modem - DOCSIS 3.1, 32x8 Gigabit, Approved for Major US Cable Providers

    Best for High-Speed Wired Connections with Proven Reliability

    View on Amazon

    This modem excels for users who prioritize wired performance, supporting speeds up to 1Gbps with two Gigabit Ethernet ports, surpassing models like the Netgear CM1000 in Ethernet versatility. It’s compatible with major providers such as Xfinity, Spectrum, and Cox, but doesn’t include Wi-Fi, making it unsuitable for those seeking wireless connectivity out of the box. Its DOCSIS 3.1 technology ensures future-proofing, yet it doesn’t support voice services or fiber internet, which might limit options for some. This device is well-suited for wired-heavy setups or users who already have a WiFi router.

    Pros:
    • Supports high internet speeds up to 1Gbps
    • Includes two Gigabit Ethernet ports for multiple wired devices
    • Compatible with major cable providers
    Cons:
    • No built-in Wi-Fi, requiring a separate router
    • Limited to wired connections, less flexible for wireless needs

    Best for: Home users needing a reliable, high-speed wired connection and existing WiFi setup

    Not ideal for: Those looking for an all-in-one modem/router or wireless solutions

    • Compatibility:Cox, Spectrum, Xfinity, others
    • Max Internet Speed:1Gbps
    • Channels:32×8 DOCSIS 3.0, 2 OFDM DOCSIS 3.1 channels
    • Ethernet Ports:2
    • Technology:DOCSIS 3.1
    • Supports Link Aggregation:No
    Our verdict
    “Ideal for users who want a robust, wired-only connection with broad provider compatibility.”
  4. Hitron CODA56 DOCSIS 3.1 Cable Modem – 2.5 Gbps, Ethernet Port, Compatible with Xfinity, Spectrum, Cox

    Hitron CODA56 DOCSIS 3.1 Cable Modem - 2.5 Gbps, Ethernet Port, Compatible with Xfinity, Spectrum, Cox

    Best for Multi-Gig Internet, No WiFi Needed

    View on Amazon

    This modem is designed for ultra-fast internet plans up to 2.5 Gbps, making it suitable for heavy users and future-proofing high-bandwidth needs. Compared to the ARRIS SB8200-RB, the Hitron CODA56 offers higher maximum speeds but only features a single Ethernet port, requiring users to add a separate WiFi router. Its compatibility with top providers like Xfinity, Spectrum, and Cox makes it a flexible choice, but it doesn’t support voice services or fiber options. Its simplicity and speed make it a great choice for wired-heavy setups or users wanting to avoid monthly rental fees.

    Pros:
    • Supports multi-gig internet speeds up to 2.5 Gbps
    • Compatible with major cable providers
    • Eliminates monthly modem rental fees
    Cons:
    • Requires a separate WiFi router for wireless connectivity
    • Limited to cable internet; no voice support

    Best for: Power users with multi-gig internet plans seeking a straightforward, high-capacity modem

    Not ideal for: Home users needing integrated WiFi or voice services

    • Max Speed:2.5 Gbps
    • Compatibility:Xfinity, Spectrum, Cox
    • Ethernet Ports:1
    • Technology:DOCSIS 3.1
    • Supports:Cable internet only
    Our verdict
    “Best suited for users with multi-gig plans who want a high-speed wired setup without paying rental fees.”
  5. NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Cable Modem (CM3000-1AZNAS)

    NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Cable Modem (CM3000-1AZNAS)

    Best for Multi-Gig Speeds with Advanced Management

    View on Amazon

    This modem supports internet plans up to 2.5Gbps, with a 2.5 Gig Ethernet port that offers a clear advantage over models with only 1Gbps ports, like the Netgear CM1000. Its compatibility with major US providers and management via the Nighthawk app makes setup and control straightforward, appealing to users who want both speed and ease of use. It’s designed solely for cable internet, excluding fiber or voice services, and requires a compatible WiFi router for wireless needs. This device is ideal for tech-savvy users who want fast, manageable connections with future-proof features.

    Pros:
    • Supports multi-gig speeds up to 2.5Gbps
    • Easy setup and management via the Nighthawk app
    • Includes a high-capacity 2.5 Gig Ethernet port
    Cons:
    • Requires a separate WiFi router for wireless connectivity
    • Limited to cable internet, no fiber or voice services

    Best for: Home users who need a high-speed, manageable cable modem with future-proof Ethernet ports

    Not ideal for: People seeking an all-in-one device with built-in WiFi or voice support

    • Max Speed:up to 2.5Gbps
    • Compatibility:Xfinity, Spectrum, Cox, US providers
    • Ethernet Ports:1x 2.5 Gig, 2x 1 Gig
    • Technology:DOCSIS 3.1
    • App Support:Nighthawk app
    Our verdict
    “Ideal for users wanting high-speed, easy-to-manage cable internet with future-ready Ethernet capabilities.”
  6. Hitron CODA56 Cable Internet Modem DOCSIS 3.1, 2.5 Gbps, No WiFi, Compatible with Xfinity, Spectrum, Cox

    Hitron CODA56 Cable Internet Modem DOCSIS 3.1, 2.5 Gbps, No WiFi, Compatible with Xfinity, Spectrum, Cox

    Best for Ultra-High-Speed Cable Plans

    View on Amazon

    The Hitron CODA56 stands out for supporting blazing-fast speeds up to 2.5 Gbps, making it ideal for households with ultra-fast cable internet plans. Unlike the ARRIS SB8200, which offers similar speeds, the CODA56’s low latency benefits gamers and streamers. However, since it lacks built-in WiFi, you’ll need a separate router, which could add complexity and cost for some users. This model is a clear choice for those who want to maximize their high-speed plans without paying rental fees but are comfortable setting up a separate WiFi device.

    Pros:
    • Supports speeds up to 2.5 Gbps, ideal for premium cable packages
    • Compatible with major providers like Xfinity, Spectrum, Cox
    • Low latency benefits online gaming and streaming
    Cons:
    • Requires a separate WiFi router for wireless connectivity
    • Limited to cable internet, not compatible with fiber or DSL

    Best for: Homes with gigabit plans seeking high throughput and low latency, who already own or plan to buy a high-performance WiFi router

    Not ideal for: Users looking for an all-in-one solution with integrated WiFi, or those on lower-speed plans under 1 Gbps

    • Technology:DOCSIS 3.1
    • Max Speed:2.5 Gbps
    • Ethernet Port:2.5 Gbps
    • Compatibility:Xfinity, Spectrum, Cox
    • WiFi:Not included
    • Latency:Low latency
    Our verdict
    “This modem is best for users with high-speed cable plans who want maximum speed and are comfortable adding a separate WiFi setup.”
  7. ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem

    ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem

    Best for Versatile, High-Speed Connectivity

    View on Amazon

    The ARRIS SURFboard SB8200 offers robust support for speeds up to 2 Gbps, making it a versatile choice for demanding homes. Its dual Gigabit Ethernet ports provide flexible wired connections, surpassing the single port of the Hitron CODA56. Its modern, compact design simplifies setup and fits well in tight spaces. Compared to the ARRIS Surfboard S33, which also handles speeds up to 2.5 Gbps, the SB8200’s slightly lower maximum speed might matter to users with the fastest plans, but its proven reliability and dual ports make it a strong all-around pick.

    Pros:
    • Supports speeds up to 2 Gbps, great for high-bandwidth activities
    • Dual Gigabit Ethernet ports for multiple wired devices
    • Compact and modern design simplifies installation
    Cons:
    • Requires a separate WiFi router for wireless connectivity
    • Limited to cable internet, excluding DSL or fiber

    Best for: Tech-savvy households needing reliable ultra-fast internet with multiple wired devices

    Not ideal for: Those who prefer integrated WiFi or have plans under 1 Gbps, as they might not utilize its full capabilities

    • Technology:DOCSIS 3.1
    • Max Speed:Up to 2 Gbps
    • Ethernet Ports:2 Gigabit
    • Design:Compact, modern
    • Compatibility:Cox, Xfinity, Spectrum
    Our verdict
    “This modem excels for users with multiple wired devices and high-speed plans who want reliable performance.”
  8. Hitron CODA DOCSIS 3.1 Modem – Certified for Comcast Xfinity, Charter Spectrum, Cox – 1 Gbps Ethernet Port (Renewed)

    Hitron CODA DOCSIS 3.1 Modem - Certified for Comcast Xfinity, Charter Spectrum, Cox - 1 Gbps Ethernet Port (Renewed)

    Best for Moderate-Speed Plans and Budget Conscious Buyers

    View on Amazon

    The Hitron CODA supports internet plans up to 1 Gbps, making it suitable for most households that don’t require ultra-high speeds. Its compatibility with major providers like Xfinity, Spectrum, and Cox offers flexible options. Compared to the ARRIS SB8200, it’s slightly less powerful, but for users on plans around 1 Gbps, it provides a cost-effective, straightforward setup. Its single Ethernet port limits wired expansion, but the ease of setup and rental fee elimination make it a compelling choice for moderate users.

    Pros:
    • Supports internet speeds up to 1 Gbps, suitable for most households
    • Compatible with major providers like Xfinity, Spectrum, Cox
    • Eliminates rental fees, saving money over time
    Cons:
    • Requires a separate WiFi router for wireless access
    • Limited to 1 Gbps speed, not future-proof for higher plans

    Best for: Average households with plans up to 1 Gbps seeking reliable, affordable cable internet

    Not ideal for: Power users with multi-gig plans or those needing multiple wired connections

    • Supported Speed:Up to 1 Gbps
    • Compatibility:Xfinity, Spectrum, Cox
    • Ethernet Port:1 Gbps
    • Technology:DOCSIS 3.1
    • Channels:2 downstream, 2 upstream
    Our verdict
    “This modem fits well for users who need dependable, mid-range cable speeds without extra fuss.”
  9. ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gig Cable Modem

    ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gig Cable Modem

    Best for Maximum Speed and Future-Proofing

    View on Amazon

    The ARRIS Surfboard S33 is designed for those who demand the fastest, supporting speeds up to 2.5 Gbps. Its compact form and straightforward setup make it an attractive choice for tech enthusiasts. Compared to the SB8200, it offers similar speeds but with a sleek, modern look. Its compatibility with major providers makes it versatile, but it requires a separate WiFi router, which could be an added cost. This modem is ideal for users who want to future-proof their home network and enjoy the highest possible cable internet speeds.

    Pros:
    • Supports speeds up to 2.5 Gbps, ideal for future upgrades
    • Compact, modern design for easy placement
    • Supports high-performance plans from major providers
    Cons:
    • Requires a separate WiFi router for wireless coverage
    • Price may be higher due to premium performance

    Best for: Power users and technology enthusiasts planning to maximize high-speed plans and upgrade their entire home network

    Not ideal for: Casual users or those seeking an all-in-one device with integrated WiFi

    • Speed:Up to 2.5 Gbps
    • Technology:DOCSIS 3.1
    • Design:Compact, modern
    • Includes:Modem only
    • Compatibility:Major cable providers
    Our verdict
    “This modem is best for users who want the highest speed capability and plan to invest in a robust home network.”
  10. ARRIS Surfboard G34 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router | AX3000

    ARRIS Surfboard G34 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router | AX3000

    Best for All-in-One High-Speed Home Network

    View on Amazon

    The ARRIS Surfboard G34 combines a DOCSIS 3.1 modem with a Wi-Fi 6 router supporting speeds up to 2.5 Gbps, making it an excellent choice for users seeking an integrated solution. Its four Ethernet ports provide wired flexibility, surpassing the single port of the Hitron CODA56. Compared with the standalone SB8200, the G34 adds Wi-Fi 6, offering improved wireless performance for streaming and gaming. However, it’s limited to cable plans and may be overkill for households on lower-speed plans or those needing only a modem without the router.

    Pros:
    • Supports speeds up to 2.5 Gbps with a Wi-Fi 6 router for better wireless coverage
    • Includes four Gigabit Ethernet ports for wired devices
    • Easy setup with LED indicators and all-in-one design
    Cons:
    • Limited to cable internet plans, not compatible with fiber or DSL
    • Higher cost compared to separate modem and router setups

    Best for: Home users wanting a streamlined, high-performance router and modem combo for fast wireless and wired connections

    Not ideal for: People with existing routers, fiber, or DSL connections, or those on lower-speed plans

    • Technology:DOCSIS 3.1
    • Wi-Fi:Wi-Fi 6 (AX3000)
    • Max Speed:Up to 2.5 Gbps
    • Ethernet Ports:4 Gigabit
    • Compatibility:Cox, Xfinity, Spectrum
    Our verdict
    “This all-in-one device fits tech-savvy households seeking high-speed wireless and wired connectivity in a single package.”
  11. NETGEAR Nighthawk Cable Modem CM1200

    NETGEAR Nighthawk Cable Modem CM1200

    Best Overall for High-Speed, Multi-Gig Networking

    View on Amazon

    The NETGEAR Nighthawk CM1200 stands out as the top choice for those needing a powerful, future-proof cable modem. Its DOCSIS 3.1 technology and 32×8 channel bonding make it capable of handling internet speeds up to 1 Gbps, similar to high-end models like the ARRIS SB8200. What sets it apart is its multi-gig link aggregation, allowing simultaneous 2 Gbps wired speeds—ideal for heavy network users. However, its lack of built-in WiFi means you’ll need a separate router, adding complexity and cost. It’s best suited for users who want high wired performance and are prepared to pair it with a WiFi router. Those seeking an all-in-one solution or with limited space might prefer integrated options. Pros: Compatible with major providers; Supports multi-gig Ethernet; Reduces rental fees; Future-proof DOCSIS 3.1 technology. Cons: No WiFi built-in; Requires an external router; Not compatible with Verizon or AT&T.
    Verdict: This pick makes the most sense for power users who prioritize wired speeds and are comfortable with a two-device setup.

    • Compatibility:Xfinity, Spectrum, Cox, others
    • Max Plan Speed:Up to 1 Gbps
    • Ethernet Ports:4 x 1G
    • Technology:DOCSIS 3.1, 32×8 channel bonding
    • Multi-gig Ethernet:Yes, link aggregation for 2G speed
    • WiFi:None
    Our verdict
    “Best Overall for High-Speed, Multi-Gig Networking — a strong pick in this lineup.”
  12. NETGEAR Nighthawk CAX30 DOCSIS 3.1 Cable Modem and WiFi 6 Router – AX2700, 2.7 Gbps

    NETGEAR Nighthawk CAX30 DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700, 2.7 Gbps

    Best for All-in-One High-Speed Home Networking

    View on Amazon

    The NETGEAR Nighthawk CAX30 offers a compelling combo of a DOCSIS 3.1 modem and WiFi 6 router, making it ideal for households with multiple devices and demanding online activities like gaming and streaming. Its 2.7 Gbps maximum speed exceeds most user needs and supports up to 25 devices, outperforming many single-function devices like the ARRIS SB6190. While setup is straightforward via the Nighthawk app, some may find WiFi configuration complex, especially if unfamiliar with WiFi 6 features. It’s best for tech-savvy users or families with high-speed internet plans who want simplicity and speed in one device. Users with simpler needs or who prefer separate units might find it overkill. Pros: Combines modem and WiFi 6 router; Fast multi-gig speeds; Wide coverage and device support; Advanced security features. Cons: Not compatible with Verizon or AT&T; Slightly higher price; Setup can be complex for novices.
    Verdict: Perfect for households seeking a single, high-performance device that handles all their internet and WiFi needs effortlessly.

    • Compatibility:Xfinity, Spectrum, Cox, others
    • WiFi Standard:WiFi 6 (AX2700)
    • Max Internet Speed:Up to 2.7 Gbps
    • Coverage Area:Up to 2,000 sq. ft.
    • Concurrent Devices:Up to 25
    • Ethernet Ports:4 Gigabit Ethernet
    • Security:NETGEAR Armor
    Our verdict
    “Best for All-in-One High-Speed Home Networking — a strong pick in this lineup.”
  13. ARRIS SB6190 Cable Modem – DOCSIS 3.0, 32×8 Channels, 1 Gbps Ethernet Port

    ARRIS SB6190 Cable Modem - DOCSIS 3.0, 32x8 Channels, 1 Gbps Ethernet Port

    Best Budget High-Speed Wired Modem

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    The ARRIS SB6190 offers solid performance for wired internet users on a budget, with 32 downstream channels and speeds up to 800 Mbps. Compared to DOCSIS 3.1 models like the NETGEAR CM1200, it provides slightly lower maximum speeds but remains reliable for most streaming and gaming needs. Its single Gigabit Ethernet port simplifies wired connections but limits expandability. It’s best suited for users who prioritize value and wired reliability without requiring multi-gig speeds or WiFi. If you need wireless connectivity or plan to upgrade to multi-gig plans, a more advanced model might be worth the extra investment. Pros: Affordable; Reliable with 2-year warranty; Easy to set up; Good wired performance. Cons: No WiFi; Limited to 800 Mbps; Not future-proof for multi-gig plans.
    Verdict: Ideal for budget-conscious users seeking dependable wired speeds without wireless features or future upgrades.

    • Channels:32×8
    • Technology:DOCSIS 3.0
    • Ethernet Port:1 Gbps
    • Max Speed:800 Mbps
    • Warranty:2 years
    • WiFi:None
    Our verdict
    “Best Budget High-Speed Wired Modem — a strong pick in this lineup.”
  14. NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem

    NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem

    Best Simple High-Speed Modem for Major Providers

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    The NETGEAR CM1000 provides a straightforward, high-speed solution for users with plans up to 1 Gbps from providers like Spectrum, Cox, and Xfinity. Its DOCSIS 3.1 technology matches premium models like the Hitron CODA but with a single Gigabit Ethernet port, simplifying setup. Unlike multi-port options, it’s designed for those who prioritize a clean, minimal setup. Its main limitation is that it doesn’t include WiFi, so a separate router is necessary, similar to the NETGEAR CM1200. This makes it ideal for users who already have a robust WiFi solution or prefer wired connections. Those seeking an all-in-one device or with complex home networks may prefer models with integrated WiFi. Pros: Supports high-speed plans up to 1 Gbps; Easy setup; Compatible with major providers; Compact design. Cons: No WiFi; Single Ethernet port; Not compatible with Verizon or AT&T.
    Verdict: Perfect for users who want a reliable, high-speed, wired modem to pair with their existing WiFi setup.

    • Compatibility:All major cable providers
    • Max Internet Speed:Up to 1 Gbps
    • Ethernet Ports:1 Gigabit Ethernet
    • Technology:DOCSIS 3.1
    • Supported Providers:Spectrum, Cox, Xfinity
    • WiFi:None
    Our verdict
    “Best Simple High-Speed Modem for Major Providers — a strong pick in this lineup.”
  15. Hitron CODA DOCSIS 3.1 Cable Modem – Up to 1 Gbps, Requires WiFi Router

    Hitron CODA DOCSIS 3.1 Cable Modem - Up to 1 Gbps, Requires WiFi Router

    Best for High-Speed Cable Internet with Separate WiFi

    View on Amazon

    The Hitron CODA delivers up to 1 Gbps speeds with DOCSIS 3.1 technology, making it suitable for demanding internet plans from Xfinity, Spectrum, and Cox. Its straightforward setup involves a coaxial connection, and it requires a separate WiFi router, similar to the NETGEAR CM1000. Compared to integrated devices like the NETGEAR CAX30, this modem is better for users who already own or want to select their own WiFi hardware. The main tradeoff is that it doesn’t support fiber, DSL, or satellite internet, limiting its scope to cable. It’s a good choice for those who prioritize high-speed wired performance and flexibility in their WiFi setup, but less ideal for users who prefer an all-in-one device. Pros: Supports up to 1 Gbps; Compatible with major cable providers; Easy to set up; Trusted brand. Cons: No built-in WiFi; Needs a separate router; Limited to cable internet.
    Verdict: Best for users who want a high-speed cable modem and already own or plan to buy a separate WiFi router.

    • Technology:DOCSIS 3.1
    • Max Speed:Up to 1 Gbps
    • Compatibility:Xfinity, Spectrum, Cox
    • Connection Type:Coaxial cable
    • Ethernet Ports:1
    • WiFi:Requires separate router
    Our verdict
    “Best for High-Speed Cable Internet with Separate WiFi — a strong pick in this lineup.”
gigabit cable modems
What makes a great gigabit cable modem
1
Compatibility With Your Internet Service Provider
Ensuring your chosen modem works seamlessly with your cable provider is essential.
2
Technology Standards: DOCSIS 3.0 vs. DOCSIS 3.1
DOCSIS 3.1 is the latest standard and offers higher speeds and better network efficiency, making it ideal for gigabit plans.
3
Built-in WiFi vs. Separate Router
Some cable modems include integrated WiFi, which simplifies setup and reduces clutter.
4
Number of Ethernet Ports and Multi-Gig Support
For households with multiple wired devices, the number of Ethernet ports can be a deciding factor.
How to choose your gigabit cable modem
1
How we picked
These products were evaluated based on their performance capabilities, compatibility with major cable providers, build q
2
Compatibility With Your Internet Service Provider
Ensuring your chosen modem works seamlessly with your cable provider is essential.
3
Technology Standards: DOCSIS 3.0 vs. DOCSIS 3.1
DOCSIS 3.1 is the latest standard and offers higher speeds and better network efficiency, making it ideal for gigabit pl
4
Built-in WiFi vs. Separate Router
Some cable modems include integrated WiFi, which simplifies setup and reduces clutter.
5
Number of Ethernet Ports and Multi-Gig Support
For households with multiple wired devices, the number of Ethernet ports can be a deciding factor.
Vetted gigabit cable modems ·
The best gigabit cable modems, compared
★ Winner Netgear CM1000 Ultra-High Spee
Best Overall for High-Speed Reliable Connections
15compared
3technologys

How We Picked

These products were evaluated based on their performance capabilities, compatibility with major cable providers, build quality, and value for money. We prioritized models with DOCSIS 3.1 technology for future-proofing, alongside proven performance in real-world speeds. Usability factors such as ease of installation and whether the modem includes WiFi were also considered. To create a ranking that benefits different types of buyers, we balanced premium features against affordability, aiming to recommend options that suit both casual users and demanding households. Our focus was on products that reliably deliver gigabit speeds and are widely compatible, minimizing setup hassles.

Factors to Consider When Choosing Gigabit Cable Modems

When selecting a gigabit cable modem, several key factors influence how well it will meet your needs. Understanding these can help you avoid common pitfalls like overpaying for features you don’t need or choosing a model incompatible with your provider. Beyond raw speed, consider compatibility, future-proofing, and the overall cost of ownership. A well-chosen modem can boost your internet experience without unnecessary expense or setup difficulties.

Compatibility With Your Internet Service Provider

Ensuring your chosen modem works seamlessly with your cable provider is essential. Major US providers like Xfinity, Spectrum, and Cox maintain lists of approved devices, so it’s wise to verify compatibility before purchasing. Choosing an incompatible model can lead to setup delays or the need for returns. Keep in mind that some providers require specific firmware or hardware features for full support, so double-check the specifications.

Technology Standards: DOCSIS 3.0 vs. DOCSIS 3.1

DOCSIS 3.1 is the latest standard and offers higher speeds and better network efficiency, making it ideal for gigabit plans. While DOCSIS 3.0 models can still deliver gigabit speeds, they are less future-proof and may encounter congestion sooner. Investing in a DOCSIS 3.1 modem often costs more upfront but provides longer-term value, especially if you plan to upgrade your service or want maximum speed potential.

Built-in WiFi vs. Separate Router

Some cable modems include integrated WiFi, which simplifies setup and reduces clutter. However, these often come at a premium and may not offer the same performance or flexibility as dedicated routers. If you prefer higher WiFi performance or advanced features like mesh networking, selecting a separate, high-quality router can be more cost-effective and adaptable long-term.

Number of Ethernet Ports and Multi-Gig Support

For households with multiple wired devices, the number of Ethernet ports can be a deciding factor. Many gigabit modems come with a single Gigabit port, but some high-end models include multi-gig ports supporting speeds over 1 Gbps. Think about your current and future wired needs—more ports or multi-gig support can future-proof your network, though it might increase the price.

Price and Long-Term Value

While paying more for the latest tech can seem appealing, it’s important to match your purchase to your actual needs. Basic gigabit plans don’t require multi-gig ports or built-in WiFi, so a mid-range DOCSIS 3.1 modem often provides the best value. Conversely, if you want the latest features and maximum performance, investing in a premium model makes sense. Consider the total cost of ownership, including potential future upgrades or service compatibility.

Frequently Asked Questions

Do I need a DOCSIS 3.1 modem for gigabit internet?

While a DOCSIS 3.0 modem can deliver gigabit speeds under ideal conditions, a DOCSIS 3.1 modem is recommended for future-proofing and maximum performance. DOCSIS 3.1 supports higher speeds, lower latency, and better network efficiency, making it a smarter investment if you want to fully utilize gigabit plans now and in the future. Check your provider’s compatibility list to ensure the modem you choose is supported.

Can I use a cable modem with WiFi built-in for my gigabit plan?

Yes, some models combine cable modem and WiFi router functions, offering a simplified setup. However, these integrated devices often cost more and may not deliver the same WiFi performance as a dedicated router, especially in larger homes. If WiFi performance is critical, or you want more control over your network, opting for a separate high-quality router paired with a gigabit modem is generally better.

What is the difference between a Gigabit modem and a multi-gig modem?

A gigabit modem supports speeds up to 1 Gbps per port, suitable for most standard gigabit plans. Multi-gig modems, on the other hand, support speeds above 1 Gbps, such as 2.5 Gbps or higher, providing additional headroom for future upgrades or multi-gig internet plans. If your provider offers multi-gig services, investing in a multi-gig modem ensures you’re not limited by your hardware.

Are all gigabit modems compatible with all cable providers?

No, not all modems work with every provider. Compatibility depends on the modem’s firmware and approval status with your cable company. Always check your provider’s list of approved devices before buying, to avoid setup issues or potential service interruptions. This step is especially important if you are switching providers or upgrading your existing equipment.

How long will a DOCSIS 3.1 modem last before needing an upgrade?

Most DOCSIS 3.1 modems are designed to be future-proof for several years, typically 5 to 7 years, depending on your internet needs and provider upgrades. As internet speeds and technology evolve, you might find the need to upgrade sooner if your provider releases new standards or you require higher speeds. Choosing a high-quality model today can delay this need and save money long-term.

Conclusion

For most households seeking a reliable, high-speed connection, the Netgear CM1000 offers a balanced mix of performance and cost, making it the best overall choice. Those who want to maximize future-proofing and performance may prefer the ARRIS SB8200, especially if they have demanding multi-device setups. Budget-conscious buyers should consider models like the Hitron CODA56, which delivers solid gigabit speeds without extra frills. Beginners or users with smaller homes might opt for a modem with built-in WiFi, like the ARRIS G34. Ultimately, your choice depends on your current plan, future plans, and how much you’re willing to invest in a seamless internet experience.

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