When searching for a rackmount server, you’re looking for a powerful, scalable, and reliable solution to support your business or data needs. The HP ProLiant DL360 G9 stands out as the best overall choice, offering a balanced mix of performance and expandability. For those prioritizing raw processing power, the Dell PowerEdge R640 with dual Xeon Gold CPUs delivers top-tier speed. Meanwhile, the Dell PowerEdge R730xd provides excellent storage capacity for data-heavy environments. As you compare options, keep in mind tradeoffs such as cost versus features, ease of maintenance, and future scalability. Continue reading for a detailed breakdown of these models and more, to help you pick the perfect fit for your needs.
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Key Takeaways
- Top-performing models like the Dell PowerEdge R640 excel in multi-core processing and memory capacity, ideal for demanding workloads.
- Storage-focused servers such as the Dell R730xd provide large disk arrays but often come at higher complexity and cost.
- Older models like the HP ProLiant DL360 G7 remain viable for basic or legacy setups, but lack modern features and efficiency.
- Renewed or refurbished servers can offer significant savings, yet may require extra attention to warranty and support.
- Choosing the right server depends heavily on your specific workload—whether you prioritize CPU power, storage, or a balance of both.
| rackmount server | Processor | Form Factor | RAM | Drive Bays |
|---|---|---|---|---|
| HP ProLiant DL360 G9 36-Core 2 | 2x E5-2695v4 2.10GHz 18-Core | — | 256GB DDR4 | — |
| Dell PowerEdge R640 8-Bay SFF | 2.10GHz 16-Core | SFF | 64GB | 8 |
| Dell PowerEdge R640 Server | 2x Xeon Gold 6126, 2.6GHz, 12 cores | 14th Gen 2.5" SFF | — | — |
| Dell PowerEdge R730XD Server | 2x Xeon E5-2670 v3, 2.30GHz | 2U Rack | — | 12 |
| HP ProLiant DL360 G9 Server wi | 2x Xeon E5-2650v3, 2.30GHz | Rack | — | — |
| Dell PowerEdge R640 Server 2x | 2x Gold 6148 2.4GHz | 2U | 256GB | — |
| Dell PowerEdge R730xd Server 2 | 2x Xeon E5-2690 v4 2.6GHz | 2U | 128GB DDR4 | 24 |
| Dell PowerEdge R440 4 Bay LFF | 2x Gold 6130 2.1GHz | 1U | 256GB DDR4 | 4 |
| Dell PowerEdge R630 8-Bay SFF | 2x Xeon E5-2690 V3 2.6GHz | 1U | 128GB DDR4 | 8 |
| HP ProLiant DL360 G7 1U Rackmo | 2x Xeon X5650 2.66GHz | 1U | 32GB | — |
More Details on Our Top Picks
HP ProLiant DL360 G9 36-Core 256GB RAM 16TB Server
This HP ProLiant DL360 G9 stands out for its high core count and substantial memory capacity, making it ideal for virtualization, unlike the Dell PowerEdge R640 2x Xeon Gold 6126, which offers newer CPUs but fewer cores and less RAM. The dual 18-core processors deliver impressive multitasking power, but the absence of SSD storage means slower data access, especially for I/O-heavy tasks. Its redundant power supplies boost reliability, a key advantage over some less resilient models. The complex setup and the fact that it’s a renewed product with limited warranty might deter less experienced users or those seeking long-term reliability. Overall, this model is best suited for enterprises prioritizing raw processing power and high availability over simplicity or budget-friendly options.
Pros:- High core count suitable for intensive virtualization
- Large 256GB RAM capacity for demanding workloads
- Redundant power supplies enhance uptime
Cons:- Renewed product may have limited warranty and unknown longevity
- No SSD included, limiting fast data access
- Setup complexity can be challenging for non-technical users
Best for: Large data centers or virtualization environments requiring high core counts and reliability
Not ideal for: Small businesses or home labs needing a budget-friendly or straightforward server setup
- Model:DL360 G9
- Processor:2x E5-2695v4 2.10GHz 18-Core
- Total Cores:36
- RAM:256GB DDR4
- Storage:4x 4TB SATA HDD
- Network:4x 1Gbe NIC
- Power Supply:2x 500W PSU
- Operating System:Windows Server 2019 Standard Evaluation
Our verdict“This server is a strong choice for enterprise users who need high processing power and high availability, accepting some setup complexity and limited warranty risks.”
Dell PowerEdge R640 8-Bay SFF Server 2.10GHz 16-Core 64GB RAM (Renewed)
Compared with the HP ProLiant DL360 G9, the Dell PowerEdge R640 offers a more modern 14th-generation architecture with a compact 8-bay SFF design, making it suitable for data centers needing flexibility. Its 16-core processor balances performance with energy efficiency, but it has less RAM at 64GB, which might limit heavy virtualization or large database workloads. The inclusion of four new 1.2TB SAS drives provides fast storage options that the HP lacks, yet being renewed may introduce warranty and longevity concerns. The R640’s updated BIOS and firmware make it a good choice for those wanting latest hardware features, though the cost-benefit depends on whether the user prioritizes newer tech over raw core count or RAM capacity. This pick makes the most sense for organizations wanting a versatile, space-efficient server for mid-range workloads.
Pros:- Modern 14th-generation architecture with updated firmware
- Includes four high-capacity SAS drives for fast storage
- Compact 8-bay SFF form factor saves space
Cons:- Limited warranty due to renewal status
- Less RAM (64GB) may restrict heavy multitasking
- No included operating system, adding to setup complexity
Best for: Mid-sized enterprises needing a flexible, up-to-date rack server with balanced specs
Not ideal for: Organizations requiring maximum RAM or core count for heavy virtualization
- Processor:2.10GHz 16-Core
- RAM:64GB
- Drive Bays:8
- Form Factor:SFF
- Condition:Renewed
- Storage:4x 1.2TB SAS
Our verdict“This server offers a balanced mix of modern features and storage speed for organizations seeking flexibility without the highest core counts or RAM.”
Dell PowerEdge R640 Server, 2x Intel Xeon Gold 6126, 128GB RAM, 4x 1.2TB SAS HDD (Renewed)
This Dell PowerEdge R640 with dual Xeon Gold 6126 processors provides a significant leap in processing power over the HP ProLiant DL360 G9, thanks to newer architecture and 24 total cores. Its 128GB RAM supports large-scale virtual machines or databases, but the absence of SSDs could hinder performance under I/O-intensive loads. The inclusion of four fresh 1.2TB SAS drives offers reliable, high-capacity storage, making it ideal for data-driven applications. However, as a renewed unit, its lifespan might be less predictable, and it lacks an operating system, which could add setup time. This model suits organizations that need robust CPU performance and ample storage, accepting that it may consume more power and require technical expertise for optimal configuration.
Pros:- Powerful dual Xeon Gold processors with 24 cores total
- Substantial 128GB RAM for demanding workloads
- Includes four new high-capacity SAS drives
Cons:- Renewed product may have limited remaining lifespan
- No SSDs, limiting I/O performance
- Requires technical skill for optimal setup
Best for: Data centers or enterprise environments prioritizing CPU performance and storage capacity
Not ideal for: Small offices or users seeking a plug-and-play, low-maintenance server
- Processor:2x Xeon Gold 6126, 2.6GHz, 12 cores
- Memory:128GB DDR4
- Hard Drives:4x 1.2TB SAS
- Form Factor:14th Gen 2.5″ SFF
- Warranty:2-year on hard drives
Our verdict“This server is well-suited for high-performance workloads in enterprise environments where CPU and storage are priorities, with some considerations for maintenance and power use.”
Dell PowerEdge R730XD Server, 2x E5-2670 v3, 128GB RAM, 12 Trays
Compared to the HP ProLiant DL360 G9, the Dell PowerEdge R730XD offers a 2U rack form factor with 12 drive trays, making it ideal for organizations needing large storage capacity. Its dual E5-2670 v3 processors deliver a solid 24-core performance for multitasking, but the absence of included drives means additional investment, unlike the ready-to-go HP ProLiant DL360 G9 which comes with pre-installed drives. Designed for enterprise use, it may be overkill for small or less demanding environments, and the renewal status could impact warranty and longevity. Still, its extensive storage options and compatibility with all Windows Server versions make it a flexible choice for data-heavy applications that demand high capacity and scalability.
Pros:- Multiple drive bays for extensive storage options
- Powerful dual Xeon E5-2670 v3 processors
- Supports all Windows Server versions
Cons:- Renewed condition may limit warranty coverage
- Requires additional purchase of drives and setup
- Designed for enterprise use, potentially overpowered for basic needs
Best for: Enterprises requiring large, scalable storage solutions in a rackmount form factor
Not ideal for: Small businesses or users needing a plug-and-play server with minimal setup
- Processor:2x Xeon E5-2670 v3, 2.30GHz
- Memory:128GB DDR4
- Drive Bays:12
- Form Factor:2U Rack
- Operating System:Supports all Windows Server
Our verdict“This server excels for data-heavy environments needing scalable storage, provided users are prepared for setup and additional drive purchases.”
HP ProLiant DL360 G9 Server with Dual Intel Xeon E5-2650v3, 32GB RAM, P440 RAID, 4x 600GB SAS Drives
This HP ProLiant DL360 G9 offers a balanced configuration with dual Xeon E5-2650v3 processors and 32GB RAM, making it suitable for small to medium enterprise workloads, unlike the more powerful Dell PowerEdge R640. Its included P440 RAID controller and four 600GB SAS drives provide reliable storage, but the limited RAM and absence of SSDs restrict performance for intensive applications. Its rack-mountable metal chassis and dual power supplies add to its reliability and deployment in data centers, yet the lack of pre-installed OS and the need for technical expertise can be barriers for less experienced users. This model makes sense for those needing dependable compute and storage without the highest performance demands.
Pros:- Dual Xeon E5-2650v3 processors for dependable performance
- Includes RAID controller and four SAS drives for data security
- Rack-mountable metal chassis with dual power supplies
Cons:- Limited RAM capacity for very demanding workloads
- No included operating system; setup complexity
- No SSDs, which could limit performance
Best for: Small to mid-sized enterprises seeking a reliable, straightforward rack server with good storage capacity
Not ideal for: Power users or virtualization-heavy workloads requiring large RAM or SSDs
- Processor:2x Xeon E5-2650v3, 2.30GHz
- Memory:32GB DDR4
- Storage:4x 600GB SAS
- RAID Controller:P440
- Power Supplies:2x 800W
- Form Factor:Rack
Our verdict“This server offers a reliable foundation for enterprise applications focused on storage and steady compute, with some limitations in RAM and ease of setup.”
Dell PowerEdge R640 Server 2x Gold 6148 2.4GHz 40-Core 256GB RAM + 8 Caddies (Renewed)
This renewal of the Dell PowerEdge R640 stands out for its high-performance dual Gold 6148 processors, making it a strong choice for demanding enterprise workloads. Compared to the R730xd, which offers more storage flexibility with larger drives, the R640 focuses on raw processing power, though it doesn’t specify storage capacity—an important consideration for data-heavy environments. The included 256GB RAM supports intensive multitasking, but as a renewed product, its warranty may be limited, and future expansion options could be constrained by its configuration. This model is ideal for data centers needing scalable compute capacity without immediate storage expansion.
Pros:- Exceptional processing power with 2x Gold 6148 CPUs
- Generous 256GB RAM supports intensive workloads
- Includes 8 drive caddies for flexible storage options
- Custom configuration potential
Cons:- Renewed product may have limited warranty and unknown previous usage
- Lacks detailed storage capacity info, which can be a concern
Best for: Large enterprise data centers requiring high compute power and flexible configurations
Not ideal for: Small businesses or home labs that don’t need such high-end specs or are concerned about warranty coverage
- Processor:2x Gold 6148 2.4GHz
- Cores:40
- RAM:256GB
- Drive Caddies:8
- Form Factor:2U
- Condition:Renewed
Our verdict“This server suits large-scale enterprise environments that prioritize raw processing power and configurability over initial cost or detailed storage specs.”
Dell PowerEdge R730xd Server 24B SFF 2U, 2x Intel Xeon E5-2690 v4 2.6GHz, 128GB DDR4 RAM, 4x 1.2TB 10K SAS HDD, H730P 2GB RAID, Dual Power Supplies, Dual 10Gb NIC
The Dell PowerEdge R730xd excels at handling storage-heavy workloads thanks to its 24-bay capacity and dual Xeon E5-2690 v4 processors, which deliver substantial processing power suitable for demanding applications. Compared to the R640, which is more focused on high-end compute, the R730xd offers more direct storage expansion, though it is bulkier and consumes more rack space. Its dual power supplies and high-speed network options boost reliability and connectivity, but the size and complexity might be overkill for smaller setups. This server makes the most sense for enterprises that need extensive storage but want robust processing and network capabilities.
Pros:- High-performance dual Xeon processors for demanding tasks
- Large 24-bay SAS storage capacity
- Dual power supplies for high availability
- Multiple high-speed network interfaces
Cons:- Heavier and larger, requiring more rack space
- Potentially overkill for basic or small-scale applications
- Renewed product may have warranty limitations
Best for: Organizations with intensive storage and processing requirements in a 2U rack form factor
Not ideal for: Small offices or setups with limited rack space and less focus on storage capacity
- Processor:2x Xeon E5-2690 v4 2.6GHz
- Cores:28 total
- RAM:128GB DDR4
- Drive Bays:24
- RAID Controller:H730P 2GB
- Form Factor:2U
Our verdict“Ideal for enterprise environments prioritizing extensive storage with strong compute and network capabilities, though size and cost are considerations.”
Dell PowerEdge R440 4 Bay LFF Rackmount Server with 2x Gold 6130 2.1GHz 16-Core CPU and 256GB DDR4 RAM (Renewed)
The Dell PowerEdge R440 offers a compelling balance of high CPU core count and large memory capacity in a 1U form factor, making it suitable for applications that require substantial processing without occupying much rack space. Its 2x Gold 6130 CPUs provide 16 cores each, ideal for virtualization or compute-intensive tasks, while the 256GB RAM supports heavy multitasking. Compared to the R630 with fewer cores, the R440’s dual CPU setup makes it better suited for parallel workloads. The absence of pre-installed drives means additional purchase is necessary, which could increase initial costs. This server suits environments where space is limited but performance demands are high.
Pros:- High-core count dual Xeon Gold 6130 CPUs
- Large 256GB RAM capacity for heavy multitasking
- Compact 1U form factor saves rack space
- Flexible drive configuration (empty bays)
Cons:- No drives included, requiring extra investment
- Renewed product may have limited warranty
- Potentially higher total cost with added drives
Best for: Virtualization hosts or compute-intensive applications in space-constrained data centers
Not ideal for: Organizations seeking out-of-the-box storage or those unwilling to purchase additional drives
- Processor:2x Gold 6130 2.1GHz
- Cores:16 cores per CPU
- RAM:256GB DDR4
- Drive Bays:4
- Form Factor:1U
- Condition:Renewed
Our verdict“This server is best for dense, compute-heavy workloads where maximizing space and processing power is essential, provided you’re prepared for additional drive costs.”
Dell PowerEdge R630 8-Bay SFF 1U Rackmount Server, 2x Xeon E5-2690 V3 2.6GHz, 128GB DDR4 RAM, 4 Trays, 2 Power Supplies, 1 Year Warranty
The Dell PowerEdge R630 provides a versatile platform with 8 drive bays and dual Xeon E5-2690 v3 processors, making it suitable for a wide range of enterprise tasks. Its 128GB DDR4 ECC memory offers a good balance of performance and cost-effectiveness, while the redundant power supplies add reliability. Compared to the R440, which emphasizes processing and space efficiency, the R630 offers more storage flexibility and mature enterprise features, though it remains compact at 1U. Its included drive trays and RAID controller support data redundancy, but as a renewed product, warranty coverage might be limited, and setup could be complex for less experienced users.
Pros:- Solid dual Xeon E5-2690 v3 processors
- Reliable 128GB ECC RAM for multitasking
- Redundant power supplies for uptime
- Includes RAID controller and multiple drive trays
Cons:- Renewed product possibly has warranty constraints
- Designed for enterprise use, which might be complex for novices
- Limited storage expansion beyond 8 bays
Best for: Medium-sized enterprises needing flexible storage with reliable performance
Not ideal for: Small businesses or home labs that don’t require enterprise-grade features or complex configurations
- Processor:2x Xeon E5-2690 V3 2.6GHz
- Cores:12 cores per CPU
- RAM:128GB DDR4
- Drive Bays:8
- Form Factor:1U
- Warranty:1 Year
Our verdict“A flexible, enterprise-ready server suitable for mid-sized organizations that value reliability and moderate storage capacity.”
HP ProLiant DL360 G7 1U Rackmount Server with Dual Xeon X5650, 32GB RAM, 8x146GB SAS HDD, P410i RAID
This older-generation HP ProLiant DL360 G7 offers dual Xeon X5650 processors and 32GB RAM, making it suitable for budget-conscious setups that still require robust processing. Its 8 SAS drives provide decent storage capacity for less demanding applications, and the P410i RAID enhances data protection. Compared to newer models like the R440, which feature newer CPUs and higher RAM capacity, the G7’s hardware is dated, potentially lacking modern features and energy efficiency. Its noise levels under load could be high, and it lacks out-of-the-box OS support, requiring additional setup. This server suits budget projects or legacy system replacements where initial cost matters most.
Pros:- Dual Xeon X5650 processors with 12 cores total
- Decent 8-drive SAS storage for basic needs
- Affordable entry point for rackmount servers
- Includes RAID for data protection
Cons:- Older hardware with potential for lower energy efficiency
- No operating system included, additional setup required
- Limited RAM and outdated components may affect performance
Best for: Budget-sensitive users needing reliable processing for legacy or less demanding workloads
Not ideal for: Modern enterprise environments requiring current hardware, energy efficiency, or extensive storage
- Processor:2x Xeon X5650 2.66GHz
- Cores:12 cores total
- RAM:32GB
- Hard Drives:8x 146GB SAS
- RAID Controller:P410i
- Form Factor:1U
Our verdict“This server is a cost-effective choice for legacy workloads or basic enterprise needs where budget is a priority, despite its dated hardware.”

How We Picked
These servers were selected based on a combination of performance benchmarks, build quality, expandability, and value for money. We prioritized models that balance raw power with practical features, such as scalable RAM and storage options, to suit various enterprise needs. Each product was evaluated for ease of maintenance, energy efficiency, and compatibility with common data center setups. Rankings reflect a mix of newer and proven models, emphasizing those that provide reliable performance over time. This approach ensures you get options suitable for different budgets and technical requirements, making the list both comprehensive and relevant.
Factors to Consider When Choosing Rackmount Server
Choosing the right rackmount server involves considering several key factors beyond just raw specifications. Understanding your workload needs, future growth plans, and technical environment can help you avoid costly mismatches. Here are the main criteria to keep in mind:Performance and Scalability
Focus on CPU cores, clock speeds, and RAM capacity to match your workload demands. For heavy virtualization or data processing, prioritize multi-core processors and ample memory. Scalability is equally important—look for servers that support easy upgrades of RAM, storage, and network interfaces, ensuring your investment remains viable as your needs grow.
Storage Options and Capacity
Assess your data storage needs carefully. Some servers excel with multiple drive bays, allowing for extensive HDD or SSD arrays, while others are optimized for speed with faster NVMe drives. Balance your current requirements against future expansion, and consider RAID support for redundancy and reliability.
Manageability and Maintenance
Features like remote management ports, hot-swappable drives, and comprehensive diagnostics reduce downtime and simplify upkeep. Avoid models with limited access panels or complex layouts that make repairs more cumbersome. Think about the technical skill level required for ongoing maintenance to prevent surprises.
Power Efficiency and Noise
Energy consumption impacts operating costs, especially in larger deployments. Look for servers with energy-efficient power supplies and low-noise operation if you’ll place them in shared environments. Balancing performance with power efficiency can lead to significant long-term savings.
Budget and Total Cost of Ownership
While a higher upfront cost can mean better features or longer lifespan, it’s vital to consider ongoing expenses like energy, maintenance, and support. Refurbished or older models may save money initially but could incur higher support costs or limit future upgrades. Matching your budget with your technical needs ensures sustainable growth without overspending.
Frequently Asked Questions
Can I upgrade the CPU in a rackmount server later?
Upgrading CPUs in rackmount servers depends on the model and socket compatibility. Many enterprise-grade servers support CPU upgrades, but often only within the same generation or socket type. Before purchasing, verify the manufacturer’s specifications to confirm upgrade paths, and consider the potential need for BIOS updates or other compatibility considerations. Upgrades can extend your server’s lifespan, but they may also come with limitations depending on the hardware design.
What is the typical lifespan of a rackmount server?
The lifespan of a rackmount server generally ranges from 3 to 5 years, with proper maintenance and support. High-quality models can last longer if kept in optimal conditions, with firmware updates and hardware replacements as needed. However, as technology advances, older servers may become less efficient or incompatible with new software, making timely upgrades or replacements advisable to maintain performance and security.
Should I buy a refurbished or new server?
Refurbished servers often provide significant savings and can be a practical choice for budget-conscious buyers. Reputable refurbishers thoroughly test and restore hardware, offering warranties that mitigate some risks. However, they may not include the latest features or hardware revisions, and support options might be limited. New servers typically come with full warranties and the latest technology, making them preferable for critical applications where reliability is paramount.
How important is remote management capability?
Remote management tools, like iDRAC or iLO, are vital for efficient server administration, especially in larger deployments. They allow you to monitor health, perform diagnostics, and even troubleshoot issues without physical access, reducing downtime. For environments where quick response times are essential, investing in servers with robust management features can save time and prevent operational disruptions.
What should I consider regarding future expansion?
Planning for future growth involves assessing the number of drive bays, RAM slots, PCIe slots, and network interfaces. Ensure the server has room for upgrades that match your anticipated data and processing needs. Overlooking expansion possibilities can lead to early obsolescence or costly replacements down the line, so a slightly larger or more flexible model often provides better long-term value.
Conclusion
For buyers seeking the best overall performance with balanced features, the HP ProLiant DL360 G9 remains a solid choice. Those prioritizing cost-effectiveness and scalability should consider the Dell PowerEdge R640, especially with dual CPUs. Premium buyers looking for cutting-edge specs and future-proofing might lean toward high-end configurations like the Dell R640 with Xeon Gold processors. Beginners or smaller setups will appreciate the simplicity and reliability of models like the Dell R630. If your focus is on storage or specific workloads, models like the Dell R730xd provide ample capacity. Overall, matching your workload, budget, and future plans will guide you to the most suitable rackmount server.











