If you’re looking for the best 1U rackmount servers for 2026, I recommend options like InWin’s versatile chassis, the compact ASRock Rack 1U2S-B650, and popular models like the Dell PowerEdge R630 and HP ProLiant DL360p. These servers combine high performance, efficient cooling, and expandability, making them ideal for data centers. Keep exploring to discover more about choosing the right server to power your infrastructure efficiently.
Key Takeaways
- Select versatile 1U servers supporting various motherboard sizes (Mini-ITX, ATX, MicroATX) for compatibility and expandability.
- Prioritize high-efficiency power supplies (80 Plus Gold/Platinum) to reduce energy costs and enhance reliability.
- Focus on thermal management features like PWM fans and optimized airflow to ensure consistent cooling.
- Opt for models with scalable storage options and multiple network interfaces for data center performance.
- Consider space-efficient shallow-depth chassis and remote management capabilities for easy maintenance and deployment.
| IN-WIN 1U Mini-ITX Rackmount Server Chassis | ![]() | Compact Powerhouse | Form Factor: 1U mini-ITX rackmount | Power Supply Wattage: 265W | Drive Bays: 2x 2.5″, 2x 3.5″ | VIEW LATEST PRICE | See Our Full Breakdown |
| 19-Inch 1U Rackmount Server Chassis with USB Ports | ![]() | Industrial Reliability | Form Factor: 1U rackmount | Power Supply Wattage: 315W | Drive Bays: 2x 2.5″ hot-swappable, 1x 3.5″ | VIEW LATEST PRICE | See Our Full Breakdown |
| ASRock Rack 1U2S-B650 Compact Server Barebone | ![]() | Enterprise Ready | Form Factor: 1U rackmount | Power Supply Wattage: 315W | Drive Bays: 2x 2.5″ SATA, 1x 3.5″ SATA or Slim ODD | VIEW LATEST PRICE | See Our Full Breakdown |
| InWin RA100 1U Rackmount Server Chassis with Power | ![]() | Space Saver | Form Factor: 1U rackmount | Power Supply Wattage: Up to 315W | Drive Bays: 3x 40mm fans, HDD bays support multiple drives | VIEW LATEST PRICE | See Our Full Breakdown |
| In-Win IW-RF100-S315 1U Rackmount Server Chassis | ![]() | Versatile Compatibility | Form Factor: 1U rackmount | Power Supply Wattage: 315W | Drive Bays: 2x 2.5″, 1x 3.5″ | VIEW LATEST PRICE | See Our Full Breakdown |
| HP ProLiant DL360 G7 1U Server with Xeon CPUs | ![]() | Budget Enterprise | Form Factor: 1U rackmount | Power Supply Wattage: Dual power supplies (Wattage varies) | Drive Bays: 8 SAS drives, no specific bay count | VIEW LATEST PRICE | See Our Full Breakdown |
| Dell PowerEdge R630 Server with Xeon E5-2660 V3 | ![]() | High Performance | Form Factor: 1U rackmount | Power Supply Wattage: 750W (redundant) | Drive Bays: 4x 2.5″ drives | VIEW LATEST PRICE | See Our Full Breakdown |
| HP ProLiant DL360p Gen8 1U Server with CPUs & RAM | ![]() | Balanced Performance | Form Factor: 1U rackmount | Power Supply Wattage: Dual 750W | Drive Bays: 8 SAS drives | VIEW LATEST PRICE | See Our Full Breakdown |
| Supermicro Xeon D-1521 1U Rackmount Server | ![]() | Remote Management | Form Factor: 1U rackmount | Power Supply Wattage: Not specified (supports 10GbE, IPMI) | Drive Bays: Supports multiple storage options (not specified) | VIEW LATEST PRICE | See Our Full Breakdown |
More Details on Our Top Picks
IN-WIN 1U Mini-ITX Rackmount Server Chassis
If you’re looking for a compact and efficient 1U rackmount server chassis, the IN-WIN IW-RF100S-S265 is an excellent choice, especially for space-constrained setups. I appreciate its shallow depth of just 9.8 inches, making it perfect for tight environments. It supports mini-ITX motherboards and offers tool-free drive bays for easy installation of 2x 2.5-inch and 2x 3.5-inch HDDs. The chassis features three 40x28mm fans that ensure proper airflow and cooling. Plus, the 265W 80+ Bronze certified power supply delivers reliable, energy-efficient power, making it a solid, space-saving option.
- Form Factor:1U mini-ITX rackmount
- Power Supply Wattage:265W
- Drive Bays:2x 2.5″, 2x 3.5″
- Cooling Features:3x 40x28mm fans
- Connectivity Options:No explicit front I/O, supports standard connections
- Compatibility / Motherboard Support:Supports mini-ITX only
- Additional Feature:Tool-free drive bays
- Additional Feature:Compact 9.8-inch depth
- Additional Feature:No PCI expansion slots
19-Inch 1U Rackmount Server Chassis with USB Ports
The Inch 1U Rackmount Server Chassis with USB Ports stands out as an ideal choice for professionals who need reliable, high-speed connectivity in a compact form factor. Its 19-inch design supports multiple motherboard types like ATX, MicroATX, and ITX, making it versatile for various setups. The ventilated front panel ensures excellent airflow, keeping components cool during intensive use. Front-facing USB 3.0 and USB 2.0 ports provide quick peripheral access, while internal bays support hot-swappable 2.5-inch drives for easy maintenance. With optional sliding rails and a sturdy build, this chassis balances expandability, cooling, and connectivity—perfect for demanding data center environments.
- Form Factor:1U rackmount
- Power Supply Wattage:315W
- Drive Bays:2x 2.5″ hot-swappable, 1x 3.5″
- Cooling Features:3 fans, ventilated front
- Connectivity Options:Front USB 3.0 & 2.0 ports
- Compatibility / Motherboard Support:Supports ATX, MicroATX, ITX
- Additional Feature:Supports hot-swappable drives
- Additional Feature:Self-cut I/O plate
- Additional Feature:Multiple motherboard support
ASRock Rack 1U2S-B650 Compact Server Barebone
Designed for small-scale enterprise deployments and advanced hobbyist setups, the ASRock Rack 1U2S-B650 Compact Server Barebone offers a streamlined, space-saving solution. Its 1U rackmount form factor accommodates dual 2.5″ SATA drive bays and a fixed 3.5″ SATA or Slim ODD bay, supporting hot-swappable drives for easy maintenance. Powered by a 315W 80-PLUS Gold certified PSU, it guarantees energy efficiency. Compatible with AMD Ryzen 7000 series processors and featuring four DDR5 ECC or non-ECC UDIMM slots, it delivers solid performance. Dual 1G LAN ports provide reliable network connectivity, making this barebone an ideal choice for compact, high-performance data center setups.
- Form Factor:1U rackmount
- Power Supply Wattage:315W
- Drive Bays:2x 2.5″ SATA, 1x 3.5″ SATA or Slim ODD
- Cooling Features:Supports hot-swappable drives, cooling implied
- Connectivity Options:No explicit USB ports mentioned
- Compatibility / Motherboard Support:Supports AMD Ryzen 7000 series, single socket
- Additional Feature:Supports AMD Ryzen 7000
- Additional Feature:DDR5 ECC memory support
- Additional Feature:Dual 1G LAN ports
InWin RA100 1U Rackmount Server Chassis with Power
For those seeking a compact yet powerful server chassis, the InWin RA100 stands out with its efficient use of space and robust cooling system. Measuring just 15 inches deep, it’s optimized for easy HDD deployment and storage. It supports three PWM fans, with two pre-installed, ensuring excellent thermal management and reliable cooling performance. The chassis is compatible with a 1U Flex power supply up to 315W, providing ample power for most server needs. Front-mounted USB 3.0 ports allow quick data transfer and connectivity. Overall, the InWin RA100 combines space efficiency, thermal performance, and accessible connectivity, making it ideal for compact data center setups.
- Form Factor:1U rackmount
- Power Supply Wattage:Up to 315W
- Drive Bays:3x 40mm fans, HDD bays support multiple drives
- Cooling Features:3x 40x28mm PWM fans
- Connectivity Options:2 USB 3.0 ports
- Compatibility / Motherboard Support:Not specified
- Additional Feature:Compatible with 315W PSU
- Additional Feature:Pre-installed PWM fans
- Additional Feature:Front USB 3.0 ports
In-Win IW-RF100-S315 1U Rackmount Server Chassis
If you’re looking for a compact yet versatile chassis that fits into tight server rooms, the In-Win IW-RF100-S315 1U Rackmount Server Chassis is an excellent choice. It features a short depth design, supporting Mini-ITX or ATX motherboards, perfect for space-constrained environments. The chassis includes a 315W 80+ Bronze Flex power supply, ensuring reliable power. Its tool-free drive bays support two 2.5-inch HDDs and one 3.5-inch HDD, simplifying maintenance. Additionally, it accommodates up to three 40x28mm cooling fans and has a full-height PCI slot, providing ample expansion options while maintaining a compact footprint.
- Form Factor:1U rackmount
- Power Supply Wattage:315W
- Drive Bays:2x 2.5″, 1x 3.5″
- Cooling Features:3x 40x28mm fans
- Connectivity Options:No specific I/O details
- Compatibility / Motherboard Support:Supports mini-ITX or ATX
- Additional Feature:Supports ATX motherboards
- Additional Feature:Tool-free drive installation
- Additional Feature:Full-height PCI slot
HP ProLiant DL360 G7 1U Server with Xeon CPUs
The HP ProLiant DL360 G7 1U Server with Xeon CPUs stands out as an excellent choice for small to medium-sized enterprises seeking reliable, high-performance server solutions within tight space constraints. It features dual Intel Xeon X5650 six-core processors, 32GB RAM, and eight 146GB SAS drives, delivering solid processing power and storage capacity. Designed for energy efficiency with HP Thermal Logic and equipped with remote management via HP iLO 3, it ensures smooth operation. Weighing about 38 pounds, it’s a compact, durable, and tested renewed unit. Perfect for demanding data centers that need dependable performance in a compact form factor.
- Form Factor:1U rackmount
- Power Supply Wattage:Dual power supplies (Wattage varies)
- Drive Bays:8 SAS drives, no specific bay count
- Cooling Features:Fans not explicitly specified
- Connectivity Options:Not specified
- Compatibility / Motherboard Support:Not specified (enterprise grade)
- Additional Feature:Dual Xeon X5650 processors
- Additional Feature:12-core total processing
- Additional Feature:Remote management via iLO 3
Dell PowerEdge R630 Server with Xeon E5-2660 V3
The Dell PowerEdge R630 with Xeon E5-2660 V3 stands out as an ideal choice for IT professionals seeking a reliable, space-efficient server capable of handling demanding workloads. This 1U rackmount features an 8-bay SFF design, powered by an Intel Xeon E5-2660 V3 processor with 10 cores and a 25MB cache, ensuring solid performance. It comes with 16GB DDR4 ECC registered RAM, providing stability for critical applications. Storage-wise, it has four 300GB 15K SAS drives managed by a Dell PERC H730 RAID controller. Redundant 750W power supplies add reliability, making it a versatile, high-capacity option for data centers.
- Form Factor:1U rackmount
- Power Supply Wattage:750W (redundant)
- Drive Bays:4x 2.5″ drives
- Cooling Features:Not specified
- Connectivity Options:No specific I/O details
- Compatibility / Motherboard Support:Supports standard server motherboards (SFF)
- Additional Feature:10-core Xeon E5-2660 V3
- Additional Feature:Redundant 750W power
- Additional Feature:Four SAS drives included
HP ProLiant DL360p Gen8 1U Server with CPUs & RAM
Designed for enterprise environments, the HP ProLiant DL360p Gen8 1U Server excels in handling demanding workloads thanks to its dual 6-core Intel Xeon E5-2640 processors and 64GB of RAM. It features eight 300GB 10K SAS drives, a P420i RAID controller, and four Gigabit Ethernet NICs, providing robust storage and network connectivity. The server’s 1U form factor makes it ideal for space-constrained data centers. Although refurbished, it’s professionally tested and backed by Amazon Renewed, ensuring reliable performance. With a maximum memory speed of 2.5GHz and solid build quality, it’s a balanced choice for virtualization, data processing, and enterprise applications.
- Form Factor:1U rackmount
- Power Supply Wattage:Dual 750W
- Drive Bays:8 SAS drives
- Cooling Features:Not specified
- Connectivity Options:Not specified
- Compatibility / Motherboard Support:Supports multiple drive types, standard server
- Additional Feature:Supports dual Xeon E5-2640
- Additional Feature:64GB RAM capacity
- Additional Feature:Multiple storage bays
Supermicro Xeon D-1521 1U Rackmount Server
If you’re looking for a compact, high-performance server that fits seamlessly into tight data center spaces, the Supermicro Xeon D-1521 1U Rackmount Server is an excellent choice. Its mini 1U form factor offers a space-saving design with front I/O ports for easy access. Powered by the Intel Xeon D-1521, it delivers 4 cores at 2.7 GHz, ensuring robust performance. The server supports 10GbE networking for fast data transfers and includes IPMI for remote management, along with RS-232 serial ports for added control. Designed for efficient rack installation, it’s perfect for data centers needing reliable, scalable, and space-efficient solutions.
- Form Factor:1U rackmount
- Power Supply Wattage:Not specified (supports 10GbE, IPMI)
- Drive Bays:Supports multiple storage options (not specified)
- Cooling Features:Not specified
- Connectivity Options:IPMI, serial ports, high-speed network (10GbE)
- Compatibility / Motherboard Support:Not specified, designed for rack installation
- Additional Feature:Supports 10GbE networking
- Additional Feature:IPMI remote management
- Additional Feature:Space-efficient compact design
Factors to Consider When Choosing a 1U Rackmount Server

When selecting a 1U rackmount server, I focus on key factors like hardware compatibility, cooling, and power efficiency to guarantee reliable performance. I also consider expansion options, connectivity, and the overall size to fit my space and future needs. These points help me choose a server that meets both current demands and long-term growth.
Compatibility With Hardware
Choosing a compatible 1U rackmount server starts with guaranteeing the chassis supports your specific hardware components. First, confirm the motherboard form factor—whether Mini-ITX, ATX, or MicroATX—fits within the chassis, as this affects compatibility with your CPU and RAM. Next, verify the chassis provides enough drive bays, expansion slots, and I/O ports for your current and future needs. Power is critical too; the power supply wattage and connectors must match your hardware’s requirements to ensure stability and efficiency. Additionally, check that the chassis supports the correct processor socket type and memory standards like DDR4 or DDR5. Finally, guarantee the ventilation options suit your hardware’s thermal demands, preventing overheating during intensive workloads. Proper compatibility guarantees system stability and future scalability.
Cooling and Ventilation
Effective cooling and ventilation are essential for maintaining ideal performance and reliability in a 1U rackmount server. Proper airflow prevents overheating, ensuring that components operate efficiently and last longer. Front and rear ventilation panels or grills are crucial, as they facilitate airflow and help dissipate heat effectively. Incorporating high-quality fans, such as PWM or 4025 models, enhances thermal management by actively moving air through the chassis. Good airflow design minimizes hot spots and maintains a stable temperature across all hardware. Regular maintenance of cooling components is also indispensable to keep ventilation systems working at their best and to extend the lifespan of the server’s hardware. Prioritizing cooling and ventilation ensures your server runs smoothly and remains dependable under heavy workloads.
Power Supply Efficiency
High-efficiency power supplies are essential for optimizing the performance and reliability of a 1U rackmount server. An 80 Plus certification indicates reduced energy loss, which lowers operational costs and improves energy savings. Gold or Platinum certified power supplies typically deliver better efficiency, generating less heat and enhancing overall system reliability. Choosing a power supply with a higher wattage rating guarantees enough headroom for peak loads and future upgrades without sacrificing efficiency. Efficient power supplies also contribute to system stability by maintaining consistent voltage levels and reducing power fluctuations. Additionally, improved efficiency can extend component lifespan, reducing maintenance and replacement costs. In data center environments, these factors collectively help ensure continuous operation, energy savings, and long-term durability for your server investments.
Expansion and Connectivity
When selecting a 1U rackmount server, it’s crucial to evaluate its expansion and connectivity options to guarantee it meets your current and future needs. Ensure it has enough USB, Ethernet, and serial ports for your peripherals and external devices. Hot-swappable drive bays are essential for easy maintenance and upgrades without server downtime. Front-facing ports enable quick access to peripherals, saving time during setup or troubleshooting. Check for multiple PCI or PCIe expansion slots to add network adapters, storage controllers, or other cards as your requirements grow. Additionally, verify that the chassis supports the necessary power supplies and internal cabling to facilitate seamless expansion. These factors ensure your server remains versatile, adaptable, and capable of supporting your evolving infrastructure.
Space and Dimensions
Choosing the right 1U rackmount server requires careful attention to its space and dimensions to make certain it fits seamlessly into your existing setup. Most 1U servers have a height of about 1.75 inches, fitting standard 19-inch racks effortlessly. Depth varies from 14 to 17 inches, though some models are as shallow as 9.8 inches, ideal for tight spaces. When selecting a server, consider the overall dimensions—width and depth—to ensure compatibility with your rack enclosure. Precise depth measurements are essential for proper airflow, cable management, and clearance. If space is limited, opting for a shallower model maximizes rack density without sacrificing performance or accessibility. Always double-check your current rack’s dimensions to avoid fitting issues down the line.
Performance Capabilities
Selecting a 1U rackmount server that meets your performance needs requires carefully evaluating its processor, memory, storage, and connectivity features. First, confirm the processor type and core count align with your application demands, whether for intensive computing or multitasking. Check the supported RAM capacity and type to guarantee enough memory for smooth data processing and multitasking. Verify storage options, including drive bays and compatibility with hot-swappable drives, to optimize data access speeds and ease maintenance. Consider network connectivity features like multiple LAN ports and high-speed interfaces such as 10GbE to ensure reliable and fast data transfer. Finally, assess the server’s support for hardware upgrades and expansion options, so your infrastructure remains future-proof as your data needs grow.
Manageability Features
Effective manageability features are indispensable for maximizing the performance and reliability of 1U rackmount servers. Remote management tools like IPMI, iLO, or proprietary modules enable me to monitor and control servers from anywhere, saving time and reducing downtime. Support for remote console access allows troubleshooting and configuration without physical presence, boosting operational efficiency. Built-in health sensors provide real-time data on temperature, voltage, and fan speeds, helping me identify issues early and perform proactive maintenance. Compatibility with management software allows centralized control, firmware updates, and automated alerts across multiple servers. Features such as serial port access and detailed logging improve diagnostic capabilities, ensuring I can quickly resolve issues and maintain long-term stability. These manageability tools are vital for efficient and reliable data center operations.
Frequently Asked Questions
What Are the Key Differences Between Various 1U Rackmount Server Brands?
The key differences between various 1U rackmount server brands lie in build quality, performance, and features. I’ve noticed that some brands like Dell and HPE focus on reliability and extensive support, while brands like Supermicro offer high customization and affordability. Others, such as Lenovo, balance performance with energy efficiency. Ultimately, it depends on your specific needs, budget, and preferred management tools, which shape my choice.
How Scalable Are 1U Rackmount Servers for Future Data Center Growth?
I believe 1U rackmount servers are quite scalable for future data center growth. They allow me to add more units easily as my needs expand, and I can upgrade components like RAM and storage without much hassle. Plus, they support high-density configurations, which helps maximize space efficiency. Overall, they give me the flexibility I need to grow my data center without overhauling my infrastructure.
What Security Features Are Typically Included in 1U Rackmount Servers?
1U rackmount servers usually come with robust security features like TPM modules, hardware encryption, and secure boot options to protect your data. I’ve found that they often include remote management tools, such as IPMI or iLO, enabling secure access and monitoring. These features help safeguard your infrastructure from cyber threats, ensuring your data stays protected while maintaining easy management and quick response capabilities.
How Do Power Consumption and Efficiency Compare Among 1U Server Models?
When it comes to power consumption and efficiency, I always say, “You get what you pay for.” Higher-end 1U servers tend to be more energy-efficient, using advanced power supplies and better thermal management, which cuts costs long-term. Cheaper models may sip less power initially but often lack the efficiency features, leading to higher operating costs. So, I recommend investing in models with strong energy ratings for peak performance and savings.
What Maintenance and Upgrade Options Are Available for 1U Rackmount Servers?
Maintenance and upgrades for 1U rackmount servers are straightforward. I can easily access components like RAM, drives, and fans for upgrades or replacements. Many models support hot-swappable parts, minimizing downtime. Additionally, I keep firmware and software updated to guarantee peak performance and security. Regular cleaning and inspection help prevent overheating. Overall, these servers are designed for ease of maintenance, allowing me to keep my data center running smoothly.
Conclusion
Did you know that 1U rackmount servers can boost data center efficiency by up to 30%? Choosing the right one is vital for performance and scalability. Whether you’re building a compact mini-ITX setup or a powerhouse like the Dell PowerEdge R630, these options can transform your infrastructure. I hope this list helps you find the perfect fit to power your data center’s future—because the right server really makes all the difference.








