Finding a reliable short depth rackmount server can be challenging, especially when space is limited but performance still matters. The RackChoice 2U Rackmount Server Chassis stands out as the best overall for its balance of size and expandability. The InWin RF100-S450 offers a compact design with a powerful 450W power supply, ideal for tight spaces with high power needs. Meanwhile, the CyberPower UPS provides essential backup in a small form factor, perfect for critical applications. Buyers face tradeoffs between size, expandability, power, and affordability in this niche. Continue reading for a detailed breakdown of each option and how they compare.
RackChoice 2U Rackmount Server
Tripp Lite Rackmount Console S
RackChoice 2U Server Chassis S
RackChoice MicroATX/Mini-ITX 2
InWin 1U Short-Depth Rackmount
Complete the kit
Key Takeaways
The best short depth rackmount servers balance compact size with sufficient expandability and cooling options.Power supply support varies significantly; selecting the right wattage impacts future upgrades and reliability.Build quality and materials are critical for durability in cramped rack environments.Additional features like front I/O and integrated power backup can influence suitability for specific setups.Price points differ widely, with premium models offering more features but at a higher cost.
Our Top Short Depth Rackmount Server Picks
RackChoice 2U Rackmount Server Chassis for Micro-ATX and Mini-ITX MotherboardsBest Overall for Flexibility and ExpandabilityMotherboard Support: Micro-ATX, Mini-ITXDrive Bays: 7×3.5″ or 6×3.5″ + 1×2.5″Material: Aluminum front bezel, Zinc-coated steel chassisVIEW ON AMAZONSee Our Full BreakdownTripp Lite Rackmount Console Short Depth Steel with Keyboard, Touchpad, & 19-Inch LCDBest for Space-Constrained KVM OperationsDepth Compatibility: Minimum 19 inchesDisplay: 19-inch LCD, 1280×1024Power Supply: Auto sensing external power supplyVIEW ON AMAZONSee Our Full BreakdownRackChoice 2U Server Chassis Short Depth 14.17″ Front I/O with 2 x 3.5″ M.ATX SupportBest Compact 2U Chassis for Space-Sensitive InstallationsDepth: 14.17 inchesMotherboard Support: Micro-ATX, Mini-ITXDrive Bays: 1×3.5″VIEW ON AMAZONSee Our Full BreakdownRackChoice MicroATX/Mini-ITX 2U Rackmount Server Chassis with USB 3.0, Supports ATX PSU, BlackBest for High-Performance, Multi-Drive SetupsMotherboard Support: Micro-ATX, Mini-ITXDrive Bays: 9×3.5″Power Supply Support: Standard ATXVIEW ON AMAZONSee Our Full BreakdownInWin 1U Short-Depth Rackmount Server Chassis RF100-S450 with 450W Power SupplyBest Space-Efficient 1U Server for Critical ApplicationsForm Factor: 1U RackmountSupports: Standard ATXPower Supply: 450W 80+ PlatinumVIEW ON AMAZONSee Our Full BreakdownCyberPower CP1500PFCRM2U PFC Sinewave UPS Battery Backup, 1500VA/1000W, 8 Outlets, AVR, Short Depth 2U Rackmount, UL CertifiedBest for Reliable Power and Monitoring in Short-Depth RacksCapacity: 1500VA/1000WOutlets: 8 NEMA 5-15RForm Factor: 2U RackmountVIEW ON AMAZONSee Our Full Breakdown
More Details on Our Top Picks
RackChoice 2U Rackmount Server Chassis for Micro-ATX and Mini-ITX Motherboards
This 2U chassis excels in supporting a wide range of motherboard sizes, including Micro-ATX and Mini-ITX, making it highly adaptable for various server configurations. Compared with the RackChoice Short Depth 14.17″ Front I/O, it offers more drive bays and better cooling options, but its larger size may be less suitable for tight spaces. Its durable aluminum and steel construction promise longevity, while supporting up to 8 fans for enhanced airflow. The main tradeoff is that it’s limited to 2U rackspaces and requires an external power supply, which adds complexity to setup.
Best for: IT professionals building customizable, expandable rackmount servers in data centers or server rooms
Not ideal for: Small office environments with limited space or users seeking a compact, all-in-one solution
Motherboard Support:Micro-ATX, Mini-ITXDrive Bays:7×3.5″ or 6×3.5″ + 1×2.5″Material:Aluminum front bezel, Zinc-coated steel chassisCooling:Top or side air coolingPower Supply Support:Standard ATXForm Factor:2U rackmount
“This chassis suits users who need a versatile, expandable rackmount solution with ample cooling options, despite its larger size.”
Tripp Lite Rackmount Console Short Depth Steel with Keyboard, Touchpad, & 19-Inch LCD
This rackmount console is ideal for cabinets with a minimum depth of 19 inches, offering a full 19-inch LCD with high resolution. Unlike the InWin RF100-S450, which is more suited for space-limited servers, this console combines display and input devices into a single unit, simplifying management. Its compatibility with PS/2 and USB makes it versatile, but the need for an external power supply and the absence of touchscreen features limit its convenience. The console’s integrated design is less flexible for internal upgrades but saves space in short-depth racks.
Best for: Server administrators managing short-depth cabinets needing quick access and reliable display output
Not ideal for: Users requiring touchscreen control or those working in cabinets shallower than 19 inches
Depth Compatibility:Minimum 19 inchesDisplay:19-inch LCD, 1280×1024Power Supply:Auto sensing external power supplyConnectivity:PS/2 and USB
“This console is best suited for space-limited rack environments where simple, high-quality display access is needed without touchscreen features.”
RackChoice 2U Server Chassis Short Depth 14.17″ Front I/O with 2 x 3.5″ M.ATX Support
With a short depth of just 14.17 inches, this chassis prioritizes space efficiency while supporting Micro-ATX and Mini-ITX boards. Compared to the RackChoice 2U Rackmount Server Chassis for Micro-ATX and Mini-ITX Motherboards, it sacrifices some drive capacity—only one 3.5″ bay—but makes up for it with a smaller footprint. Its heavy-duty steel ensures durability in demanding environments, though internal component placement can be tight due to the limited depth and drive bay count. It’s a strong choice for those who need a sturdy, space-saving server case but don’t require extensive storage.
Best for: Small offices or remote sites needing a compact, durable rackmount chassis for basic server setups
Not ideal for: Users needing large drive arrays or extensive internal expansion options
Depth:14.17 inchesMotherboard Support:Micro-ATX, Mini-ITXDrive Bays:1×3.5″Material:Heavy-duty steel SGCC 1.2mmFan Support:Top 120mm or Side 80mmFront I/O:Yes
“This chassis suits environments where space is at a premium and storage needs are modest, but internal component flexibility is limited.”
RackChoice MicroATX/Mini-ITX 2U Rackmount Server Chassis with USB 3.0, Supports ATX PSU, Black
This 2U chassis supports up to 9 drive bays with 7 for Micro-ATX and 9 for Mini-ITX, making it ideal for dense storage needs compared to the RackChoice 2U Rackmount Server Chassis for Micro-ATX and Mini-ITX Motherboards. Its preinstalled cooling fans and durable steel construction boost reliability in demanding environments. However, the absence of a handle for cable management and the requirement for SATA adapters for some drives are minor inconveniences. Its support for multiple motherboards and large drive arrays makes it well-suited for data centers but less ideal for minimalistic setups.
Best for: Data centers or enterprise environments requiring high storage density and reliable airflow
Not ideal for: Small-scale or home lab users with limited space or simpler configurations
Motherboard Support:Micro-ATX, Mini-ITXDrive Bays:9×3.5″Power Supply Support:Standard ATXCooling Fans:4x80mm preinstalledMaterial:Steel, Aluminum handleDimensions:Depth 17.7 inches
“This chassis is designed for high-density storage environments where space and cooling efficiency are priorities, despite some minor setup inconveniences.”
InWin 1U Short-Depth Rackmount Server Chassis RF100-S450 with 450W Power Supply
The InWin RF100-S450 delivers a compact 1U design perfect for dense rack environments, supporting standard ATX motherboards and including a 450W high-efficiency power supply. Unlike larger chassis such as the RackChoice 2U chassis, it emphasizes minimal footprint over internal expansion, with only one PCIe slot requiring a riser. Its PWM fan support enhances cooling, but internal space constraints limit component flexibility. This makes it an excellent choice for space-critical deployments needing reliable power and cooling, though not for users with extensive expansion requirements.
Best for: Small data centers or enterprise racks emphasizing space-saving and energy efficiency
Not ideal for: Users requiring multiple PCIe expansion cards or large internal components
Form Factor:1U RackmountSupports:Standard ATXPower Supply:450W 80+ PlatinumFans:Supports three PWM fans, 2 pre-installedExpansion Slots:1 full-height PCIe (via riser)
“This chassis is optimal for environments where space and power efficiency are critical, but it’s less suitable for highly expandable server setups.”
CyberPower CP1500PFCRM2U PFC Sinewave UPS Battery Backup, 1500VA/1000W, 8 Outlets, AVR, Short Depth 2U Rackmount, UL Certified
The CyberPower CP1500PFCRM2U stands out for delivering high-quality sine wave power, essential for active PFC devices, making it a reliable choice over simpler models like the InWin RF100-S450. Its compact 2U rackmount form factor fits snugly into short-depth racks, a critical advantage where space is limited. The color LCD display provides detailed real-time status, surpassing more basic units that lack monitoring features, while the automatic voltage regulation helps extend battery life during fluctuating power conditions. However, with only 8 outlets, it may require a power strip for larger setups, and remote management features need optional cards, adding complexity and cost. The battery life span emphasizes the need for eventual replacement after around 3 years. Compared to standard UPS options, this model offers a balanced blend of performance and space-saving design, though it involves some additional investment for expansion or remote features.
Best for: Small to medium-sized data centers or A/V setups needing reliable backup power with real-time monitoring in tight rack spaces
Not ideal for: Large enterprise environments or users requiring extensive outlet counts without additional accessories
Capacity:1500VA/1000WOutlets:8 NEMA 5-15RForm Factor:2U RackmountDepth:10.5 inchesProtection Features:Surge protection, AVR, EMI/RFI filtrationCertifications:UL CertifiedWarranty:3 years including batteryAdditional Features:Color LCD panel, remote management options
“This UPS is well-suited for users needing reliable, space-efficient power backup with monitoring capabilities in short-depth rack environments.”
How We Picked
These products were evaluated based on size constraints, build quality, expandability, and ease of installation. Priority was given to models that truly maximize space efficiency without sacrificing key features like cooling, power, and accessibility. We also considered versatility in motherboard support, I/O options, and overall durability. The ranking reflects a balance between value and performance, favoring options that meet the needs of professional and enthusiast users alike. Products that combined compact design with good expandability and reliability earned higher placements, while tradeoffs like limited drive bays or lower wattage impacted lower rankings.
Factors to Consider When Choosing Short Depth Rackmount Server
Choosing a short depth rackmount server involves weighing several important factors. Space constraints are obvious, but understanding your current and future needs in power, expandability, and cooling will ensure you select a model that fits both your rack and your workload. Compatibility with your hardware, ease of maintenance, and budget are also key considerations. This guide explores these factors in detail to help you make an informed decision beyond just size.
Size and Form Factor
While the primary goal is to find a model that fits into limited rack space, pay attention to the exact depth and overall dimensions. Some chassis are designed for 2U racks but have varying front and rear clearance, which impacts airflow and cable management. Ensuring the depth aligns with your rack’s available space is essential, but also consider how the size affects internal airflow and cooling — a smaller chassis may limit airflow and lead to heat buildup.
Power and Expandability
Power supply support, especially wattage and form factor, can significantly influence future upgrades. A model with support for higher wattage PSU offers more flexibility for adding drives or upgraded components. Expandability, such as drive bays and PCI slots, also varies — some short depth servers pack in multiple drive bays, while others prioritize minimal size at the expense of expansion. Clarify your current needs and anticipate future growth to avoid costly replacements later.
Build Quality and Materials
Durability matters in rack environments where vibration, heat, and frequent maintenance are common. Look for models with sturdy steel or high-quality materials that resist bending and corrosion. Ventilation and cooling features, such as front-to-rear airflow paths and filter options, are also part of the build quality that impacts long-term reliability. Cheaper materials may save money upfront but could lead to faster wear and potential failures.
Cooling and Ventilation
Effective cooling is often overlooked but critical in compact racks. Smaller chassis tend to have limited airflow, so assess the cooling options—fans, vents, and airflow design—carefully. Some models incorporate noise reduction features, which can be beneficial in quieter environments. Poor cooling can cause overheating and reduce component lifespan, making this an essential consideration even in space-constrained setups.
Additional Features and Accessories
Extras like front panel I/O, USB ports, and integrated power backup options can streamline setup and maintenance. For instance, a chassis with front I/O makes connecting peripherals easier in tight spaces. Power backup solutions like UPS units are vital for protecting sensitive data, and some rackmount models support integrated or compatible backup options. Weigh these features against your specific needs to avoid buying unnecessary extras or missing key functionalities.
Frequently Asked Questions
Can I upgrade components in a short depth rackmount server later?
Upgrading components in a short depth rackmount server depends on the chassis design and internal layout. Many compact models support adding RAM, drives, or even replacing power supplies, but limited internal space can restrict larger upgrades. Carefully check the supported hardware specifications and expansion options before purchase to ensure future compatibility. Additionally, consider how accessible internal components are for maintenance or upgrades, as cramped spaces can complicate these tasks.
Is a smaller rackmount server less reliable or less powerful?
Not necessarily. While smaller chassis limit internal space for components, many manufacturers design these models with quality materials and efficient airflow to maintain reliability. Power and performance depend more on the installed hardware and cooling solutions than on size alone. However, very compact models may have fewer expansion options or lower wattage support, which can impact future upgrade potential or high-power configurations.
How important is cooling in a short depth rackmount server?
Cooling is critical in compact rackmount servers because limited space often reduces airflow. Overheating can cause hardware failures or reduce lifespan. Look for models with well-designed airflow paths, multiple fans, and filters if needed. Proper cooling not only maintains performance but also minimizes noise and energy consumption, making it a key factor in choosing a reliable short depth server.
What should I prioritize: size or expandability?
Deciding between size and expandability depends on your current needs and future plans. If space is severely limited, prioritize a model with the smallest footprint that meets your basic requirements. However, if you anticipate upgrading hardware or expanding storage later, choose a slightly larger chassis that supports additional drives or higher wattage power supplies. Balancing these factors ensures your setup remains flexible without sacrificing essential space constraints.
Are integrated power backup solutions necessary for short depth rackmount servers?
Integrated or compatible power backup solutions like UPS units are often essential for protecting data and maintaining uptime, especially in critical or remote installations. While not always built into the chassis, choosing a model compatible with compact UPS units can save space and streamline setup. In environments where power stability is a concern, investing in a backup solution tailored for rackmount setups is highly advisable, even in space-constrained configurations.
Conclusion
For those seeking an overall balance of size, expandability, and reliability, the RackChoice 2U Rackmount Server Chassis emerges as the best choice. Budget-conscious buyers will find the RackChoice MicroATX/Mini-ITX chassis offers solid performance at a lower cost, while premium users needing maximum durability and features might prefer specialized high-end models. Beginners should prioritize models with straightforward installation and good documentation, like the InWin RF100-S450. Finally, anyone with critical data should consider including a UPS solution for added peace of mind. Each of these picks targets specific needs, helping you find the right fit for your space and workload.