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Rosewill 2U Server Chassis Rackmount Case | 4 x 3.5" HDD Bays | Micro-ATX Compatible | 3 x 80mm PWM Fans | 2 x USB 3.0 | Silver/Black - RSV-Z2600U
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  • $119.99
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  • $99.99 
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Rosewill THOR NAS - Full Tower Workstation Case | Server Chassis | Supports up to 11 x 3.5" HDD and 13 x 2.5" SSD | E-ATX Compatible | 1 x 140mm PWM Fan | USB 3.2 Type-C | Ideal for AI Servers
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in 30 days
Rosewill THOR NAS - Full Tower Workstation Case | Server Chassis | Supports up to 11 x 3.5" HDD and 13 x 2.5" SSD | E-ATX Compatible | 1 x 140mm PWM Fan | USB 3.2 Type-C | Ideal for AI Servers
  • Motherboard Compatibility: 12" x 13" E-ATX; 12" x 9.6" ATX, 11.2" x 8.2" Mini-ATX and below
  • Power Supply: Supports ATX power supply
  • Internal 3.5" Drive Bays: 11
  • Expansion Slots: 10
  • Model #: THOR NAS
Rosewill 4U Rackmount Server Chassis | Supports up to 24 x 3.5" 12Gbps Hot Swap SATA/SAS | E-ATX & SSI-EEB Compatible | 3 x 120x38mm PWM Fan | RSV-H424
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  • $499.99 
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RM51 5U rackmount server chassis with dual 180mm fans and enhanced liquid cooling compatibilit
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RM51 5U rackmount server chassis with dual 180mm fans and enhanced liquid cooling compatibilit
  • Motherboard Compatibility: Micro ATX / ATX/ Mini ITX/ EATX/ SSI EEB/ SSI CEB
  • Max CPU Cooler Height: 192 mm
  • Max GPU Length: 455 mm
  • Max PSU Length: 190 mm
  • Model #: RM51
Rosewill 3U Server Chassis Rackmount Case | 6 x 3.5" Bays | ATX Compatible | 2 x 80mm Fans | 2 x USB 3.0 | Silver/Black - RSV-Z3100U
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Silverstone RM44 4U rackmount server chassis with enhanced liquid cooling compatibility
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Silverstone RM44 4U rackmount server chassis with enhanced liquid cooling compatibility
  • Motherboard Compatibility: Micro ATX / ATX/ Mini ITX/ EATX/ SSI EEB/ SSI CEB
  • Max CPU Cooler Height: 148 mm
  • Max GPU Length: 424 mm
  • Max PSU Length: 255 mm
  • Model #: RM44
Rosewill THOR NAS Pro - Full Tower Workstation Case | Server Chassis | Supports up to 8 3.5" Hot-Swap 3.5"/2.5" SATA/SAS and 4 x 2.5" SSD | E-ATX Compatible | 1 x 140mm PWM Fan | USB 3.2 Type-C
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in 30 days
Rosewill
Rosewill THOR NAS Pro - Full Tower Workstation Case | Server Chassis | Supports up to 8 3.5" Hot-Swap 3.5"/2.5" SATA/SAS and 4 x 2.5" SSD | E-ATX Compatible | 1 x 140mm PWM Fan | USB 3.2 Type-C
  • Motherboard Compatibility: 12" x 13" E-ATX; 12" x 9.6" ATX, 11.2" x 8.2" Mini-ATX and below
  • Power Supply: Supports ATX power supply
  • Hot-Swap Drive Bays: 8
  • Internal 3.5" Drive Bays: 2
  • Model #: THOR NAS PRO
Rosewill 2U Server Chassis Rackmount Case | 4 x 3.5"/2.5" HDD, 1 x 5.25" Device | Micro-ATX Compatible | 2 x 80mm PWM Fans | 2 x USB 3.0 | Silver/Black - RSV-Z2700U
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  • $129.99
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  • $109.99 
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SilverStone RM52 Black Steel 5U Rackmount Server Chassis
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SilverStone RM52 Black Steel 5U Rackmount Server Chassis
  • Brand: SilverStone
  • Color: Black
  • Case Material: Steel
  • Form Factor: 5U
  • Model #: RM52
Rosewill 3U Server Chassis Rackmount Case | 6 x 3.5" Bays | E-ATX Compatible | 2 x 80mm Fans | 2 x USB 3.0 | Silver/Black - RSV-Z3200U
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Rosewill HEARTH NAS PRO | Server Chassis | Supports up to 12 x 3.5" Hot Swap HDD and 6 x 2.5" SSD | E-ATX Compatible | 5 x 120mm PWM Fans | 240mm AIO Support | USB 3.2 Type-C | Ideal for Home Servers
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Rosewill
Rosewill HEARTH NAS PRO | Server Chassis | Supports up to 12 x 3.5" Hot Swap HDD and 6 x 2.5" SSD | E-ATX Compatible | 5 x 120mm PWM Fans | 240mm AIO Support | USB 3.2 Type-C | Ideal for Home Servers
  • Brand: Rosewill
  • Color: Black
  • Case Material: SECC
  • Motherboard Compatibility: 12" x 13" E-ATX; 12" x 9.6" ATX, 11.2" x 8.2" Mini-ATX and below
  • Model #: HEARTH NAS PRO
Rosewill 4U Rackmount Server Chassis | Supports up to 2 x 3.5" HDD & 4 x 2.5" SSD |  E-ATX & SSI-EEB Compatible  | 360mm AIO Support | 3 x 120mm PWM Fans | USB 3.2 Type-C | RSV-L4620
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  • $229.99 
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Supermicro Case CSE-731I-404B Mini-tower chassis 2x5.25" External HDD Drive Bays and 4x 3.5" Internal HDD Drive Bays 400W
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Supermicro Case CSE-731I-404B Mini-tower chassis 2x5.25" External HDD Drive Bays and 4x 3.5" Internal HDD Drive Bays 400W
  • Motherboard Compatibility: Micro ATX
  • Front Ports: 2 x USB 3.0
  • Brand: SUPERMICRO
  • Color: Black
  • Model #: CSE-731I-404B
Athena Power RM-1UC138 Black 1.0mm SECC 1U Rackmount Server Case
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Athena Power RM-1UC138 Black 1.0mm SECC 1U Rackmount Server Case

Limited time offer, ends 06/30

  • Brand: Athena Power
  • Color: Black
  • Case Material: 1.0mm SECC
  • Form Factor: 1U
  • Model #: RM-1UC138
SilverStone RM41-506 Black SGCC 4U Rackmount Server Chassis
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SilverStone RM41-506 Black SGCC 4U Rackmount Server Chassis
  • Brand: SilverStone
  • Color: Black
  • Case Material: SGCC
  • Form Factor: 4U
  • Model #: RM41-506
SilverStone SST-RM4A Black 4U Rackmount Server Chassis with Enhanced 360mm Radiators Compatibility
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SilverStone SST-RM4A Black 4U Rackmount Server Chassis with Enhanced 360mm Radiators Compatibility
  • Brand: SilverStone
  • Color: Black
  • Case Material: Steel
  • Form Factor: 4U
  • Model #: SST-RM4A
Rosewill 2U Server Chassis Rackmount Case | 4 x 3.5" Bays | 2 x 2.5" Devices, Micro-ATX Compatible | 2 x 80mm PMW Fans | 2 x USB 3.0 - RSV-Z2800U
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Rosewill 4U Server Chassis Rackmount Case - Special Edition with 5 x Sudokoo SK120 PWM High-Airflow Fans | 2 x Rear 80mm Fans | 8 x 3.5" HDD Bays, 3 x 5.25" Devices | E-ATX Compatible | 2 x USB 3.0
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  • $269.99 
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Rosewill 2U Server Chassis Rackmount Case | 4 x 3.5" Bays | 2 x 2.5" Devices | E-ATX Compatible | 3 x 80mm PWM Fans | 2 x USB 3.0 - RSV-Z2900U
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In Win IW-RF100-S315 1U Short-depth Rackmount Server Chassis with Single 315W Power Supply, with Front or Rear I/O Access
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In Win IW-RF100-S315 1U Short-depth Rackmount Server Chassis with Single 315W Power Supply, with Front or Rear I/O Access
  • Brand: IN WIN
  • Case Material: SGCC
  • Form Factor: 1U
  • Chassis Type: Rackmount
  • Model #: IW-RF100-S315
Rosewill HEARTH NAS | Server Chassis | Supports up to 6 x 3.5" Hot Swap HDD and 6 x 2.5" SSD | E-ATX Compatible | 5 x 120mm PWM Fan | 2 x 5.25" Bay | USB 3.2 Type-C | Ideal for Home Servers, DIY NAS
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Rosewill HEARTH NAS | Server Chassis | Supports up to 6 x 3.5" Hot Swap HDD and 6 x 2.5" SSD | E-ATX Compatible | 5 x 120mm PWM Fan | 2 x 5.25" Bay | USB 3.2 Type-C | Ideal for Home Servers, DIY NAS
  • Brand: Rosewill
  • Color: Black
  • Case Material: SECC
  • Motherboard Compatibility: 12" x 13" E-ATX; 12" x 9.6" ATX, 11.2" x 8.2" Mini-ATX and below
  • Model #: HEARTH NAS
iStarUSA D-200 Black Material of Front Bezel: Aluminum alloy
Material of Handle: SECC Zinc-Coated Steel
Material of Main Chassis: 1.2mm SECC Zinc-Coated Steel (Japan Made) 2U Rackmount Compact Stylish
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iStarUSA D-200 Black Material of Front Bezel: Aluminum alloy Material of Handle: SECC Zinc-Coated Steel Material of Main Chassis: 1.2mm SECC Zinc-Coated Steel (Japan Made) 2U Rackmount Compact Stylish

OUT OF STOCK

  • Brand: iStarUSA
  • Color: Black
  • Case Material: Material of Front Bezel: Aluminum alloy Material of Handle: SECC Zinc-Coated Steel Material of Main Chassis: 1.2mm SECC Zinc-Coated Steel (Japan Made)
  • Form Factor: 2U
  • Model #: D-200
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  • $189.99 
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Server Chassis Guide: Build Your Ideal IT Infrastructure

The server chassis is the backbone of your server setup, housing critical components and ensuring optimal performance. Choose the right chassis to optimize space, airflow, and expandability. Let's explore your options:

Server Chassis by Form Factor

  • Tower Chassis: Versatile and expandable, perfect for growing businesses requiring flexibility and increased storage capacity.
    • Sizes: Full Tower (maximum space), Mid Tower (balanced), Mini Tower (space-saving)
  • Rackmount Chassis: Designed for high-density data centers and server rooms, maximizing space utilization and simplifying cable management.
    • Sizes: Measured in rack units (U), typically 1U, 2U, or 4U
  • Blade Chassis: Ultra-compact and modular, ideal for large-scale deployments where high compute density and shared infrastructure are priorities.

Server Chassis by Brand: Top Manufacturers

  • Rosewill: Budget-friendly, reliable chassis with a focus on rackmount solutions for small to medium businesses.
  • Supermicro: High-performance, enterprise-grade chassis known for their build quality, advanced features, and customization options.
  • Chenbro: Durable and versatile chassis offering a range of form factors and configurations for various IT environments.
  • iStarUSA Group: Specializes in storage-dense chassis with hot-swappable bays and robust cooling solutions.

Server Chassis Buying Guide: Key Technical Considerations

  1. Form Factor: Choose based on your deployment environment, space constraints, and future growth plans.
  2. Size (U) (for rackmounts): Select the appropriate height to fit your rack and server configuration.
  3. Expandability: Consider available drive bays, PCIe slots, and memory capacity for future upgrades.
  4. Cooling: Ensure adequate airflow and fan options to maintain optimal operating temperatures for your components.
  5. Power Supply: Choose a power supply with sufficient wattage and redundancy options to meet your server's demands.
  6. Features: Look for features like hot-swappable drives, redundant power supplies, tool-less access, and cable management options to simplify maintenance and improve reliability.
  7. Brand Reputation: Opt for reputable manufacturers known for quality, reliability, and support to minimize downtime and ensure long-term performance.

Pro Tips for IT Professionals:

  • Thoroughly assess your specific workload and hardware requirements before selecting a chassis.
  • Pay close attention to compatibility with your motherboard, expansion cards, and other components.
  • Factor in future scalability needs when choosing a chassis to avoid costly upgrades down the line.
  • Consult with IT experts or refer to detailed product specifications to make an informed decision.

Bestselling Server Chassis Reviews:

Anonymous
5/24/2026 3:51:18 AM
Thick-Guage Sheet Metal with Good Fan Support and Side Vents

“ 4U is chunky, but it allows for a big CPU cooler, full-sized PCIe slots, and a whopping 8 5.25" accessory bays. ”

Athena Power RM-4UWIN525 Black 1.2mm SECC 4U Rackmount Server Case Mini-Redundant 2U Micro Redundant PS2 Single 3U Single 8 External 5.25" Drive Bays
Trevor S.
5/14/2026 6:21:38 PM
Rack mount on a budget

“ I recommend this case for people with a budget in mind, who care about utility over special features. ”

4U Server Chassis Rackmount, 7 PCI Slots, Ventilated Front Panel with Lockable Security Door, Heavy-Duty Industrial Computer Case
Anonymous
10/17/2025 7:22:05 AM
Sturdy Case

“ Supermicro makes great and sturdy cases. ”

Supermicro Case CSE-731I-404B Mini-tower chassis 2x5.25" External HDD Drive Bays and 4x 3.5" Internal HDD Drive Bays 400W
George B.
9/11/2025 7:31:14 AM
Amazing 2U case.

“ I usually build in 4U cases, but this was a very well designed 2U case making the build process very easy. ”

Rosewill 2U Server Chassis Rackmount Case | 4 x 3.5"/2.5" HDD, 1 x 5.25" Device | Micro-ATX Compatible | 2 x 80mm PWM Fans | 2 x USB 3.0 | Silver/Black - RSV-Z2700U
Michael M.
4/11/2025 4:03:16 AM
Good case, especially when on sale - RSV-L4000U

“ There's not a lot of info from Rosewill about this case and what you can fit in it. ”

Rosewill 4U Server Chassis Rackmount Case | 8 x 3.5" HDD Bays + 3 x 5.25" Devices | E-ATX Compatible | 5 x Front 120mm Fans | 2 x Rear 80mm Fans | 2 x USB 3.0 | Front Panel Lock | Silver/Black - RSV-L4000U
Anonymous
4/6/2025 12:51:34 PM
Great chasis for ATX rack mounted server/pc

“ Overall the case has a ton of configuration options and will fit almost any setup you can dream up, its really well built and shipped/packaged excellently. ”

Rosewill 4U Server Chassis | Supports up to 4 GPUs | 8 Hot-Swap 3.5"/2.5" SATA/SAS up to 12Gbps | E-ATX Compatible | 3 x 12038 Hot-Swap Fans | 2 x Rear 8038 Fans | USB 3.2 Type-C | With Rail Kit | Ideal for AI Servers
Paul H.
10/16/2024 5:45:39 AM
Not bad but a lot of gotchas

“ Compact for a rack mount case ”

iStarUSA D-314-MATX Black 3U Rackmount Chassis ATX Power Supply Compatible