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Rosewill THOR NAS - Full Tower Workstation Case | Server Chassis | Supports up to 11 3.5" HDD and 13 2.5" SSD | E-ATX Compatible | 1x 140mm PWM Fan | USB 3.2 Type-C | Ideal for AI Servers, DIY NAS
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Rosewill THOR NAS - Full Tower Workstation Case | Server Chassis | Supports up to 11 3.5" HDD and 13 2.5" SSD | E-ATX Compatible | 1x 140mm PWM Fan | USB 3.2 Type-C | Ideal for AI Servers, DIY NAS
  • 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
  •  
  • $169.99 
  • Free Shipping
Athena Power RM-3U3046X808 3U Black Rackmount EATX Chassis 4 x 5.25" Drive Bays 800W 80 PLUS BRONZE
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Athena Power RM-3U3046X808 3U Black Rackmount EATX Chassis 4 x 5.25" Drive Bays 800W 80 PLUS BRONZE
  • Brand: Athena Power
  • Color: Black
  • Form Factor: 3U
  • Chassis Type: Rackmount
  • Model #: RM-3U3046X808
  •  
  • $317.25 
  • Free Shipping
Athena Power RM-1UWIN512F508 Black 1.2mm SECC 1U Rackmount Server Case
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Athena Power RM-1UWIN512F508 Black 1.2mm SECC 1U Rackmount Server Case
  • Brand: Athena Power
  • Color: Black
  • Case Material: 1.2mm SECC
  • Form Factor: 1U
  • Model #: RM-1UWIN512F508
  •  
  • $218.70 
  • Free Shipping
Athena Power RM-1U1122EU2, 1U 12-Bay NVME U.2/Mini SAS HD E-ATX Rackmount Server/Storage Chassis
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Athena Power RM-1U1122EU2, 1U 12-Bay NVME U.2/Mini SAS HD E-ATX Rackmount Server/Storage Chassis
  • Brand: Athena Power
  • Series: CaseSeries
  • Color: Black
  • Case Material: Steel
  • Model #: RM-1U1122EU2
  •  
  • $976.05 
  • Free Shipping
Athena Power RM-3U8G525 Black SGCC (T=1.2mm) 3U Rackmount Server Case
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Athena Power RM-3U8G525 Black SGCC (T=1.2mm) 3U Rackmount Server Case
  • Brand: Athena Power
  • Color: Black
  • Case Material: SGCC (T=1.2mm)
  • Form Factor: 3U
  • Model #: RM-3U8G525
  •  
  • $458.67 
  • Free Shipping
Athena Power RM-1U1210B40 Black 1.2mm Steel 1U Rackmount Server Chassis
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Athena Power RM-1U1210B40 Black 1.2mm Steel 1U Rackmount Server Chassis

Limited time offer, ends 04/30

  • Motherboard Compatibility: Micro ATX (9.6" x 9.6") | ATX (12" x 10.55") Motherboard
  • Power Supply: 400W
  • External 5.25" Drive Bays: 1
  • Internal 3.5" Drive Bays: 2
  • Model #: RM-1U1210B40
  •  
  • $195.00 
  • Free Shipping
DPS-500YB C for 1U 500W Switching Power Supply
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Athena Power RM-3U316480U3 Silver/Black 1.2mm SGCC 3U Rackmount Server Case
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Athena Power RM-3U316480U3 Silver/Black 1.2mm SGCC 3U Rackmount Server Case

Limited time offer, ends 04/30

  • Brand: Athena Power
  • Color: Silver/Black
  • Case Material: 1.2mm SGCC
  • Form Factor: 3U
  • Model #: RM-3U316480U3
  •  
  • $218.00 
  • Free Shipping
Athena Power RM-3U8G1043 Black SGCC (T=1.2mm) 3U Rackmount Server Case
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Athena Power RM-3U8G1043 Black SGCC (T=1.2mm) 3U Rackmount Server Case
  • Brand: Athena Power
  • Color: Black
  • Case Material: SGCC (T=1.2mm)
  • Form Factor: 3U
  • Model #: RM-3U8G1043
  •  
  • $543.06 
  • Free Shipping
Athena Power RM-2U206480P4 Black 1.2mm SECC 2U Rackmount Server Case
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Athena Power RM-2U206480P4 Black 1.2mm SECC 2U Rackmount Server Case

Limited time offer, ends 04/30

  • Brand: Athena Power
  • Color: Black
  • Case Material: 1.2mm SECC
  • Form Factor: 2U
  • Model #: RM-2U206480P4
  •  
  • $328.00 
  • Free Shipping
Athena Power RM-3U316465U3 Silver/Black 1.2mm SGCC 3U Rackmount Server Case
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Athena Power RM-3U316465U3 Silver/Black 1.2mm SGCC 3U Rackmount Server Case
  • Brand: Athena Power
  • Color: Silver/Black
  • Case Material: 1.2mm SGCC
  • Form Factor: 3U
  • Model #: RM-3U316465U3
  •  
  • $288.74 
  • Free Shipping
ENlight EN-2400 Chassis
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ENlight EN-2400 Chassis
  • Motherboard Compatibility: ATX
  • Power Supply: 300W Redundant
  • External 5.25" Drive Bays: 3
  • External 3.5" Drive Bays: 1
  • Model #: EN-2400P4R
  •  
  • $459.99 
  • $46.99 Shipping
SilverStone Technology SETA Q1 Silent Mid Tower Case with Soundproofing, SST-SEQ1B
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Athena Power RM-4UG4243HE12 Black SGCC (T=1.2mm) 4U Rackmount Server Case
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Athena Power RM-4UG4243HE12 Black SGCC (T=1.2mm) 4U Rackmount Server Case

Limited time offer, ends 04/30

  • Brand: Athena Power
  • Color: Black
  • Case Material: SGCC (T=1.2mm)
  • Form Factor: 4U
  • Model #: RM-4UG4243HE12
  •  
  • $728.00 
  • Free Shipping
CHENBRO RM42300-F1 Black Steel / Plastic 4U Rackmount Server Case
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CHENBRO RM42300-F1 Black Steel / Plastic 4U Rackmount Server Case
  • Brand: CHENBRO
  • Color: Black
  • Case Material: Steel / Plastic
  • Form Factor: 4U
  • Model #: RM42300-F1
Supermicro SuperChassis CSE-721TQ-350B2 Mini ITX Mini Tower, 4 x 3.5" Hotswap Bays
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Supermicro
Supermicro SuperChassis CSE-721TQ-350B2 Mini ITX Mini Tower, 4 x 3.5" Hotswap Bays
  • Motherboard Compatibility: Mini ITX
  • Front Ports: Button: Power On/Off button System Reset button LED: Power status LED HDD activity LED 1 Network activity LEDs Fan Fail/System Over Heat LED Port: 2x USB 3.0 Port(s)
  • 120mm Fans: 1
  • Brand: SUPERMICRO
  • Model #: CSE-721TQ-350B2
TRENDnet SRWO12US2 Wallmount Open Frame Rack 12U 2-Post Hinged Front Heavy Duty
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TRENDnet SRWO12US2 Wallmount Open Frame Rack 12U 2-Post Hinged Front Heavy Duty
  • Brand: TRENDnet
  • Color: Black
  • Form Factor: 12U
  • Chassis Type: Desktop
  • Model #: SRWO12US2
SUPERMICRO CSE-825TQ-563LPB Black 2U Rackmount Server Case
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SUPERMICRO CSE-825TQ-563LPB Black 2U Rackmount Server Case
  • Brand: SUPERMICRO
  • Color: Black
  • Form Factor: 2U
  • Chassis Type: Rackmount
  • Model #: CSE-825TQ-563LPB
HP MicroServer Gen10 Plus Tower Server for Business, Xeon E-2224 3.4GHz, 8GB RAM, No Drives
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  •  
  • $1,399.00 
  • Free Shipping
Silverstone RM21-308 2U Rackmount Server Chassis with 8 X 3.5 Hot Swap Bays Micro-ATX Support RM21-308-x
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4U Rackmount Server Chassis with 3x5.25 Front Bays+7x3.5 +3x2.5 Drive Bays
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  •  
  • $299.99 
  • Free Shipping
SUPERMICRO SuperChassis CSE-815TQC-R504WB2 Silver 1U Desktop Server Case
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Supermicro
SUPERMICRO SuperChassis CSE-815TQC-R504WB2 Silver 1U Desktop Server Case
  • Brand: SUPERMICRO
  • Series: SuperChassis
  • Color: Silver
  • Form Factor: 1U
  • Model #: CSE-815TQC-R504WB2

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
2/18/2026 3:21:35 PM
Great budget 2U chassis

“ Really great 2U chassis for the price. ”

Rosewill 2U Server Chassis Rackmount Case | 4 3.5" HDD Bays | Micro-ATX Compatible |3 x 80mm PWM Fans | 2x USB 3.0 | Silver/Black - RSV-Z2600U
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 3.5"/2.5" HDD, 1 5.25" Device | Micro-ATX Compatible | 2 x 80mm PWM Fans | 2x USB 3.0 | Silver/Black - RSV-Z2700U
Adrian H.
7/31/2025 8:06:49 PM
Supports big radiators. Pretty good, but a few niggles

“ One day the issue with it not aligning properly to 4U might be a problem, but for now...I have space. ”

Rosewill 4U Server Chassis Rackmount Case | 15 3.5" HDD Bays | E-ATX Compatible | 6 Front 120mm Fans, 2 Rear 80mm Fans | 2x USB 3.0 | Front Panel Lock and Key | Silver/Black - RSV-L4500U
tim1724
5/20/2025 7:23:19 PM
Well built, flexible for wide array of applications

“ My main reason for choosing it was that I needed a cheap GPU server using consumer grade cards (Geforce RTX 3090) which don't fit in a typical server chassis. ”

SUPERMICRO SuperChassis CSE-745BAC-R1K23B 4U Tower Server Chassis
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 3.5" HDD Bays, 3 5.25" Devices | E-ATX Compatible | 5 Front 120mm Fans, 2 Rear 80mm Fans | 2x 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

“ A large PC style ATX PSU will likely extend over the CPU socket (I was using a 1600w seasonic); meaning you will have to use an AIO/water cooling setup for the CPU, or at a minimum a 2u height cooler (this is on an ATX MB). ”

Rosewill 4U Server Chassis|Supports up to 4 GPUs|8 Hot-Swap 3.5"/2.5" SATA/SAS up to 12Gbps|E-ATX Compatible|3x 12038 Hot-Swap Fans, 2 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