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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
iStarUSA U-140SS 1U 4-Bay Storage Server Rackmount Chassis
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iStarUSA U-140SS 1U 4-Bay Storage Server Rackmount Chassis
  • Brand: iStarUSA
  • Color: Steel with anodize color paint
  • Case Material: Steel
  • Form Factor: 1U
  • Model #: U-140SS
iStarUSA D-414L-7 Black Aluminum / Steel 4U Rackmount 14 Slots Industrial PC Chassis
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iStarUSA D-414L-7 Black Aluminum / Steel 4U Rackmount 14 Slots Industrial PC Chassis
  • Brand: iStarUSA
  • Color: Black
  • Case Material: Aluminum / Steel
  • Form Factor: 4U
  • Model #: D-414L-7
  •  
  • $499.99 
  • Free Shipping
iStarUSA D200ND-2T7SA-BL Blue Steel 2U Rackmount Compact Stylish Server Case with Rails - OEM
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iStarUSA D200ND-2T7SA-BL Blue Steel 2U Rackmount Compact Stylish Server Case with Rails - OEM
  • Brand: iStarUSA
  • Color: Blue
  • Case Material: Steel
  • Form Factor: 2U
  • Model #: D200ND-2T7SA-BL
  •  
  • $399.99 
  • Free Shipping
iStarUSA D410-DE12SL Silver 4U 12-bay Stylish Hotswap Trayless Storage Server Rackmount
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iStarUSA D410-DE12SL Silver 4U 12-bay Stylish Hotswap Trayless Storage Server Rackmount
  • Brand: iStarUSA
  • Color: Silver
  • Case Material: Zinc-Coated Steel
  • Form Factor: 4U
  • Model #: D410-DE12SL
  •  
  • $599.99 
  • Free Shipping
iStarUSA C-140SS 1U 1U 4-Bay Trayless Storage Server Rackmount Chassis
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iStarUSA C-140SS 1U 1U 4-Bay Trayless Storage Server Rackmount Chassis
  • Brand: iStarUSA
  • Case Material: Steel
  • Form Factor: 1U
  • Motherboard Compatibility: Micro ATX / ATX
  • Model #: C-140SS
iStarUSA E1M4 Silver Heavy-duty SGCC Cold-rolled Steel (Main Chassis) 1U Rackmount 4-Bay Storage Server Chassis
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iStarUSA E1M4 Silver Heavy-duty SGCC Cold-rolled Steel (Main Chassis) 1U Rackmount 4-Bay Storage Server Chassis
  • Brand: iStarUSA
  • Color: Silver
  • Case Material: Heavy-duty SGCC Cold-rolled Steel (Main Chassis)
  • Form Factor: 1U
  • Model #: E1M4
  •  
  • $599.99 
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iStarUSA D-118V2-ITX-30FX8 Black Metal / Aluminum 1U Rackmount Compact Server Case
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iStarUSA D-118V2-ITX-30FX8 Black Metal / Aluminum 1U Rackmount Compact Server Case
  • Brand: iStarUSA
  • Color: Black
  • Case Material: Metal / Aluminum
  • Form Factor: 1U
  • Model #: D-118V2-ITX-30FX8
iStarUSA D-118V2-ITX-DT Black Metal / Aluminum 1U Compact Desktop/Server Chassis
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iStarUSA D-118V2-ITX-DT Black Metal / Aluminum 1U Compact Desktop/Server Chassis
  • Brand: iStarUSA
  • Color: Black
  • Case Material: Metal / Aluminum
  • Form Factor: 1U
  • Model #: D-118V2-ITX-DT
iStarUSA D410-DE12RD Red 4U 12-bay Stylish Hotswap Trayless Storage Server Rackmount
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iStarUSA D410-DE12RD Red 4U 12-bay Stylish Hotswap Trayless Storage Server Rackmount
  • Brand: iStarUSA
  • Color: Red
  • Case Material: Zinc-Coated Steel
  • Form Factor: 4U
  • Model #: D410-DE12RD
  •  
  • $649.99 
  • Free Shipping
iStarUSA S-35-3DE1BK Black Aluminum / Steel Tower Compact Stylish 3x 3.5" Hotswap Trayless mini-ITX Tower - Black HDD Handle
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iStarUSA S-35-3DE1BK Black Aluminum / Steel Tower Compact Stylish 3x 3.5" Hotswap Trayless mini-ITX Tower - Black HDD Handle
  • Brand: iStarUSA
  • Color: Black
  • Case Material: Aluminum / Steel
  • Chassis Type: Tower
  • Model #: S-35-3DE1BK
  •  
  • $269.99 
  • Free Shipping
iStarUSA D410-DE12BL Blue 4U 12-bay Stylish Hotswap Trayless Storage Server Rackmount
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iStarUSA D410-DE12BL Blue 4U 12-bay Stylish Hotswap Trayless Storage Server Rackmount
  • Brand: iStarUSA
  • Color: Blue
  • Case Material: Zinc-Coated Steel
  • Form Factor: 4U
  • Model #: D410-DE12BL
  •  
  • $599.99 
  • Free Shipping
iStarUSA D118ITX-30 1U Rackmount 11" Compact Server Chassis - OEM
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iStarUSA D118ITX-30 1U Rackmount 11" Compact Server Chassis - OEM
  • Motherboard Compatibility: Mini ITX
  • Power Supply: 300W
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: D118ITX-30
  •  
  • $359.99 
  • Free Shipping
Rosewill NAS PC Case | Server Chassis | Supports up to 6 3.5" Hot Swap HDD and 6 2.5" SSD | E-ATX Compatible Ideal for Home Servers, DIY NAS, Media Servers, or Small Business Applications - HEARTH NAS
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Rosewill
Rosewill NAS PC Case | Server Chassis | Supports up to 6 3.5" Hot Swap HDD and 6 2.5" SSD | E-ATX Compatible Ideal for Home Servers, DIY NAS, Media Servers, or Small Business Applications - HEARTH 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
  •  
  • $229.99 
  • Free Shipping
iStarUSA D-300SE Black Aluminum / Steel 3U Rackmount Compact Stylish Chassis
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iStarUSA D-300SE Black Aluminum / Steel 3U Rackmount Compact Stylish Chassis
  • Brand: iStarUSA
  • Color: Black
  • Case Material: Aluminum / Steel
  • Form Factor: 3U
  • Model #: D-300SE
  •  
  • $208.00 
  • Free Shipping
iStarUSA S-35-3M1BK Black Aluminum / Steel Tower Compact Stylish 3x 3.5" Hotswap mini-ITX Tower - Black HDD Handle
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iStarUSA S-35-3M1BK Black Aluminum / Steel Tower Compact Stylish 3x 3.5" Hotswap mini-ITX Tower - Black HDD Handle
  • Brand: iStarUSA
  • Color: Black
  • Case Material: Aluminum / Steel
  • Chassis Type: Tower
  • Model #: S-35-3M1BK
iStarUSA D-414SE Black Steel 4U Rackmount Compact Stylish 14-Slot Chassis
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iStarUSA D-414SE Black Steel 4U Rackmount Compact Stylish 14-Slot Chassis
  • External 5.25" Drive Bays: 4
  • External 3.5" Drive Bays: 1
  • Internal 3.5" Drive Bays: 2
  • Expansion Slots: 14
  • Model #: D-414SE
  •  
  • $379.99 
  • Free Shipping
iStarUSA D-410-DE36 Steel 4U Rackmount 36-Bay Hotswap 2.5" HDD SSD Storage Server Rackmount
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iStarUSA D-410-DE36 Steel 4U Rackmount 36-Bay Hotswap 2.5" HDD SSD Storage Server Rackmount
  • Brand: iStarUSA
  • Case Material: Steel
  • Form Factor: 4U
  • Chassis Type: Rackmount
  • Model #: D-410-DE36
  •  
  • $749.99 
  • Free Shipping
iStarUSA U-208SS 2U 8-Bay Storage Server Rackmount Chassis
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iStarUSA U-208SS 2U 8-Bay Storage Server Rackmount Chassis
  • Brand: iStarUSA
  • Case Material: Steel
  • Form Factor: 2U
  • Motherboard Compatibility: Micro ATX / ATX
  • Model #: U-208SS
iStarUSA D-416-B10SA-BL-BLUE Metal/ Aluminum 4U Rackmount Compact Stylish Server Chassis PS2 PSU
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iStarUSA D-416-B10SA-BL-BLUE Metal/ Aluminum 4U Rackmount Compact Stylish Server Chassis PS2 PSU
  • Brand: iStarUSA
  • Case Material: Metal/ Aluminum
  • Form Factor: 4U
  • Chassis Type: Rackmount
  • Model #: D-416-B10SA-BL-BLUE
iStarUSA D416-5DE1BK Aluminum / Steel 4U Rackmount Compact Stylish Trayless Case - Black Bezel
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iStarUSA D416-5DE1BK Aluminum / Steel 4U Rackmount Compact Stylish Trayless Case - Black Bezel
  • Motherboard Compatibility: ATX / Micro ATX
  • External 5.25" Drive Bays: 1
  • Hot-Swap Drive Bays: 5 x 3.5" SATA/SAS
  • Internal 3.5" Drive Bays: 2
  • Model #: D416-5DE1BK
  •  
  • $549.99 
  • Free Shipping
iStarUSA C-280SS 2U 8-Bay Trayless Storage Server Rackmount Chassis
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iStarUSA C-280SS 2U 8-Bay Trayless Storage Server Rackmount Chassis
  • Brand: iStarUSA
  • Case Material: Steel
  • Form Factor: 2U
  • Part Number: C-280SS
  • Model #: C-280SS
iStarUSA D-406-EC 4U Compact Stylish Rackmount Chassis (Standard Depth)
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iStarUSA D-406-EC 4U Compact Stylish Rackmount Chassis (Standard Depth)
  • Brand: iStarUSA
  • Case Material: Aluminum alloy
  • Form Factor: 4U
  • Chassis Type: Rackmount
  • Model #: D-406-EC
Rosewill NAS PC Case | Server Chassis | Supports up to 12 3.5" Hot Swap HDD and 6 2.5" SSD | E-ATX Compatible Ideal for Home Servers, DIY NAS, Media Servers, or Small Business Applications
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Rosewill
Rosewill NAS PC Case | Server Chassis | Supports up to 12 3.5" Hot Swap HDD and 6 2.5" SSD | E-ATX Compatible Ideal for Home Servers, DIY NAS, Media Servers, or Small Business Applications
  • 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
  •  
  • $269.99 
  • Free Shipping
iStarUSA D416-B6SL-SL Black Aluminum / Steel 4U Rackmount Compact Stylish Chassis - Silver Bezel
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iStarUSA D416-B6SL-SL Black Aluminum / Steel 4U Rackmount Compact Stylish Chassis - Silver Bezel
  • Brand: iStarUSA
  • Color: Black
  • Case Material: Aluminum / Steel
  • Form Factor: 4U
  • Model #: D416-B6SL-SL
  •  
  • $449.99 
  • Free Shipping
SilverStone SST-RM32 White 3U rackmount server chassis supporting 4-slot high-end graphics cards and 360mm radiators
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SilverStone SST-RM32 White 3U rackmount server chassis supporting 4-slot high-end graphics cards and 360mm radiators
  • Brand: SilverStone
  • Color: White
  • Case Material: Steel
  • Form Factor: 3U
  • Model #: SST-RM32
  • $478.20 - $480.60
SUPERMICRO CSE-826BE1C4-R1K23LPB 2U Rackmount 2U Storage Chassis with 12x 3.5" hot-swap HDD's
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Supermicro
SUPERMICRO CSE-826BE1C4-R1K23LPB 2U Rackmount 2U Storage Chassis with 12x 3.5" hot-swap HDD's
  • Brand: SUPERMICRO
  • Form Factor: 2U
  • Chassis Type: Rackmount
  • Motherboard Compatibility: Support motherboard up to 12" x 13", ATX, E-ATX
  • Model #: CSE-826BE1C4-R1K23LP
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
Supermicro Case CSE-733TQ-668B Mid-Tower 4 x 3.5 inch SAS / SATA HS E-ATX / ATX / Micro ATX Brown Box
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Supermicro
Supermicro Case CSE-733TQ-668B Mid-Tower 4 x 3.5 inch SAS / SATA HS E-ATX / ATX / Micro ATX Brown Box
  • Brand: SUPERMICRO
  • Color: Black
  • Chassis Type: Mid-Tower
  • Motherboard Compatibility: 12" x 13" E-ATX / ATX
  • Model #: CSE-733TQ-668B
  • $531.45 - $536.82
SilverStone, SFF Chassis
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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
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