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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

+ $20 off w/ promo code FPSF875, limited offer

  • 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
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  • $169.99 
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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

OUT OF STOCK

  • Brand: iStarUSA
  • Color: Black
  • Case Material: Aluminum / Steel
  • Form Factor: 3U
  • Model #: D-300SE
  •  
  • $208.00 
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iStarUSA S-35-3M1SL Black Aluminum / Steel Tower Compact Stylish 3x 3.5" Hotswap mini-ITX Tower - Silver HDD Handle
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iStarUSA S-35-3M1SL Black Aluminum / Steel Tower Compact Stylish 3x 3.5" Hotswap mini-ITX Tower - Silver HDD Handle
  • Brand: iStarUSA
  • Color: Black
  • Case Material: Aluminum / Steel
  • Chassis Type: Tower
  • Model #: S-35-3M1SL
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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

OUT OF STOCK

  • 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
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  • $549.99 
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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

OUT OF STOCK

  • Brand: iStarUSA
  • Color: Black
  • Case Material: Aluminum / Steel
  • Form Factor: 4U
  • Model #: D416-B6SL-SL
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  • $449.99 
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SUPERMICRO SuperChassis CSE-813MF2TQC-505CB Silver 1U Desktop Server Case
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Supermicro
SUPERMICRO SuperChassis CSE-813MF2TQC-505CB Silver 1U Desktop Server Case

OUT OF STOCK

  • Brand: SUPERMICRO
  • Series: SuperChassis
  • Color: Silver
  • Form Factor: 1U
  • Model #: CSE-813MF2TQC-505CB
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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

OUT OF STOCK

  • Brand: iStarUSA
  • Color: Silver
  • Case Material: Heavy-duty SGCC Cold-rolled Steel (Main Chassis)
  • Form Factor: 1U
  • Model #: E1M4
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  • $599.99 
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Athena Power RM-4UWIN5258G 4U Desktop IPC GPU Chassis, 8 Slot, 8x 5.25" Bay, 2x USB 3.0 Ports
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Athena Power RM-4UWIN5258G 4U Desktop IPC GPU Chassis, 8 Slot, 8x 5.25" Bay, 2x USB 3.0 Ports

OUT OF STOCK

  • External 5.25" Drive Bays: 8
  • External 3.5" Drive Bays: 2
  • Expansion Slots: 8
  • Front Ports: USB 3.0
  • Model #: RM-4UWIN5258G
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  • $299.99 
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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
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iStarUSA D-406L-EC Performance Rackmount Chassis (Long Version)
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iStarUSA D-406L-EC Performance Rackmount Chassis (Long Version)

OUT OF STOCK

  • Motherboard Compatibility: Micro ATX / ATX
  • Part Number: D-406L-EC
  • Model #: D-406L-EC
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  • $227.99 
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iStarUSA D-410-B10SA Black Zinc-Coated Steel 4U Rackmount 10-Bay Stylish Storage Server Case
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iStarUSA D-410-B10SA Black Zinc-Coated Steel 4U Rackmount 10-Bay Stylish Storage Server Case

OUT OF STOCK

  • Brand: iStarUSA
  • Color: Black
  • Case Material: Zinc-Coated Steel
  • Form Factor: 4U
  • Model #: D-410-B10SA
  •  
  • $749.99 
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Supermicro CS CSE-813MFTQC-350CB2 1U SuperChassis 813MFTQC-350CB2
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Supermicro
Supermicro CS CSE-813MFTQC-350CB2 1U SuperChassis 813MFTQC-350CB2

OUT OF STOCK

  • Series: SuperChassis
  • CPU Type: Dual, single Intel / AMD processors
  • Installed CPU: No CPU Installed
  • Installed Memory Size: No Memory Installed
  • Model #: CSE-813MFTQC-350CB2
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DL38X GEN10 PREMIUM 8SFF HDD
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DL38X GEN10 PREMIUM 8SFF HDD
  • Model #: 826690-B21
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Supermicro SuperChassis 826BE1C-R920LPB - 2U Support - 12 Hot-swap SAS/SATA Bay
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Supermicro
Supermicro SuperChassis 826BE1C-R920LPB - 2U Support - 12 Hot-swap SAS/SATA Bay

OUT OF STOCK

  • Brand: SUPERMICRO
  • Color: Silver
  • Form Factor: 2U
  • Chassis Type: Desktop
  • Model #: CSE-826BE1C-R920LPB
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Supermicro MCP-260-00085-0B 1U I/O shield for A1SRM-LN7F/LN5F in SC510 chassis
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SuperMicro SuperChassis 216BE1C-R920LPB, 2U chassis support for max. motherboard size - 13" x 13.68", E-ATX and ATX
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Dell FTNPN V3 Chassis Management Board
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  • $145.97 
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Genuine Optiplex 3080 SFF 200W Power Supply L200EBS-01 5TVM5
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Genuine Optiplex 3080 SFF 200W Power Supply L200EBS-01 5TVM5

Limited time offer, ends 05/23

  • Model #: KB0CK5J141S
for XE 486 Power Supply D280ES-00 DPS-280MB A L280E-0 Y738P D499R
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for XE 486 Power Supply D280ES-00 DPS-280MB A L280E-0 Y738P D499R

Limited time offer, ends 05/23

  • Model #: KB09L19442C
DPS-500YB C for 1U 500W Switching Power Supply
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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 x 3.5" HDD Bays | Micro-ATX Compatible | 3 x 80mm PWM Fans | 2 x 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 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
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 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

“ 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 | 3 x 12038 Hot-Swap Fans | 2 x Rear 8038 Fans | USB 3.2 Type-C | With Rail Kit | Ideal for AI Servers
Benjamin A.
9/11/2024 6:05:59 PM
Pretty solid DIY NAS case

“ Cheaper than SuperMicro chassis ”

SilverStone Technology CS351 5-Bay SAS-12G / SATA-6G hot-swappable high Performance NAS Chassis, SST-CS351
Robert W.
5/23/2024 12:11:57 AM
Great case for my first homelab.

“ This was my first build with a server chassis and i gotta say, aside from the not having a manual in the box if was all simple and self explanatory if youve built cases before. ”

iStarUSA D406-DE8BK Black 4U Rackmount Compact Stylish Server Case