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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
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  • $169.99 –
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PWS-1K28P-SQ for 1280W Switching Power Supply 80 Plus
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  • $231.99 –
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PSU for Flex NAS Small 1U 250W Power Supply HK350-93FP
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  • $307.99 –
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PSU for MATX 1U L1 M99 480W Power Supply PWS-441P-1H
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PSU for CWT -5V 400W Switching Power Supply CWT-400BDP
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Mean Well USP Switching Power Supply USP-150-12 150W 16.7A
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for C2100 Power Supply F3R29 750W PS-2751-5Q
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PSU for R-Senda 1U 450W Power Supply RSD-3600UP
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PSU for FSP -5V 610L 610H 300W Power Supply FSP300-60PLN
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PSU for Sezolo 1U 300 Power Supply SZ-3301P
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Mean Well USP Switching Power Supply USP-150-36 150W 4.2A
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for DPS-75VBC DPS-75VBE VCR Power Supply PUD220M
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New Group FSP300-601U Power Supply 300W FSP300-601U
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for FRVCP 1400W Power Supply D1200E-S2 DPS-1200MB-1B
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Power Supply 2868583 PS/1AC/12DC/5 12VDC 5.0A 12V5A 60w
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PSU for Flex 1U 460W Switching Power Supply HK560-11UEP
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Almost PSU for 1U 350W Switching Power Supply ST-350U-AC
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Almost PSU for 1U 600W Switching Power Supply PWS-601-1H
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Power Supply 115/230V / 48V 6(10) Ampers
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Switching DC Mini Power Supply(MCH-K3010DN 30V10A,220V)
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Power Supply for R48-1000 R48-1000A 20A 1000W
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250W 10-pin Power Supply HK350-12PP FSP250-30AGBAA PCE026
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New in Box SKKR300/0.2-BVR New Power Supply Module
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Power Supply 200 Watt 702912-001 E.One 800 G1
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FSP200-30AHSCO HK300-11PP GW-SDM200SDA 12-pin Power Supply
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PSU for FSP 400W Power Supply FSP400-60HLN
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for CloudEngine 12800E core switch Power supply PAC3000S54
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IFRP-532NF IFRP-532NFE 530W Storage Power Supply 9273ECPSu
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N2 Single Board Computer (SBC) (2GB) with Power Supply
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1 PCS New Sealed 1769-PA2 Ser Power Supply Input Module
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for 14-pin Power Supply HK280-23FP HK280-25FP PCB037 PCB038
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PSU for TFX 230W Switching Power Supply TFX-230W
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PSU for Aopen 375W Switching Power Supply FSP375-60GCU
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Juniper Ex4300 100w Ac Power Supply With Front To Back Airflow. Not Eligible For
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400G4 282G3 310W Power supply D19-310P2A L63964-002 PCG007
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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

β€œ 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

β€œ 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.

β€œ 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

β€œ 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

β€œ 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

β€œ 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

β€œ 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

β€œ Compact for a rack mount case ”

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