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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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PSU for DVR NVR 20Pin SATAx8 150W Switching Power Supply FSP150-10GSV
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  • $219.99 
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PSU for SQ IPC Single Channel 12V 106P 1600W Power Supply SQ-1600
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S-600-24 Switching Power Supply 600W Single Group Series 24V14.5A
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  • $226.99 
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for HDS AMS2100 AMS2300 Storage Power Supply PPD7002-3 3276080-A Report
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  • $381.99 
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PSU for Flex Small 1U 350W Switching Power Supply HK452-11UEP
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  • $366.99 
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ENP-7025B Small 1U 250W Power Supply Active 80 Certified Wide Voltage Flex Mute
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  • $203.99 
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Almost PSU for X336 585W Power Supply API3FS25 39Y7168 39Y7169 24R2640
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  • $375.99 
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4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply
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  • $296.99 
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RSP-200-27 27V 7.5A 202.5W Single Output with PFC Function Switching Power Supply AC-DC
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  • $254.99 
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3Y YM-2531B YM-2531A Disk Power Supply 9373CPSU-0010 YM-2531BAR
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  • $340.99 
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Optiplex -D2352A0 H235P-00 SFF Computer Power Supply 235W 713543894035
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  • $389.99 
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PSU for FSP 80plus Gold 500W Switching Power Supply FSP500-60EPN FSP600-60EPN
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  • $266.99 
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PSU for 2650 502W Power Supply DPS-500CB A J1540 0H694 DPS-500CB-1 A
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  • $312.99 
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PSU for D10 D20 1000W Power Supply DPS-1000GB A 41A9765 41A9764
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  • $339.99 
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PSU for DL360G4 460W Power Supply DPS-460BB B 361392-001 325718-001
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  • $347.99 
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CQM1-PA203 Power Module CQM1PA203 Sealed in Box 1 Year Warranty
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  • $189.99 
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for V3500 V3700 V5000 Power Supply 98Y2218 00WK807 TDPS-800BB A Tested
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  • $349.99 
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PSU for XPS 410 420 430 9200 E520 Power Supply L425P-00 C921D TP728
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  • $293.99 
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PSU for Small 1U 500W Switching Power Supply FSD059 FSD059-B63G
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  • $399.99 
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C64 PSU Classic Gray US - Replacement Commodore 64 Power Supply, US Plug
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  • $156.99 
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PSU for CX3-20F CX3-40F CX3 10 20 40 Power Supply API4SG10 071-000-462 XU177
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0riginal PSU Board for iMac 21.5" AIO A1418 180W Power Supply APA007 ADP-185BF T
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  • $310.99 
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Almost PSU for 80plus Platinum MATX 1U L1 M99 480W Switching Power Supply PWS-441P-1H
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  • $373.99 
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H1U-6200P(ROHS) H1U-6150P(ROHS) H1U-6250P(ROHS) Industrial Power Supply
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for N2K-C2248TP-1GE Switch Power Supply N2200-PAC-400W 341-0375-06
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for Power Supply for U20 300-1950-01 400W API4PC01 Work Good
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PSU for AIO Flex POS Small 1U 20P 250W Power Supply DPS-250AB-44 E
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2222B1 SWITCHMODE Power Supply, Isolated, 48 W, 24 VDC, 230 VAC
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RetroPower PSU Amiga 500 US - Replacement Amiga 500 Power Supply, US Plug
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MPQ-200B AC/DC Power Supply Quad-OUT 5V/12V/-5V/-12V 12A/5.3A/1A/1A 200W Medical 23-Pin
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for 600W Z420 Power Supply 623193-001 632911-001 DPS-600UB A
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Original S560 S590 S770 HKF1502-3B APA005 FSP150-20AL Power Supply
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DC Single Output Switching Power Supply LRS-450-24 24V/18.8A/450W(LRS-450-5)
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DC Single Output Switching Power Supply LRS-450-24 24V/18.8A/450W(LRS-450-36)
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DC Single Output Switching Power Supply LRS-450-24 24V/18.8A/450W(LRS-450-15)
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RS-100-24 108W Single Output Switching Power Supply RS-100 24V 4.5A
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for Z440 Power Supply WS 525W 700W DPS-525AB-3 A 758466-001 753084-001
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for FSP700-80PSA 700W industrial computer Power supply ATX power switch Power supply
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PSU for Sezolo 1U 350W Switching Power Supply SZ-3500U P1G-6300P
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Switching Power Supply S-600-24 Single Group Series 24V14.5A
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PSU for AIO ITX Flex POS Small 1U 220W Switching Power Supply ST-220FUB-05E
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1PCS PM100RL1E120 Power Module Supply New 100% Quality Guarantee
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for Power Supply for X4170 M3 7047410 7079395 7060951 AA27020L 600W Work Good
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PSU Board for Power Supply DPSN-66BP A HRS66-6000AD VC66B200AS GPL66-12ADH
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for T350G7 R350G7 Power Supply DPS-700LB C MAX 750W Will Fully Tested
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PSU for AIO DVR NVR Small 1U 350W Switching Power Supply DPS-350AB-24 H
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PSU for Micro MATX HTPCFX 300W Switching Power Supply HK400-41FP
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S8JX-N15024D Switching Power Supply S8JXN15024D Sealed in Box 1 Year Warranty
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ALTRONIX SMP7PM Power Supply Circuit Board 12/24V-DC B255628
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PSU for C1100 650W Power Supply DPS-650SB A 8M1HJ DPS-650SB C
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Power Supply for NF5580A NF380D MRM-6600P-R MRM-6600P 600W Fully Tested
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1pcs New Switching Power Supply PRO ECO 240W 24V 10A 1469490000
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FSP FSP180-50PLA 180W Flex ATX 20PIN 4CM BB Fan APFC Power Supply Cooler
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for DPS-460MB A 643954-101 643931-001 660184-001 460W Power Supply
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TDK Lambda LS75-36 36 V/DC 2.1 A 75 W Built-in Cut-Off 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