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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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SDR-240-24 MW rail power supply - (Style: A, Voltage: SDR-240-24)
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  • $322.99 
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Almost PSU for 80plus Bronze Small 1U 200W Switching Power Supply SS-200SU
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  • $322.99 
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D825EF-00 for T5600 T5610 Power Supply D825EF-01 DPS-825BB A 0G57YP 825W
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  • $374.99 
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New Factory Sealed 1794-PS3 Flex Ser A 24V-DC Power Supply Module 1794PS3 US Stock
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  • $284.99 
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PSU for FSP 400W Power Supply FSP400-60APG FSP400-60GHN(85) FSP350-60PN(PF
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  • $457.99 
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PSU for ITX Flex NAS Small 1U K39 600W Switching Power Supply LMJD-6000
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  • $397.99 
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Delta Electronics 482513-003 Switching Power Supply- DPS-725AB A
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  • $198.99 
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RD-85 RD-85A RD-85 Dual Output Switching Power Supply(RD-85B)
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  • $233.99 
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for 00YJ901 700-013702-0000 00YJ831 00YL553 550W Power Supply 00YL562
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  • $234.99 
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for X3650M5 X3550M5 550W Power Supply 94Y8173 94Y8172 94Y8139 94Y8173
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  • $231.99 
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Communication Power Supply for R48-3200 R48-3200E 3200W Fully Tested
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  • $366.99 
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PSU for FSP -5V 1U 350W Switching Power Supply FSP350-70MU FSP350-601U
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  • $397.99 
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PSU for Flex Small Standard 1U 300W Switching Power Supply ENH-0630A
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  • $252.99 
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MW Mean Well HRPG-300-36 36V 9A 324W Single Output with PFC Function Power Supply
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  • $369.99 
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Mean Well Original SP-320-36 Single Output with PFC Function Power Supply 36V 8.8A 316W
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  • $369.99 
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for R630 R730 R730XD G6W6K V1YJ6 HTRH4 D750E-S6 0G6W6K 0V1YJ6 0HTRH4 750W Power supply
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  • $230.99 
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for X3500 M4 Power Supply 750W 69Y5871 69Y5872 69Y5740 DPS-750AB-1 A
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  • $234.99 
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PSU for FSP 610H 610G 610L 810 Rated 300W Peak 350W Switching Power Supply ATX3500-65PA
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  • $303.99 
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PSU for FSP Mini ITX SFX 450W Switching Power Supply FSP450-50SHNCA FSP350-50SHNCA
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  • $250.99 
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PSU for RD650 RD550 RD450 RD350 750W Switching Power Supply PS-2751-3L-LF
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  • $453.99 
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for Blade2500 B2500 workstation Power supply 300-1667 300-300-1910 600W
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  • $346.99 
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for BTX-500SP BTX-500SP(A) 500SP Switching Regulated Power supply
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  • $262.99 
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PWS-1K41F-1R 1400W 1U Redundant Power Supply, w/PMBus WX106MM Fuente
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  • $566.99 
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Almost PSU for FSP AOC 350W Switching Power Supply ATX350-50HYA FSP350-50HYA ATX450-50HYA
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  • $310.99 
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468929-004 508148-001 DPS-850DB A 850W for Z800 Workstation Power Supply
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  • $309.99 
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for Workstation Z600 Power Supply 482513-003 508548-001 DPS-725AB
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  • $234.99 
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Workstation Power Supply for Z800 850W DPS-850DB A 468929-004 508148-001 Fully Tested
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  • $324.99 
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PSU for Mute Full Voltage Home Game with 6P Video Card 400W Power Supply D11-400P1A
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  • $220.99 
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for FSP300-60GLC General FSP300-60ATV/60PFG 610 Industrial Computer Power Supply
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  • $150.99 
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for R4850G2 Communication Switching Power Supply 48V50A 3000w
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  • $307.99 
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6EP3322-6SB00-0AY0 12V/4.5A Stabilized Power Supply 6EP33226SB000AY0
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  • $327.99 
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C200H-PS211 I/O Power Supply Unit C200HPS211 Sealed in Box 1 Year Warranty
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  • $371.99 
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for XW8600 Power Supply DPS-1050CB 440860-001 442038-001 1050W
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  • $226.99 
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PSU for 80plus Bronze 870 875 880 900 GA1 300W Power Supply PS-4301-2 L20530-001
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  • $235.99 
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MEAN WELL PSP-600-5 AC to DC Power Supply Single Output 5 Volt 80 Amp 400 Watt
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  • $252.99 
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for GW-EPS1650DA Julong 1650W Desktop Computer Power Supply ATX 24+8-pin
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  • $413.99 
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for 300-2234-01 300-2234-01 X4140 X4150 T5120 720W Power Supply
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  • $381.99 
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for 720620-B21 733427-001 733428-401 754383-001 1400W Power supply
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  • $260.99 
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S8VS-09024BE Switching Power Supply S8VS09024BE Sealed in Box 1 Year Warranty
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  • $297.99 
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PSU for 2650 502W Switching Power Supply DPS-500CB A J1540 0H694 DPS-500CB-1 A
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  • $355.99 
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PSU for HEC AIO Flex NAS Small 1U 120W Switching Power Supply HEC-12SN-7FX
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  • $390.99 
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1PC Original FSP300-60ATV (PF) Power Supply Compatible with FSP300-60PFN
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  • $307.99 
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UHP-350-12 350.4W Slim Type with PFC Switching Power Supply UHP-350 12V 29.2A
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  • $235.99 
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UHP-200R-12 12V 16.7A 200.4W Slim Type with PFC Switching Power Supply, JSHCN123456
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  • $205.99 
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Original Fit for Apple iMac 27" A1419 Power Supply Late 2012 to 2014 PA-1311-2A1
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  • $299.99 
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Norcold Inc. Refrigerators NO618661 2-Way Power Supply Board
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  • $147.99 
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PSU for FSP -5V P6 610L 610H 300W Switching Power Supply FSP300-60PLN FSP300-60PFN
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  • $383.99 
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Altronix SMP5PM Supervised Power Supply Charger Board 12/24VDC @ 4A
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  • $204.99 
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PSU for T168 T468 G7 TS430 350W Power Supply DPS-350TB K 36002108
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  • $286.99 
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for 300-1846-02 300-1674 300-1568 3001846-01 AA23650 AA22770 Power Supply
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for T5810 T7810 685W Workstation Power Supply D685EF-01 F685EF-01 CYP9P
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  • $312.99 
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FSP500-50FSPT for FSP/Industrial Level of Switching Power Supply MAX Wattage 500W
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for DPS-200PB-185F Monitoring Video Recorder POE Power Supply
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PSU for RH1288 2285 2288 V2 R520 750W Switching Power Supply PS-2751-2H-LF
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250W Power supply FSP250-50LC / FSP250-50GUB / PS8-250FATX-XE
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for Fire V490 Power Supply 300-2016/375-3479/300-1632/300-1987
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PSU for Sun N240 V240 400W Power Supply AA23650 AA22770 300-1674 300-1568 300-1846
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PSU for DVR NVR 20Pin SATAx8 200W Switching Power Supply DPS-200PB-208 A DPS-200PB-176 G
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for Sun SPARC 300-2234-01 T5120 720W T5120 ECD14020013 A236 720W Power Supply
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for DS4800 Storage Power Supply 375W 17P8821 22R4273 23R1496
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PSU for IEI 300W Switching Power Supply ACE-832AP ACE-832AP-RS Replace ACE-A130B 832A
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  • $222.99 
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Almost PSU for at P8P9 250W Switching Power Supply BPS-2504-4TU
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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