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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 Lianli AIO Flex POS NAS Small 1U 300W Switching Power Supply LL1U300APFC/Flax
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  • $210.99 
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PSU for AIO Flex POS NAS Small 1U K39 300W Switching Power Supply FLEX-3000
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  • $233.99 
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Almost PSU for X3250 X3550 X3650 M2 M3 M5 460W Power Supply DPS-460LB A 39Y7231 39Y7230
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  • $366.99 
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PSU for Black Widow SFX Micro Quasi-Silver HTPC/ITX Chassis 400W Power Supply PS-400SFX
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  • $245.99 
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PSU for Flex NAS Small 1U 250W Switching Power Supply HK353-11UEP
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  • $266.99 
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PSU for AIO Flex POS Small 1U 250W Switching Power Supply DPS-250AB-24C DPS-250AB-44A
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  • $313.99 
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PSU for AIO Flex NAS POS ATM Small 1U 150W Switching Power Supply HK250-94FP
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  • $257.99 
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PSU for R510 G6 1U 600W Switching Power Supply EFAP-601 36001025
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  • $402.99 
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PSU for FSP E200 CP5141 Small 1U 250W Power Supply PS8-250FATX-XE FSP250-50GUB EFAP-M251
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  • $288.99 
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for FSP300-60ATV (PF) Industrial Computer Power Supply FSP300-60PFN FSP250-60PFN
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  • $162.99 
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Server Power Supply for DS460S-3-004 RG-M6220-AC460E-F Fully Tested
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  • $386.99 
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MEAN WELL SE-450-24 AC-DC Power Supply Single Output 24V 18.8 Amp 451.2W
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  • $131.99 
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PSU for EVOC ATX 810 820 250W Switching Power Supply PS-7270B PS-7270B/ATX
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  • $329.99 
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1 PC New in Box 1606-XLP72E 1606-XLP72E / Power Supply 24-28V DC
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  • $247.99 
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S82K-03005 Switching Power Supply S82K03005 Sealed in Box 1 Year Warranty
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  • $227.99 
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PSU for C1100 650W Power Supply DPS-650SB A 8M1HJ DPS-650SB C
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  • $387.99 
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Dynamic Replacement 24V Power Supply/Power Head for an Media Air Cleaners OEM
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  • $440.99 
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PSU for Flex Small 1U 150W Power Supply ST-150FUB-05E ST-150FUB HK150-93A HK250-93FP
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  • $227.99 
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Almost PSU for Sun SPARC T5220 750W Switching Power Supply A227 300-2232-01 ECD14020012
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  • $306.99 
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for D20 Workstation Power Supply FS7052 41A9762 41A9761 1060W Perfectly Tested
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  • $236.99 
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GeRRiT UHP-350-24 24V 14.6A 350.4W Slim Type with PFC Switching Power Supply
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  • $283.99 
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S8JX-N03024D Switching Power Supply S8JXN03024D,1-Year Warranty
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  • $286.99 
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for DL580G7 Platinum Power Supply DPS-1200FB-1 A 570451-101 579229-00
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  • $209.99 
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PSU for ATX EPS12V Rated 500W OPP 600W Power Supply HK600-11PEP
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  • $326.99 
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PC PSU for Golden Field 680GT ATX Mute Rated 500W Peak 600W Power Supply 600ALB
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  • $220.99 
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PSU for FSP -5V Rated 250W Peak 300W Power Supply ATX3000-65PA ATX3000-68PL P2057F3P
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  • $283.99 
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PSU for DL320E G8 350W Power Supply 671326-001 686679-001 S11-350P1A
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  • $300.99 
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PSU for FSP 1U Firewall 100W Switching Power Supply FSP100-50LG FSP100-50LGA
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  • $343.99 
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New Fit for Sharp power supply DPS-162KP-1 RUNTKA932WJQZ LC-60LE635E 60C6400U
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  • $210.99 
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for GPS-650JBF workstation Power supply GPS-650JB F/DPS-650AB-27A 650W
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  • $357.99 
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DPS-500AB-32 A for Z2 MT 800G3 880G4 Shadow 6 Power Supply 901759-013 MAX 500W
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  • $320.99 
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600W Full Modular 1U Flex ATX Power Supply 80 Plus Gold Efficiency,Flex-600W
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  • $250.99 
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NX-PF0630 Additional I/O Power Supply Module NXPF0630 Sealed in Box 1 Year Warranty
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  • $272.99 
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MCH-K303D Adjustable DC Power Supply 3A Mobile Phone Repair Digital Lab (Size : 110V)
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  • $344.99 
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PSU for DVR NVR 20Pin IDEx8 250W Switching Power Supply PSF250MP-60 ST-250MAC-05E
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  • $264.99 
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PSU for Enhance ATX 600W Power Supply ATX-0760GA2 ATX-0660AG2
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  • $394.99 
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MEAN WELL EPP-400-12 12V 20.8A 249.6W Green Industrial Open Frame Power Supply
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  • $134.99 
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PSU for Pav 570 580 750 Power Supply ATX 300W 832005-001 PS-6301-07
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PSU for Pav 570 580 750 Power Supply ATX 300W 832005-001 PS-6301-07

Limited time offer, ends 05/23

  • Model #: KB0BYXY5XWS
Communication Power Supply W0PSA1701 Module ME170-12A-1 170W
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PSU for C6100 C5110 C6105 1100W Switching Power Supply PS-2112-2L XVKF0
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  • $247.99 
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PSU for Zhijidian Mini ITX SFX A50 A60 500W Power Supply ZJD-650FP
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  • $253.99 
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PSU for Roeyuta at P8P9 PSII 230W Switching Power Supply RYT-300AT SD-250AT SO-P300AT
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  • $264.99 
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LCM600Q 24V 27A 600W Switching Power Supply has Been Fully Tested
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  • $241.99 
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Almost PSU for EMC Data Domain DD860 DD890 1100W Power Supply PS-2112-2LD
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  • $390.99 
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Power Supply for FSP FSP400-60WS2 FSP400-60GN 400W 2U Will Fully Tested
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  • $269.99 
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PSU for R680 G7 850W Power Supply DPS-850FB A DPS-850FB B 36002277 36001917 E62433
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  • $348.99 
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PSU for AI0 ATX E200 1U 220W Switching Power Supply DPS-220BB C GW-FLX220A
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  • $191.99 
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PSU for Flex NAS POS Small 1U K39 200W Switching Power Supply ATX-200W
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  • $166.99 
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PSU for Delta 1U 400W Power Supply NPS-400CB A NPS-400CB B NPS-400CB C
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  • $375.99 
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PC PSU for Great Wall ATX AMD Rated 600W Peak 700W Power Supply HOPE-7000DS
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  • $253.99 
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PSU for ATX Dorsal line Broad Silence 600W Switching Power Supply GX600
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  • $259.99 
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PSU for WD450 Broad Silence Ative Backline Support 1060GPU 450W Power Supply HK550-12FP
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  • $315.99 
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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