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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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for D525E-00 T3400 Graphics Workstation Server Power Supply NPS-525AB A
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  • $234.99 
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A570P-01 C570A-S0 A570P-00 for R710 T610 server power supply
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  • $204.99 
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for R720 R620 Server Power Supply 495W 3GHW3 N24MJ D495E-S0 F495E-S0
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  • $209.99 
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Switching Power Supply 1299300000 CP E SNT 150W 26V 6A M Switching Power Supply
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  • $347.99 
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for R900 A1570P-01 0HX134 CY119 M6XT9 1570W Server Power Supply
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  • $222.99 
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RSP-200-5 5V 40A 200W Single Output with PFC Function Switching Power Supply AC-DC
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  • $219.99 
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for X3550M2 X3650M2/M3 Server Power Supply 39Y7201 39Y7200 39Y7206
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  • $234.99 
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for DS2246 Power Supply FAS2240 Power Supply CA07336-C141 114-00065
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  • $381.99 
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PSU for 80plus Gold Flex NAS Small 1U 400W Power Supply DPS-400AB-12A ATX- 400W6P
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  • $317.99 
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PSU for FSP -5V PFC Standard 1U Rated 350W Peak 400W Switching Power Supply FSP350-601U
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  • $320.99 
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for FSP Group FSP460-701UG 80PLUS Rated 460W Server IPC Power Supply
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  • $356.99 
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1PC Original Fit for EMACS Working Server Power Supply for P1S-2300V-R 300W Fully Tested
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  • $413.99 
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PSU for Antec ISK 300-150 150W Switching Power Supply FP-150-8
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  • $331.99 
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Fit for Delta CRPS 500W Switching Power Supply DPS-500AB-9 A DPS-500AB-9 D DPS-500AB-9 E
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PSU for 500W Power Supply DPS-500AB-20A 746177-002 849655-003 PS-8501-2 849655-001
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  • $226.99 
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PSU for Inspiron 3670 3671 3980MT 1060 1070 8Pin 525W Power Supply 525W
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  • $331.99 
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PSU for ATX T168 G7 TS430 TS530 400W Switching Power Supply GPS-400CB B 36002109
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  • $341.99 
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for Hard Disk Enclosure/Disk Array Power Supply for ElanVital EVM-5004-10 500W Test
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  • $257.99 
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PSU for Flex Itx Small 1U K39 Rated 500W Switching Power Supply FL-500W
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  • $309.99 
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for XW6600 Power Supply 618W 442036-001 440859-001 DPS-650LB A
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for XW6600 Power Supply 618W 442036-001 440859-001 DPS-650LB A

Limited time offer, ends 05/23

  • Model #: KB09L19KCP1
PSU for ATX Rated 200W Switching Power Supply DR-350T SD-380R
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  • $187.99 
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PSU for FSP Industrial Computer Power Supply 350W Power Supply FSP350-60EGA FSP350-60EGN
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  • $520.99 
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for B200AS-00 2JWJ3 D200AS-00 PK64R H200NS-00 8C0JV Power Supply
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for B200AS-00 2JWJ3 D200AS-00 PK64R H200NS-00 8C0JV Power Supply

Limited time offer, ends 05/23

  • Model #: KB09L1B5PVK
PSU for FSP Small 1U 250W Power Supply DPS-250AB-44 A DPS-250AB-44 D DPS-250AB-44 K
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  • $306.99 
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PSU for FSP 80plus Bronze Small 1U 300W Power Supply SPI300F4BB
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  • $325.99 
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PSU for ThinkServer 80plus Bronze Flex Small 1U 250W Power Supply FSB009
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  • $287.99 
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PSU for FSP Flex NAS POS Small 1U K39 E200 5V12V 300W Switching Power Supply FSP300-60LG
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  • $240.99 
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PSU for PE1800 server power supply DPS-650BB A FD732 P2591 KD045 MAX 675W
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  • $204.99 
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PSU for x3850M2 x3950M2 server power supply DPS-1520AB A 39Y7354 39Y7355
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  • $197.99 
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PSU for Flex NAS HTPC Small 1U 250W Switching Power Supply DPS-250AB-24B
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  • $259.99 
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PSU for Flex NAS Small 1U NSC-400/401/410 150W Switching Power Supply DPS-150AB-5 B
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  • $264.99 
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for CommScope SFXA4251A Video Recorder 9664 32 I16 Power Supply
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for CommScope SFXA4251A Video Recorder 9664 32 I16 Power Supply

Limited time offer, ends 05/23

  • Model #: KB0BYXWD27V
Adjustable Switching Power Supply AC DC 1000W 48V 20A Voltage and Current
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  • $214.99 
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New Sealed 1746-P2 SER C Chassis Power Supply PLC 1746-P2 US Stock
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  • $324.99 
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SPI FSP350-60GNV 350W Active PFC Power Supply 6cm Ball-Bearing Fan
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  • $173.99 
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PSU for Flex NAS Small 1U -5V S3 250W Power Supply LMJD-2500
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  • $322.99 
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PSU for Delta AIO Flex NAS Small 1U 250W Power Supply DPS-250AB-35A
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  • $241.99 
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PSU for Enhance Flex Small Standard 1U -5V 250W Power Supply ENH-0625A ENH-0620A
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  • $256.99 
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for X3100 M4 Server 350W Power Supply DPS-350AB-16 B 00J6073 00J6069
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  • $234.99 
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PSU for XW8400 server power supply TDPS-825AB 405351-003 408947-001
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  • $197.99 
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S82K-03024 Switching Power Supply S82K03024 Sealed in Box 1 Year Warranty
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  • $243.99 
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FRM220-AC(90-240V) Power Supply Unit for FRM220-CH20 Chassis
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  • $376.99 
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for Server Power Supply for MRM-6600P-R MRM-6600P 600W Test Well
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  • $330.99 
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for T5500 Workstation Power H875EF-00 N875EF-00 875W J556T W299G
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for T5500 Workstation Power H875EF-00 N875EF-00 875W J556T W299G

Limited time offer, ends 05/23

  • Model #: KB09L192JRF
PSU for M1000E server power supply Z2360P-00 7001333-J100 MAX 2360W
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  • $394.99 
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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