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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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DC Switching Power supply 800W output 12/24/36/48V DC Power Supply Switch(0-48V)
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  • $329.99 
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DC Power Supply 800W Input AC185-264V Output 12/24/36/48V dc Power Supply Switching(24V)
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  • $331.99 
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DC Power Supply 800W Input AC185-264V Output 12/24/36/48V dc Power Supply Switching(80V)
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  • $331.99 
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DC Switching Power supply 800W output 12/24/36/48V DC Power Supply Switch(0-24V)
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  • $329.99 
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DPS-2000BB A for 4506 Blade Server Power Supply Module 74P4452 74P4453
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  • $370.99 
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for X3650 M4 Server DC Power Supply 750W 69Y5741 69Y5742 7001607-J000
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  • $298.99 
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for 5V26A Display 150WLED Power Supply Industrial Lighting Power Supply NES-150-5
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  • $243.99 
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Disassemble server power supply for ETASIS IFRP-352 P/N 9272CPSU-0011 MAX 350W
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  • $217.99 
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550W 1U Switch Power Supply for flex650 Flex ITX Computer Server PSU
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  • $348.99 
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Server Power Supply DPS-450SB C 450W 12V 36A Can be Connected to The Mine
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  • $181.99 
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/ SPS262-1S PWS-0055 260W 1U Server Switching Power Supply Fuente
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  • $229.99 
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for MW for Switching Power supply 24V 10A NDR-240-24 DIN rail Power supply 240W
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  • $195.99 
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DPS-460DB-12 A for RH1288 2288H V2 V3 server 460W power supply
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  • $202.99 
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for NF290D2/ NF5220 Server Power Supply EFRP-553V3 550W Condition New
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  • $256.99 
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Server Power Supply for R510 R910 6GTF5 06GTF5 CPS750-D121 750W Test
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  • $236.99 
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for DL160g8 Gen8 622381-001 622381-101 671797-001 DPS-500AB-3 A DPS-500AB 500W Power Supply
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for PE2500 PE4600 Server Power Supply 7000240-0003 0R0910 HD444 06F777 41YFD 300W Tested
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  • $224.99 
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for Etasis Server Power Supply EFRP-300 EFRP-2300 300W Tested
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  • $236.99 
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Server Power Supply for DPS-800AB-1 A S26113-E574-V53 800W Test
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  • $369.99 
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for Power Supply T168 T468 G7 TS430 350W DPS-350TB K 36002108 Tested
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for Power Supply T168 T468 G7 TS430 350W DPS-350TB K 36002108 Tested

Limited time offer, ends 05/23

  • Model #: KB0C3BG1MHZ
IBM 74Y6220 1600 WATT SERVER POWER SUPPLY MODULE 44V3086 44V7309 FC 5628
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  • $286.99 
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Replaceable Power Supply for Drobo 5D 5-Bay Storage Array, Thunderbolt/USB 3.0
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  • $178.99 
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for R220 R210 N250E-S0 NPS-250NB A 6HTWP 06HTWP 250W Server Power Supply
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  • $142.99 
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for CX700 CX600 Power Modules Redundant Power Supply 9T607 P/N:118031924
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  • $381.99 
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D480E-S0 DPS-480CB A for R410 R415 Server Power Supply MAX480W
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  • $204.99 
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for X3650 X3550 M5 Server Power Supply 94Y8143 94Y8144 DPS-750AB-28 A
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  • $306.99 
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for HS20 Server Power Supply DPS-1600BB A 74P4400 74P4401 1800W Tested Before Shipment
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  • $231.99 
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94Y8104 Hot Swap 550W Power Supply - x3650 M4 Server 658759194497
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  • $348.99 
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for MD1000 Server Storage Cabinet Power Supply MD 3000 488W MX838
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  • $313.99 
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for P2000G3 Power Supply 592267-001 7001540-J000 573W Storage Server
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  • $242.99 
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PSU for Dianjipa 80plus Gold Flex Itx Small 1U K39 500W Switching Power Supply MF 500F
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  • $302.99 
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PSU for Mini ITX Flex Small 1U A35 S3 K39 500W Switching Power Supply ZJD-715A1
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  • $219.99 
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Server Power Supply for X4450 T5220 T5240 A235 SPASUNM-07G 300-2138-03 Fully Tested
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  • $236.99 
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Server Power Supply for X4450 T5220 T5240 A235 SPASUNM-07G 300-2138-03 Tested
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  • $246.99 
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FS7023 FS7023-030G 39Y7206 7001484-J000 39Y7201 for server power supply module
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  • $229.99 
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RSP-200-5 5V 40A 200W Single Output with PFC Function Switching Power Supply AC-DC
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  • $240.99 
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for X3250 M4 Server Power Supply FSA008 FSA049 00AL203 00AL207 Tested
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  • $224.99 
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for 7889 Power Supply 39J3741 21P8243 97P6760 1475W P550/P55A Power Supply
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  • $381.99 
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PSU for Jiujiajiu AIO 1U 250W Switching Power Supply ATX-400
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  • $215.99 
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PC PSU for ATX Silent Power Supply Rated 325W Peak 4 25W Power Supply GW-B425ZN
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  • $196.99 
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for PS-6221-9 Universal PCA222 D10-220P1A FH-ZD271MGR Power Supply
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for PS-6221-9 Universal PCA222 D10-220P1A FH-ZD271MGR Power Supply

Limited time offer, ends 05/23

  • Model #: KB09L19XQZC
6EP1333-2AA01 Smart 120 W Stabilized Power Supply 6EP1 333-2AA01 Power Supply Module
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  • $396.99 
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HK250-93FP Flex 150W for Industrial computer server power supply
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  • $204.99 
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89Y8586 PC9059 180W 24-Pin Power Supply for ThinkCentre Edge 72 PC
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89Y8586 PC9059 180W 24-Pin Power Supply for ThinkCentre Edge 72 PC

Limited time offer, ends 05/23

  • Model #: KB0CGPM64BN
1PC Original Fit for Zippy P1H-6400P 1U Server Industrial Computer 400W Power Supply
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  • $446.99 
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MC2200B4-3-5R-02 for Server switching power supply module 2200W
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  • $370.99 
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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