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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 ML150G5 459558-001 461512-001 TDPS-650BB B 650W Server power supply
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  • $241.99 
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for ML150G5 459558-001 461512-001 TDPS-650BB B 650W Server Power Supply
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  • $231.99 
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for ML110G7 644744-001 629051-001 S10-350P1A 350W Server Power Supply
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  • $173.99 
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for 7010656 7010640 7010656 7066557 2540M2 2530-M2 Storage Power Supply
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  • $303.99 
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Power Supply VS650 for Active PFC 80plus EU Supporting Dorsal Line Silent Non-Modular
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  • $298.99 
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PSU for Thunderobot 1050 1060 1070 1080 Rated 500W Power Supply ATX-550
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  • $213.99 
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Server Power Supply for S-1100ADU00-201 G84027-007 1100W Fully Tested
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  • $374.99 
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PSU for ML110 G7 350W Power Supply 629051-001 644744-001 S10-350P1A
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  • $203.99 
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for X3650M4 X3550M4 94Y8086 43X3313 750W server power supply
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  • $185.99 
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for DL160g8 622381-001 622381-101 671797-001 DPS-500AB-3 A DPS-500AB 500W Power supply
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DPS-250AB-77 A for Industrial Power Supply 99Y1408 99Y1409 Disassembly
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DPS-250AB-77 A for Industrial Power Supply 99Y1408 99Y1409 Disassembly

Limited time offer, ends 05/23

  • Model #: KB0CL55Y4WN
PSU for VCR 75W 20Pin SATAx4 Switching Power Supply PUI108E-2Z DPS-75VB B
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  • $203.99 
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PSU for DC7800 DC7900 DC7608 MT Power Supply PS-6361-4HP 437357-001 437799-001
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for 7888 39J2779 97P5676 74Y6223 00E6729 Power Supply P5-570
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  • $234.99 
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PSU for EVOC ATX 810 820 250W Power Supply PS-7270B PS-7270B/ATX
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  • $341.99 
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CPR-4011-4M1 for Compuware 400Watt Redundant Power Supply +12V 33A
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  • $323.99 
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for DL320G5 432932/432171-001 PS-6421-1C- 420W Server Power Supply
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  • $187.99 
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PSU for Inspiron 3670 3671 3980MT 1060 1070 8Pin 525W Switching Power Supply 525W
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  • $322.99 
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X3950M2 Server Power Supply DPS-1520AB A 39Y7355 39Y7354 12V152
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  • $183.99 
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1PC Genuine Fit for FSP FSP350-701UJ 350W 1U ATX Industrial Computer Power Supply
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  • $292.99 
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PSU for AIO Flex POS NAS Small 1U K39 500W Switching Power Supply FLEX-5000
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  • $327.99 
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for X3755 M3 Server Power Supply PS-2112-2M 1100W 00J5945 00J5944
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  • $234.99 
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for NF8420M3 V07K4020R000300E 2+1 redundant Power Supply Module
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  • $376.99 
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for Eurocom U1A-D10550-DRB redundant Power Supply Hardware: 10/1.2 Software: SA0/SA2
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  • $314.99 
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for PE 2900 Server Power Supply 7001049-Y000 A930P-00 KX823 0U8947
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  • $234.99 
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592267-001 481320-001 YM-3591A MSA2000 MSA2300 573W Server Power supply
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  • $234.99 
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RSP-320-36 36V 8.9A 320W Single Output with PFC Function Switching Power Supply AC-DC
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  • $255.99 
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for 39Y7392 39Y7393 X3400M2 X3500M3 670W Server Power Supply
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  • $206.99 
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PC PSU for TG PCI-E Rated 500W Peak 750W Switching Power Supply TG750
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  • $264.99 
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for DPST-1400BB UCSC-PSU2V2-1400W 341-0720-01 Server Power Supply
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  • $399.99 
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PSU for Single Mini1U 180W Power Supply FLXA5181A FLXA 5181A-07EB
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  • $315.99 
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DPS-400AB-12A Globally applicable rated 400W for small 1U flex computer power supply
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  • $283.99 
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for D1300EF-02 V5K16 1300W Power Supply T5810 T7810 T7910 Power Supply
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  • $468.99 
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for 5541806-A StorageWorks 9500 Power Supply HS1502 hds Power Supply
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  • $472.99 
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for 748287-B21 748896-001 748283-001 746073-001 G9 1200W Power Supply
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for 748287-B21 748896-001 748283-001 746073-001 G9 1200W Power Supply

Limited time offer, ends 05/23

  • Model #: KB0C3BJD3JV
PWS-563-1H for 560W/600W 1U Multi-Output Power Supply 1x 24 Pin ATX (Motherboard)
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  • $246.99 
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AC Switching Power Supply CE6800 5700 350W PAC-350WA-F Module Fully Tested
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  • $386.99 
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PSU for AIO Flex NAS 1U 80plus Gold 400W Power Supply DPS-400AB-12D
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  • $235.99 
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PSU for FSP Flex ITX Small 1U 250W Switching Power Supply FSP250-50SAV
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  • $303.99 
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Original 98Y2218 44W8229 45W8841 for Fit for IBM V3500 V3700 V500 Server Power Supply
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  • $422.99 
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Power Supply for NF5220 NF5240M3 SA5212S 550W 2U GW-2UR550 Will Fully Tested
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  • $249.99 
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PSU for RS-450 80plus Bronze Rated 450W Peak 550W Switching Power Supply GPS-450EB D
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  • $379.99 
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PSU for IPC Flex POS NAS ATM Small 1U 300W Power Supply HK400-92FP
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  • $253.99 
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PSU for IPC Flex POS NAS ATM Small 1U 300W Power Supply HK400-92FP
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  • $300.99 
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PSU for r Micro Pos 220V Rated 200W Switching Power Supply CT-300MP5
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  • $223.99 
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FSP450-20TGBAB for M310 M410 M415 M510 M610 TFX Power Supply 450W
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FSP450-20TGBAB for M310 M410 M415 M510 M610 TFX Power Supply 450W

Limited time offer, ends 05/23

  • Model #: KB0D9C7BVK8
NEW ALTRONIX AL600ULXB CHARGER POWER SUPPLY 24V-DC PCB CIRCUIT BOARD B475897
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  • $318.99 
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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