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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 80plus Bronze 870 875 880 900 GA1 300W Power Supply PS-4301-2 L20530-001
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  • $231.99 
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3285197-A HDS HUS130 HUS110 HUS150 Expansion Cabinet Power Supply 600W Fully
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for S5000 Power Supply TFX0220D5WA PC8046 504965-001 PC8044 for HP-G2707F3P
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NewPSU for NEC AIO i5 HM55 HM65 HM75 Power Supply DPS-120TB A
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for X3750M4 1400W Power Supply 69Y5911 69Y5910 69Y5912 69Y5913
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  • $381.99 
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S8VK-G03024 Switching Power Supply S8VKG03024 Sealed in Box 1 Year Warranty
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  • $297.99 
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S82K-03012 Switching Power Supply S82K03012 Sealed in Box 1 Year Warranty
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  • $227.99 
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PSU for R525 G3 770W Power Supply DPS-770CB B CWED1108005634 E131881 36001952
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  • $370.99 
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for DL580 Gen8 Power Supply 660185-001 656364-B21 DPS-1200SA
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  • $234.99 
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for Thinkstation P500 P510 P700 Workstation 490W Power Supply 54Y8909 FSD010
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for C7000 Blade Box Power Supply 2450W 488603-001 500242-001
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  • $381.99 
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PSU for 2U Smart300 Rated 300W Switching Power Supply GPS-350CB A
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  • $444.99 
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PSU for ITX Flex NAS ABC Small 1U S3 K39 A35 600W Switching Power Supply LMJD-6000
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  • $413.99 
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Power Supply for DPS-600QB A 42D3345 42D3346 DS4700 EXP810 DS5020 EXP520
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  • $224.99 
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for X3500 X3550 X3650 M4 Power Supply DPS-750AB-14 A 69Y5871 69Y5872 Tested
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  • $301.99 
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6EP1332-1LD10 Power Supply Module 6EP13321LD10 Sealed in Box with Warranty
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  • $396.99 
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6EP1332-1LD00 Power Supply Module 6EP13321LD00 Sealed in Box with Warranty
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for 74Y6223 97P5676 39J2779 P Series Power Supply AWF-11DC-1400W
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  • $249.99 
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HSP650-S12D Switching Power Supply DC-DC Input 48V-60V 24A Output 12V 51.7A
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  • $370.99 
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6EP3332-6SB00-0AY0 24V/2.5A Stabilized Power Supply 6EP33326SB000AY0
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  • $242.99 
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PSU for NP3020M2 VM500SH 300W Switching Power Supply BTX-3031
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  • $320.99 
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MeanWell 500W Slim Type with PFC Switching Power Supply UHP-500
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  • $535.99 
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PSU for RH2288H RH1288 RH5885V3 750W Switching Power Supply EPW750-12A
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  • $472.99 
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for 7707 P6-550 Power Supply 44V4951 44V3559 44V5185 44v7292
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  • $381.99 
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PSU for ATX EPS12V Rated 500W OPP 600W Power Supply HK600-11PEP
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  • $387.99 
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for x3650M5 X3850X6 900W Power Supply 94Y8073 94Y8087 94Y8310 94Y8304
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  • $303.99 
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for 39Y7206 675W Power Supply Module (Model: FS7023) for X3550M2 M3 X3650M2 M3
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for P720 Power Supply 00E7187 8202 74Y5985 74Y8677 00E8277 00E8281
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for P630 6273 Power Supply PN;00P4342 00P5692 00P5745 09P5894 80P3677
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PSU for RH2288HV2 RH1288 RH5885V3 RH2285V2 460W Power Supply 02130957 DPS-460DB-12 A
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for H525AF-00 D5253A0 D5252E0 X008G 0G05V 6W6M10 525W power supply
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PSU for Z620 800W Switching Power Supply S10-800P1A 717019-001 623194-002 632912-002
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SFF 3020 9020 255W Desktop Power Supply 0FP16X D255AS-00 DPS-255KB A
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New 1PC 1606-XLB240E Power Supply US Stock New Factory Sealed
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  • $293.99 
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Power Supply for SR6604 SR6608 SR6616 S7500E 650W LSQM1AC650 PSR650A Fully Tested
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PSU for Delta R510 R520 G7 600W Power Supply TDPS-600CB B 36001787
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  • $343.99 
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PSU for 80plus Flex NAS 1U 400W Switching Power Supply ENH-1940 HK320-93FP HK250-93FP
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  • $430.99 
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New 1769-PA4 1769PA4 Power Supply 120/240VAC Input Module New
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PSU for Delta S10 650W Power Supply DPS-650PB A 41A9745 41A9746
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PSU for 48V PE2950 750W Switching Power Supply Z750N-00 7001263-Y000 0GW149 0GM928
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Optiplex 740 MT 305W ATX12V Desktop Power Supply N305P-06 NPS-305KB A C248C
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PSU for Roeyuta at PSII 300W Switching Power Supply RYT-450AT RYT-250AT
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Disassemble PSU for X3550/X3650M2/M3 460W power supply FSA021 39Y7229
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PSU for TFX 198V-242V 200W Switching Power Supply HK300-75PP
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PSU for GX50 GX150 SD 110W Switching Power Supply NPS-110CB A 854JE
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PSU for COLDWATT 650W Power Supply CWA2-0650-10-SM01-1 PWS-651-1R
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or T5810 T7810 685W Workstation Power Supply D685EF-01 F685EF-01 CYP9P
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PSU for R510 R410 R415 480W Power Supply D480E-S0 L480E-S0 H410J DPS-480CB A H411J
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Almost PSU for W380 300W Power Supply DPS-300AB-44 B S26113-E548-V50-01
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TDPS-150BB A Switching Power Supply 23-0000092-02 Output 12V 12.5A MAX
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for DD1100 DC Conversion Power Supply 48VDC to 12VDC 50A N600-75S12M
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for Symmetrix CX3-10 20 40 Small Computer Power Supply 071-000-521 API4SG10
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for Z840 Workstation 719799-001 758470-001 Power Supply DPS-1125AB-1A
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Almost PSU for 175W Switching Power Supply NPS-175AB A S26113-E530-V50-02
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  • $399.99 
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HSTNS-PC40 723595-501 500W Flex Slot Platinum HOT Plug Power Supply G9
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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