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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 1U 400W Switching Power Supply GW-EPS1U400WB
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  • $399.99 
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PSU for CWT -5V 400W Switching Power Supply CWT-400BDP
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  • $210.99 
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Mean Well USP Switching Power Supply USP-150-36 150W 4.2A
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  • $117.99 
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PSU for Flex NAS Small 1U 250W Power Supply HK350-93FP
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  • $307.99 
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New Group FSP300-601U Power Supply 300W FSP300-601U
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  • $189.99 
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for FRVCP 1400W Power Supply D1200E-S2 DPS-1200MB-1B
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  • $307.99 
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PSU for MATX 1U L1 M99 480W Power Supply PWS-441P-1H
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  • $273.99 
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PS-2215 Portable 15A 13.8V Switching Power Supply
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  • $178.99 
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PSU for R-Senda 1U 450W Power Supply RSD-3600UP
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  • $253.99 
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PSU for 600W Switching Power Supply ATX-1560GA1
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  • $358.99 
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PSU for Sezolo 1U 300 Power Supply SZ-3301P
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  • $231.99 
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for RX600 S6 850W Power Supply DPS-850FBA E62433-007
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  • $306.99 
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for V440 DPS-680CB A 3001501 300-1851 3001851 Power Supply
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  • $241.99 
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Power Supply for R48-1000 R48-1000A 20A 1000W
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  • $240.99 
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250W 10-pin Power Supply HK350-12PP FSP250-30AGBAA PCE026
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  • $326.99 
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New in Box SKKR300/0.2-BVR New Power Supply Module
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  • $218.99 
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PSU for 300W Switching Power Supply DPS-300LB A
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  • $219.99 
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Switching DC Mini Power Supply(MCH-K3010DN 30V10A,220V)
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  • $353.99 
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PSU for Flex 1U 460W Switching Power Supply HK560-11UEP
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  • $401.99 
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8616 DVR Power supply DPS-300AB-81B generation FSP350-20GSV
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  • $195.99 
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EMC2 storcenterix4 Panel Power Supply DPS-400AB-5 D
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  • $356.99 
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IFRP-532NF IFRP-532NFE 530W Storage Power Supply 9273ECPSu
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  • $269.99 
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for CloudEngine 12800E core switch Power supply PAC3000S54
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  • $330.99 
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3B Scientific U33010-115 AC/DC Power Supply 5 kV (115V, 50/60Hz)
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  • $878.99 
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Almost PSU for 1U 350W Switching Power Supply ST-350U-AC
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  • $320.99 
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for 14-pin Power Supply HK280-23FP HK280-25FP PCB037 PCB038
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  • $187.99 
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for FSP500-50AAGA FSP500-50AGPAA Power Supply
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  • $196.99 
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Mean Well USP Switching Power Supply USP-500-12 500W 80A
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original Fit for Sony KD-75X8500C power supply APDP-132A1
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  • $214.99 
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PSU for FSP 400W Power Supply FSP400-60HLN
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  • $347.99 
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N2 Single Board Computer (SBC) (2GB) with Power Supply
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  • $153.99 
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S-1000-36 1000W, 28A, 36V DC Power Supply
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  • $358.99 
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for Zippy Power Supply P2U-6300P 2U 300W Will Fully Tested
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  • $424.99 
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1 PCS New Sealed 1769-PA2 Ser Power Supply Input Module
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  • $313.99 
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Elevator LCEREC Power Supply Board KM713140G05 713143H06
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  • $303.99 
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PSU for Aopen 375W Switching Power Supply FSP375-60GCU
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  • $313.99 
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6EP1332-1LA00 power supply
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6EP1332-1LA00 power supply
  • Model #: KB0C3M3RZY9
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  • $224.99 
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Communication Power Supply AMU02C Monitoring
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  • $269.99 
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PSU for SFX MATX 350W Switching Power Supply SS-350SFE
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  • $350.99 
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PSU for FSP 360W Power Supply FSP360-20UCBB
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  • $239.99 
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for MW for Switching Power Supply SE-600-27 27V 22.2A 600W
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  • $274.99 
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A61PN Power Supply Unit A61PN Sealed in Box 1 Year Warranty
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  • $398.99 
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PSU for Bestec at P8P9 250W Power Supply BPS-2504-4TU
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  • $332.99 
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for MW SE-600-24 600W 24V 25A Power Supply
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  • $333.99 
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PWS-201-1H for 200W 1U Multi-Output Power Supply
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  • $382.99 
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for X3610 DPS-600RB E 44X1801 44X1802 600W Power Supply
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  • $242.99 
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for DPS-1200TB E 12V 100A 1200W Switching Power Supply
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  • $237.99 
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Fender Engine Room LVL12 500mA Power Supply and Professional Large Pedal Board with Case
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  • $972.99 
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S8VK-G06024 Switching Power Supply,1-Year Warranty
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  • $351.99 
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FSP250-60GTA for FSP Industrial Computer Power Supply
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  • $370.99 
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Altronix AL600ULACMCB Power Supply/Chargers w/Access Power Controllers
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  • $918.99 
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PSU for SFX MATX 350W Power Supply SS-350SFE
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  • $363.99 
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PS-6301-07 832005-001 for Desktop 300W Power Supply
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  • $185.99 
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Switching DC Mini Power Supply(MCH-K305DN 30V5A,110V)
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  • $334.99 
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Switching DC Mini Power Supply(MCH-K302DN 30V2A,110V)
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  • $334.99 
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PSU for FSP -5V 1U 250W Power Supply FSP250-601U
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  • $373.99 
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Mean Well USP Switching Power Supply USP-150-24 150W 6.3A
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  • $117.99 
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for NF5580A NF380D MRM-6600P-R MRM-6600P 600W Power supply
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  • $216.99 
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FSP350-60PLN for FSP Industrial Computer Power Supply
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  • $283.99 
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PSU for RongNing Shuma at P8P9 600W Power Supply HQ-AT600W
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  • $363.99 
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for ESR-48/56AC DPR-48/50-D-DCE Power Supply 53.5V 50A
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  • $319.99 
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Power Supply DPS-450DB C HD154-1600 1600SC 450W Switching
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  • $385.99 
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for 720479-B21 723599-001 754381-001 Gen9 800W Power Supply
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  • $329.99 
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for TONLIER HR4850 48V 50A Switching Power Supply
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  • $319.99 
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(1PC) SE-1500-24 1500W Single Output Power Supply 24V 62.5A
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  • $387.99 
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HK260-55GP for Desktop PC Power Supply ATX12V series
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  • $204.99 
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HK300-41FP for Desktop PC Power Supply SFX12V series
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  • $148.99 
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HK300-41GP for Desktop PC Power Supply SFX12V series
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  • $148.99 
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Power Supply Alfatronix AD115/230V / 12V 6(10) Ampers
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  • $180.99 
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PSU for 500W Power Supply ST-500EAP FSP500-50HPN
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  • $469.99 
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Switching Power Supply SWS300A-12/C02 12V26A
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  • $287.99 
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for COSEL for PBA1000F-15 Switching Power Supply
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  • $294.99 
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for DPS-750QB A SR2600UR 750W power supply
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  • $338.99 
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PSU for FSP ATX 500W Power Supply FSP500-60WSA
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  • $373.99 
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D495E-S1 for Rack Servers EPP 495W Switching Power Supply
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  • $209.99 
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FSP300-70PFU for industrial computer power supply
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  • $320.99 
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Switching Power Supply SWS300A-5/C02
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  • $270.99 
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for R48-2500 2500W Switching Power Supply Tested
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  • $299.99 
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for Video Recorder 16-Way Power Supply DPS-250AB-101A
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  • $239.99 
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S8JX-P15024 Switching Power Supply,1-Year Warranty
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  • $376.99 
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PSU for Flex Small 1U 150W Power Supply ENP-7015B
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  • $210.99 
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for W0PSA2500 PSC250-A 250W POE Series Switch Power Supply
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  • $274.99 
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PSU for Sezolo 1U 300 Power Supply SZ-3301P
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  • $273.99 
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for 470 D1257 H2370 D550P-00 DPS-550DB A Power Supply
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  • $253.99 
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PSU for Enhance ATX 450W Power Supply ATX-1245GA
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  • $304.99 
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Switching Power Supply SP-0324
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Switching Power Supply SP-0324
  • Model #: KB07TM8MFCL
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  • $312.99 
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Switching DC Mini Power Supply(MCH-K3010DN 30V10A,110V)
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  • $353.99 
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CPR-4011-4M1 for Compuware Power Supply 400W
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  • $349.99 
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FSP200-30AHSCO HK300-11PP GW-SDM200SDA 12-pin Power Supply
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  • $223.99 
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for 2900 PE2900 Power Supply A930P-00 Z930P-00 KX823 U8947
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  • $225.99 
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PSU for EVOC at P8P9 250W Power Supply PS-7271/AT PS-270A
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  • $373.99 
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NX5-PRVM5B Power Supply NX5PRVM5B Sealed in Box
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  • $241.99 
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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