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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 PE 1300 Server Power Supply 330W 1H070
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  • $309.99 
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D250E-S0 for R230 R240 server power supply P59VM
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  • $328.99 
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A2360P-00 for M1000E server power supply 2360W
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  • $394.99 
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for T100 T400 G6 DPS-300GB-1 H 300W Server Power Supply
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  • $277.99 
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for GW-ERP2U700(90+)-2H 700W server Power supply
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  • $352.99 
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for T3500 Power Supply DPS-525FB A H525AF-00 N525EF-00
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for T3500 Power Supply DPS-525FB A H525AF-00 N525EF-00

Limited time offer, ends 05/23

  • Model #: KB09L1B53P6
for Server Power Supply for PWS-2K04A-1R 2000W Work Good
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  • $344.99 
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PSU for 1U 400W Switching Power Supply RYT-400U
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  • $306.99 
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PSU for ITX Flex Small 1U K39 500W Power Supply LMJD-5000
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  • $348.99 
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PSU for Flex NAS Small 1U 350W Power Supply LMJD-3500
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  • $231.99 
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7000758-0000 for X225 X226 X345 server 514W power supply
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  • $345.99 
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PSU for IPC 1U 300W Switching Power Supply GW-EPS1U300HC-YD
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  • $322.99 
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PSU for Micro 200W Switching Power Supply SD-S250SA
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  • $210.99 
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PWS-706P-1R for 750W 1U Redundant Power Supply
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  • $377.99 
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ENP 7145B Flex Small 1U Power Supply 450w Dual CPU 8PIN
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  • $225.99 
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PSU for FSP ATX 500W Power Supply FSP500-60EPN FSP600-60EPN
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Switching Desktop LPX-14 Power Supply
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  • $274.99 
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PSU for NAS POS 1U 250W Switching Power Supply HK354-11UEP
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  • $306.99 
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for X343 DPS-350MB-1 01R0838 RPS-350-1 350W Power Supply
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  • $258.99 
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PSU for FSP Flex Small 1U 250W Power Supply FSP250-50GUB
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  • $198.99 
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PSU for FSP 2U 400W Power Supply FSP400-60WS2 FSP400-60GN
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  • $380.99 
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140CPS11420 Power Supply Module Sealed in Box 1 Year Warranty Fast Shipment
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  • $1,026.99 
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DPS-550AB-2 A for Server platinum power supply 550W
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  • $185.99 
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PSU for Liteon Pazer 650W Switching Power Supply PS-8651-2
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PWS-902-1R for 900W 1U Redundant Power Supply
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  • $229.99 
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PWS-721P-1R for 720W 1U Redundant Power Supply
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  • $202.99 
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PWS-741P-1R for 740W 1U Redundant Power Supply
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  • $390.99 
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Server Power Supply for EFRP-553V1 550W Tested
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  • $394.99 
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PWS-981-1S for 980W 1U Redundant Power Supply
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  • $394.99 
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for MW for 24V 25A 600W Switching Power Supply SE-600-24
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  • $277.99 
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for T300 Server Power Supply H490P-00 N490P-00 DU643 JY138
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  • $304.99 
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for Nexus 2000 Power Supply N2200-PAC-400W N2200-PDC-350W-B
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  • $347.99 
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PSU for Small 11U 200W Power Supply DPS-200PB-209A
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FSP1200-20DRM-C for RQ750 1200W server power supply
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  • $394.99 
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for ESC4000G2 CPR-1621-1M2 1620W Server Power Supply
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  • $239.99 
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for PWS-1K28P-SQ 1280W Server Power Supply
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  • $253.99 
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for PWS-1K28P-SQ 1280W Server Power supply
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  • $235.99 
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ADATA ATX Power Supply 850W
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ADATA
ADATA ATX Power Supply 850W
  • Model #: KB085MRMZYY
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  • $198.99 
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PSU for Lianli 1U 500W Switching Power Supply LL1U500APFC
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  • $397.99 
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FSP150-50LE for FSP 1U Industrial Computer Power Supply
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  • $167.99 
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for IEI ACE-A160A 600W Industrial Computer Power Supply
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  • $227.99 
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V1500B-IWN for VALERE Power Supply 24V75A Tested
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  • $349.99 
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Lexmark Low Voltage Power Supply Card Assembly (40X2062)
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  • $349.99 
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2904601, Primary Switched Power Supply with Selective Fuse Breaking Technology
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  • $1,069.99 
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S-1000-24 1000W, 42A, 24V DC Power Supply
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  • $381.99 
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for Enhance 1U 150W Power Supply ENP-7015B ENP-7015D
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  • $181.99 
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for Enhance 1U 150W Power Supply ENP-7015B ENP-7015D
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  • $174.99 
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PWS-203-1H for 200W 1U Multi-Output Power Supply
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  • $394.99 
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PSU for CS24 -SC 1U 400W Power Supply FS6011
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  • $210.99 
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PSU for Daohe 1U 350W Power Supply DH-355P
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for OPTIDTE 7050 Desktop Power Supply 3050 5050 240W 0M2WH
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for OPTIDTE 7050 Desktop Power Supply 3050 5050 240W 0M2WH

Limited time offer, ends 05/23

  • Model #: KB09L1B8CY7
PSU for 1U 350W Power Supply GIN-6350P G1N-6350P R2G-6350P
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  • $391.99 
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PSU for IPC Security 1U 250W Power Supply DPS-250AB-59 B
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  • $227.99 
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PSU for IEI Flex Small 1U 20Pin 200W Power Supply ACE-816A
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  • $370.99 
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TENMA 72-7660 POWER SUPPLY, DC REGULATED, 31.5V, 10A
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  • $450.99 
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LRS-350 Series Switching Power Supply(4.2V_350W)
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  • $214.99 
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for OPX 960DT mid-Chassis Power Supply 780DT 760 FR579
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  • $225.99 
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for S3900/S5500T/S5600T Power Supply 650W HSP650-S12A
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  • $234.99 
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PDC2000S12-B1 for Server Power Supply 2000W
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  • $422.99 
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PSU for 1U 250W Switching Power Supply GW-EPS1U250HC-DH
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  • $313.99 
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PSU for 24V12V 2P 500W Power Supply ST-P0501PAA
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PSU for R-Senda Micro 200W Power Supply SD-S250SA
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  • $218.99 
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PSU for FSP 1U 250W Power Supply FSP250-60WS1
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  • $301.99 
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PSU for FSP -5V 610L 610H 300W Power Supply FSP300-60PLN
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PWS-801-1R for 800W 1U Redundant Power Supply
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  • $229.99 
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PSU for Flex NAS Small 1U 250W Power Supply HK353-11UEP
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  • $276.99 
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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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PSU for IPC-810E -5V -12V 250W Power Supply HK350-15AP
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  • $339.99 
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Power Supply 200 Watt 702912-001 E.One 800 G1
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SE-450-5 AC/DC Power Supply Single-Out 5V 75A 375W 9-Pin
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  • $300.99 
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Emacs M1W-6500P 500W HotSwap Power Supply B011300017
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  • $268.99 
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for FSP460-701UG 80PLUS 460W 1U Power Supply
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  • $229.99 
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for FSP460-701UG 80PLUS 460W 1U Power supply
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  • $225.99 
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SP382-TS for 380W 1U Redundant Power Supply PWS-0050-M
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  • $382.99 
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Power Supply 16Vac 1 5Amp 40Va W/2 Relay+ 12Vdc 1 2A
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  • $223.99 
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1600SC Redundant Power Supply 450W DPS-450FB
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  • $376.99 
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1 PCS New in Box 6EP1334-2BA20 6EP1 334-2BA20 Power Supply
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  • $295.99 
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for C20 FSP800-09LEN 54Y8842 725W Power Supply
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  • $260.99 
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original Fit for Sony KD-75X8500C power supply APDP-132A1
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  • $214.99 
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Almost PSU for 1U 600W Switching Power Supply PWS-601-1H
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PSU for R520G7 750W Power Supply PS-2751-2F-LF
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  • $298.99 
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1 PCS New Sealed 1746-P1 SER Power Supply Module 1746P1 New
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  • $259.99 
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PWS-2K04A-1R for 2000W 1U Redundant Power Supply
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  • $394.99 
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PSU for 300W Power Supply ST-300U1A ST-300UAG-05E
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  • $282.99 
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Elevator LCEREC Power Supply Board KM713140G05 713143H06
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  • $303.99 
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PSU for 1U 300W Switching Power Supply ST-300U-AC
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  • $310.99 
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PSU for ATX 500W Switching Power Supply ATX-0650AG2
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  • $380.99 
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PSU for 1U 400W Switching Power Supply HK500-11UEP
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  • $373.99 
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PC PSU for TG PCI-E Rated 500W Peak 750W Power Supply TG750
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  • $225.99 
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Schneider Power Supply ABL8RPS24030, New in Box, One Year Warranty!
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  • $1,008.99 
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for X3650 94Y8078 94Y8079 750W Power Supply
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for X3650 94Y8078 94Y8079 750W Power Supply

Limited time offer, ends 05/23

  • Model #: KB0CMY33ZBQ
Power Supply L350E-S1 80 Plus 350w Server Switching
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  • $436.99 
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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