Desktop Computer Power Supplies
Desktop computer power supplies are essential components that provide the necessary electrical power to run a desktop computer system. These units convert input voltage from a wall outlet into various DC voltages that are required by the computer's internal components. They come in different wattages and efficiencies to meet the power demands of different systems. The power supply unit is responsible for distributing power to the motherboard, graphics card, hard drives, and other peripherals. Adequate power supply ensures stable performance and longevity of the desktop computer. Upgrade options are available for those seeking additional power or enhanced efficiency in their desktop computer power supplies.
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Topower TOP-RS1A ATX Power Supply Dual Hot Plug Units 115/230V 60A +5V
Topower
$125.00Was: $250.00Topower TOP-RS1A ATX Power Supply Dual Hot Plug Units 115/230V 60A +5V Redundant dual hot-plug ATX power supply with two independent PSU modules. Supports switchable 115/230V AC input and delivers multiple DC output rails for ATX-compatible systems...19417- SKU:
- 19417
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 17.00 LBS
- Brand:
- Topower
- Model:
- TOP-RS1A
- MPN:
- TOP-RS1A
- SKU:
- 19417
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes two hot-plug PSU units and all output wiring harnesses
- Form Factor:
- Dual Hot-Plug / Redundant ATX
- Country of Manufacture:
- Taiwan
- AC Input Voltage:
- 115/230V AC (switchable)
- AC Input Current:
- 8A @ 115V / 4A @ 230V
- Input Frequency:
- 60 / 50 Hz
- DC Output +5V:
- +5V @ 30A max load
- DC Output +12V:
- +12V @ 12A max load
- DC Output +3.3V:
- +3.3V / -5V / -12V additional rails
- Number of PSU Modules:
- 2 (dual hot-plug units)
- Cooling:
- Auto thermostatic smart fans (operate on demand)
- Enclosure:
- Stainless steel chassis
- Power Supply Type:
- ATX, Redundant / Hot-Plug
- Compatible With:
- ATX-compatible computer systems and industrial PCs
- Condition Notes:
- This Topower TOP-RS1A Dual Hot-Plug ATX Power Supply has been powered and tested at our facility and is in good working order. Both PSU modules are present and the unit powers on normally.
$125.00Was: $250.00 -
PanStar PS-2000P 200W AT Power Supply 115/230V 50/60Hz w/ Cables Switch
PanStar
$50.00Was: $100.00PanStar PS-2000P 200W AT Power Supply 115/230V 50/60Hz w/ Cables Switch This is a 200W AT form factor power supply used in desktop computers. It converts AC mains power to regulated DC outputs required by vintage PC systems. Specifications & What's...19619- SKU:
- 19619
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 5.00 LBS
- Brand:
- PanStar Electronics Co., Ltd.
- Model:
- PS-2000P
- MPN:
- PS-2000P
- SKU:
- 19619
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes full wire harness with connectors and power switch
- Form Factor:
- AT Desktop
- Power Output:
- 200W
- Power Requirements:
- 115/230V AC, 50/60Hz, 8A/4A
- Fuse Rating:
- F5A 250V
- Output Voltages:
- +5V, -5V, +12V, -12V
- Output Currents:
- +5V: 20A, -5V: 0.5A, +12V: 8A, -12V: 0.5A
- Connector Type:
- AT power connectors, Molex 4-pin, Berg floppy
- Compatible With:
- AT form factor desktop computers, vintage PC systems
- Certifications:
- UL Listed (E149857), CSA (LR78471), Level 3
- Country of Manufacture:
- Taiwan
- Condition Notes:
- This PanStar PS-2000P 200W AT Power Supply has been tested at our facility and is in good working order. The unit powers on and has been confirmed functional.
$50.00Was: $100.00 -
HP 0950-3426 Delta DPS-110MB-1 110W 20-Pin ATX Power Supply 100-240V PSU
HP
$30.00Was: $60.00HP 0950-3426 Delta DPS-110MB-1 110W 20-Pin ATX Power Supply 100-240V PSU This is a 110W ATX power supply unit manufactured by Delta Electronics for HP desktop computers. It converts AC input to regulated DC output across multiple voltage rails via a...19947- SKU:
- 19947
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 5.00 LBS
- Brand:
- HP (Hewlett-Packard)
- Manufacturer:
- Delta Electronics, Inc.
- Model:
- DPS-110MB-1 A
- Secondary Model:
- DPS-110MB-1
- MPN:
- 0950-3426
- SKU:
- 19947
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes all attached output harness cables. No additional accessories.
- Form Factor:
- Desktop / Small Form Factor ATX
- Power Output:
- 110W Max
- Input Voltage:
- 100–127V AC @ 4A / 200–240V AC @ 2A
- Input Frequency:
- 43–66 Hz
- Output Voltages:
- +5V, +12V, +3.3V, -12V, -5V, +5VSB
- Output Rails:
- +5V/10A, +3.3V/4A, +12V/3.5A, -12V/0.5A, -5V/0.3A, +5VSB/1.2A
- Connector Type:
- 20-Pin ATX Main Connector
- Power Connector:
- IEC C14 AC inlet
- Certifications:
- UL, CUL
- Country of Manufacture:
- China
- Hardware Revision:
- Rev 00
- Compatible With 1:
- HP desktop computers (small form factor)
- Compatible With 2:
- HP Vectra, HP Pavilion SFF series
- Type:
- ATX Power Supply Unit (PSU)
- Condition Notes:
- This HP 0950-3426 / Delta DPS-110MB-1 110W ATX Desktop Power Supply has been tested with a hand-held PSU tester at our facility and confirmed to be in good working order. The unit powers on and all voltage rails are functioning.
$30.00Was: $60.00 -
General Power Systems GP-S320 320W ATX Desktop Power Supply 115V/230V GPS
General Power Systems
$50.00Was: $125.00General Power Systems GP-S320 320W ATX Desktop Power Supply 115V/230V GPS This is a 320W ATX power supply designed for desktop computers. It operates on dual input voltage (115VAC or 230VAC) at 50/60Hz and provides multiple regulated DC output rails...28660- SKU:
- 28660
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 6.00 LBS
- Brand:
- General Power Systems (GPS)
- Model:
- GP-S320
- MPN:
- GP-S320
- SKU:
- 28660
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Unit only — no mounting hardware or documentation included.
- Form Factor:
- ATX
- Power Output:
- 320W
- Input Voltage:
- 115VAC / 230VAC
- Input Frequency:
- 50/60Hz
- Input Current:
- 6.0A @ 115V / 4.0A @ 230V
- Output Voltages:
- +3.3V, +5V, +12V, -12V, +5Vsb
- Output +3.3V Rail:
- 28.0A
- Output +5V Rail:
- 33.0A
- Output +12V Rail:
- 10.0A
- Output -12V Rail:
- 0.5A
- Output +5Vsb Rail:
- 2.0A
- AUX Output:
- 115VAC/230VAC, 2.0A / 1.0A
- Combined +3.3V/+5V Max:
- 175W
- Revision:
- Rev. 2.03
- Manufacturer:
- Yuan Kee Technology Co., Ltd.
- Compatible With:
- ATX desktop computers and compatible systems
- Connector Types:
- ATX 20-pin, Molex 4-pin, floppy, auxiliary
- Country of Manufacture:
- Taiwan
- Certifications:
- CB, CE, CCEE, UL
- Intel Specification:
- Intel version 2.03 compliant
- Suspend Mode Power:
- Under 27W
- Sleep Mode Power:
- Under 30W
- Condition Notes:
- This General Power Systems GP-S320 320W ATX switching power supply has been tested at our facility and is in good working order. The unit shows typical cosmetic wear consistent with prior use — minor scuffing on the steel chassis is visible in our
$50.00Was: $125.00 -
IBM 5641249 EC865172 3178C 5291-2 Terminal Base Power Supply Sanken 125V 1.6A
IBM
$60.00Was: $125.00IBM 5641249 EC865172 3178C 5291-2 Terminal Base Power Supply Sanken 125V 1.6A Open-frame power supply unit manufactured by Sanken Electric for IBM terminal systems. Supplies regulated DC power to IBM 3178C and 5291-2 display terminals via multi-pin...11472- SKU:
- 11472
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 5.00 LBS
- Brand:
- IBM / Sanken Electric Co., Ltd.
- Model:
- 5291-2
- Secondary Model:
- 3178C
- MPN:
- 5641249
- Secondary MPN:
- EC865172
- SKU:
- 11472
- Condition:
- Used – Powers On, Not Fully Tested
- Seller Notes:
- Unit powers on; green LED illuminates. Sold untested — unable to fully verify all outputs.
- Form Factor:
- Open Frame
- Compatible With:
- IBM 3178C Display Terminal, IBM 5291-2 Terminal
- Primary Fuse Rating:
- 125V 1.6A
- Power Switch Rating:
- 10A AC125V / 8A AC250V
- Output Connector:
- Multi-pin card-edge / blue DDK connector
- AC Input Connector:
- IEC C14 inlet
- Manufacture Date:
- 1983 (Date code: 15-83)
- Country of Manufacture:
- Japan
- Type:
- Terminal Base Power Supply
- Vintage / Era:
- 1983
- Condition Notes:
- This IBM 5641249 EC865172 Terminal Base Power Supply has been visually inspected and powers on — the green status LED illuminates when connected. However, we are unable to fully verify all DC output rails or perform a complete functional test of
$60.00Was: $125.00 -
Zenith ZDS 234-850 Desktop Power Supply ZFX-0248 115/230VAC 4.0/2.0A 60/50Hz
Zenith
$70.00Was: $135.00Zenith ZDS 234-850 Desktop Power Supply ZFX-0248 115/230VAC 4.0/2.0A 60/50Hz Internal desktop power supply designed for Zenith ZFX-0248 computer systems. Provides regulated AC-to-DC conversion with dual voltage input capability. Specifications &...12052- SKU:
- 12052
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 10.00 LBS
- Brand:
- Zenith Data Systems
- Model:
- ZDS 234-850
- MPN:
- ZDS 234-850
- SKU:
- 12052
- Condition:
- Used – Inspected and Tested
- Compatible With:
- Zenith ZFX-0248 Desktop Computer
- Form Factor:
- Internal Desktop
- Power Requirements:
- 115/230VAC, 4.0/2.0A, 60/50Hz
- Voltage Rating:
- 115/230 VAC
- Current Rating:
- 4.0A @ 115V / 2.0A @ 230V
- Frequency:
- 60/50 Hz
- Connector Type:
- IEC C14 AC inlet, Molex power harness
- Country of Manufacture:
- United States
- Seller Notes:
- Includes attached internal power harness with Molex connectors.
- Condition Notes:
- This Zenith ZDS 234-850 desktop power supply has been tested at our facility and is in good working order. The unit powers up and has been confirmed functional.
$70.00Was: $135.00 -
Dell PS-5231-1 74512 230W 20-Pin ATX Power Supply Dimension P90 For Parts
Dell
$50.00Was: $135.00Dell PS-5231-1 74512 230W 20-Pin ATX Power Supply Dimension P90 For Parts This is a 230W ATX power supply unit designed for Dell Dimension P90 desktop computers. It converts AC input to regulated DC outputs for system operation. Specifications &...12119- SKU:
- 12119
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 4.00 LBS
- Brand:
- Dell
- Model:
- PS-5231-1
- MPN:
- 00074512 Rev A07
- SKU:
- 12119
- Condition:
- As-Is / For Parts or Not Working
- Seller Notes:
- Sold as-is; requires matching Dell motherboard to test
- Form Factor:
- ATX Desktop
- Power Output:
- 230W
- Connector Type:
- 20-Pin ATX
- Input Voltage:
- 115V~5.5A / 230V~2.75A, 50-60Hz
- DC Output:
- +5V, +12V, -5V, -12V, +5VFP
- Compatible With:
- Dell Dimension P90
- Country of Manufacture:
- Taiwan, R.O.C. / Malaysia / China
- Ambient Temp Rating:
- 50°C Max
- Condition Notes:
- Dell PS-5231-1 230W ATX Power Supply. Used, good condition. Intact housing, undamaged connectors, fully functional. Typical cosmetic wear.
$50.00Was: $135.00 -
Sun Microsystems CR-86 300-1037-01 35W Power Supply 100-240V DC +5V +12V Sony
Sun
$40.00Was: $80.00Sun Microsystems CR-86 300-1037-01 35W Power Supply 100-240V DC +5V +12V Sony Internal power supply unit manufactured by Sony for Sun Microsystems CR-86 systems. Converts AC input to regulated DC outputs for component power distribution. Specifications...18619- SKU:
- 18619
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 4.00 LBS
- Brand:
- Sun Microsystems
- Model:
- CR-86
- MPN:
- 300-1037-01
- SKU:
- 18619
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Power supply unit only; output harness and IEC power inlet included
- Form Factor:
- Internal / Proprietary Sled
- Country of Manufacture:
- Singapore
- Manufacturer / OEM:
- Sony
- Power Requirements:
- AC 100-240V, 1.0A, 50/60Hz
- Output Voltage:
- DC +5V 2.0A; DC +12V 1.5A
- Power Rating:
- 35W
- Input Voltage:
- AC 100-240V
- Input Current:
- 1.0A
- Input Frequency:
- 50/60Hz
- Output 1:
- DC +5V @ 2.0A
- Output 2:
- DC +12V @ 1.5A
- Certifications:
- UL, CSA
- Compatible With:
- Sun Microsystems vintage workstations/computers
- Condition Notes:
- This Sun Microsystems CR-86 300-1037-01 35W power supply has been tested at our facility and is in good working order. The unit is in typical used condition consistent with its vintage — the metal chassis shows normal handling marks and light
$40.00Was: $80.00