Desktop Computer Power Supplies

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.

  • Sun Microsystems APS-28 power supply front-left angled view showing perforated metal housing and output wire harness Sun APS-28 power supply rear view showing IEC C14 AC inlet connector and rocker power switch

    Sun Microsystems APS-28 300-1080-02 Power Supply 53W AC100-240V DC+5V +12V

    Sun

    $59.00
    Was: $135.00
    Sun Microsystems APS-28 300-1080-02 Power Supply 53W AC100-240V DC+5V +12V Internal power supply unit for Sun Microsystems workstations and servers. Converts AC input to regulated DC outputs for system operation. Specifications & What's...
    16165
    SKU:
    16165
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    Sun Microsystems
    Model:
    APS-28
    MPN:
    300-1080-02
    SKU:
    16165
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Power supply only; output wire harness included
    Form Factor:
    Internal / Inline
    Country of Manufacture:
    Japan
    Power Requirements:
    AC 100-240V, 1.4-0.75A, 50/60Hz
    Output Power:
    53W MAX (Secondary Windings Total)
    DC Output Voltages:
    DC +5V @ 4.5A MAX; DC +12V @ 4A MAX
    Input Connector:
    IEC C14 (standard PC power inlet)
    Compatible With:
    Sun Microsystems workstations and systems
    Certifications:
    UL, CSA, CE (Level 3)
    Manufacturer:
    Manufactured by Sony for Sun Microsystems
    Condition Notes:
    This Sun Microsystems APS-28 power supply (P/N 300-1080-02) has been powered and tested at our facility and is in good working order. The unit is in good used condition overall, with normal cosmetic wear consistent with previous service — minor
    $59.00
    Was: $135.00
  • Digital 874-E rackmount power supply front panel view showing circuit breaker, indicator lights, and hardwired input cable Digital 874-E power supply rear panel showing multiple twist-lock output receptacles and ventilated top cover

    Digital 874-E Power Supply 5.76 KVA 220-240V 24A 50-60Hz CB 30A Rackmount

    Digital

    $70.00
    Was: $150.00
    Digital 874-E Power Supply 5.76 KVA 220-240V 24A 50-60Hz CB 30A Rackmount Single-phase rackmount power supply manufactured by Digital Equipment Corporation. Rated at 5.76 KVA with input specifications of 220-240V AC, 50-60Hz, 24A, and a 30A circuit...
    15936
    SKU:
    15936
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    16.00 LBS
    Brand:
    Digital Equipment Corporation (DEC)
    Model:
    874-E
    MPN:
    874-E
    SKU:
    15936
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Includes hardwired input power cable (bare-end leads)
    Country of Manufacture:
    United States
    Form Factor:
    Rackmount
    Power Requirements:
    220-240V AC, 50-60Hz
    Voltage Rating:
    220-240V AC
    Current Rating:
    24A
    Power Rating:
    5.76 KVA
    Frequency:
    50-60Hz
    CB Rating:
    30A
    Phase:
    Single Phase
    Output Connectors:
    Multiple twist-lock receptacles (rear panel)
    Certifications:
    UL, CSA (DM mark visible on label)
    Compatible With:
    Digital Equipment Corporation (DEC) systems
    Condition Notes:
    Digital 874-E 5.76 KVA Rackmount Power Supply — used, pulled from a working environment. Inspected and in good condition. Includes hardwired input cable. Nameplate intact. Please contact us with any questions.
    $70.00
    Was: $150.00
  • HP 0950-2776 150W desktop power supply front view showing fan, IEC inlet, and wiring harness HP 0950-2776 DCH1506-08P power supply rear/side view showing ventilation and output cables

    HP 0950-2776 150W Power Supply DCH1506-08P for HP Vectra 12-Pin Proprietary

    HP

    $74.00
    Was: $125.00
    HP 0950-2776 150W Power Supply DCH1506-08P for HP Vectra 12-Pin Proprietary Internal desktop power supply unit rated for 150W continuous output. Supplies multiple voltage rails to support HP Vectra systems via a 12-pin proprietary connector...
    15793
    SKU:
    15793
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    HP (Hewlett-Packard)
    Model:
    0950-2776
    MPN:
    0950-2776
    Secondary Model:
    DCH1506-08P
    SKU:
    15793
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Power supply unit only; no additional accessories included.
    Form Factor:
    Desktop / Internal
    Power Output:
    150W Max Continuous
    Power Requirements:
    100–240V AC, 50/60Hz, 3.0A
    Connector Type:
    12-Pin HP Proprietary
    DC Output +3.3V:
    10A
    DC Output +5V:
    16A
    DC Output +12V:
    5.0A
    DC Output -12V:
    0.3A
    DC Output -5V:
    0.1A
    DC Output +5V TRKL:
    0.72A
    Compatible With:
    HP Vectra Desktop Series
    Country of Manufacture:
    India
    Manufacturer (OEM):
    Quality Components & Systems Pte Ltd
    Condition Notes:
    This HP 0950-2776 150W Desktop Power Supply has been powered and tested at our facility and is in good working order. The unit shows normal cosmetic wear consistent with prior use, including light scuffing on the metal housing.
    $74.00
    Was: $125.00
  • Acer AP4300 Delta DPS-145PB-82 145W ATX power supply – three-quarter front view showing output cables, IEC inlet, power switch, and cooling fan Delta DPS-145PB-82 ATX power supply – rear panel view showing IEC C14 AC inlet, rocker power switch, and 80mm exhaust fan

    Acer AP4300 Delta DPS-145PB-82 145W ATX Desktop Power Supply 100-240V Rev 01

    Acer

    $27.20
    Was: $45.00
    Acer AP4300 Delta DPS-145PB-82 145W ATX Desktop Power Supply 100-240V Rev 01 This is an ATX form factor power supply unit manufactured by Delta Electronics for Acer AP4300 series desktop computers. It converts AC input power to regulated DC outputs for...
    15715
    SKU:
    15715
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Acer
    OEM Manufacturer:
    Delta Electronics, Inc.
    Model:
    AP4300
    Secondary Model:
    DPS-145PB-82 A Rev 01
    MPN:
    56.04145.1Q2
    SKU:
    15715
    Condition:
    Used – Inspected
    Seller Notes:
    Unit only — no accessories included.
    Form Factor:
    ATX
    Power Output:
    145W (Max Power 144.6W)
    Input Voltage:
    100-127V AC / 4.0A; 200-240V AC / 2.0A
    Input Frequency:
    47-63Hz
    Output +5V:
    15A
    Output +12V:
    3A
    Output +3.3V:
    12A
    Output -12V:
    0.3A
    Output +5VSB:
    3A
    Combined +3.3V & +5V Max:
    100W
    Country of Manufacture:
    China
    Compatible With:
    Acer AP4300 series desktop computers
    Power Connector:
    20-pin ATX main, 4-pin Molex, floppy
    Certifications:
    UL, CE, CIB, N (China CCC)
    Condition Notes:
    This Acer AP4300 Delta DPS-145PB-82 145W ATX desktop power supply has been inspected and is in good used condition. The unit shows normal cosmetic wear consistent with prior use — the chassis and fan grille are clean with no significant damage
    $27.20
    Was: $45.00
  • Compaq PS4040 350W hot-plug power supply 224207-001 – three-quarter front view showing fan and maroon release handle Compaq PS4040 power supply – rear face showing IEC C14 inlet, status LEDs, and large 80mm cooling fan

    Compaq PS4040 350W Hot-Plug Power Supply 224207-001 224208-002 100-240V

    Compaq

    $42.80
    Was: $135.00
    Compaq PS4040 350W Hot-Plug Power Supply 224207-001 224208-002 100-240V Hot-plug redundant power supply module designed for Compaq PS4040 Series servers. Rated at 350W with universal AC input (100-240V), allowing concurrent operation and replacement...
    15561
    SKU:
    15561
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    13.00 LBS
    Brand:
    Compaq
    Model:
    PS4040
    MPN:
    224207-001
    Secondary Model:
    224208-002
    SKU:
    15561
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Power supply only; no additional accessories included.
    Form Factor:
    Hot-Plug / Hot-Swap Module
    Power Rating:
    350W
    Power Requirements:
    100-240V AC, 6A, 50-60Hz
    Voltage Rating:
    100-240V AC
    Current Rating:
    6A
    Frequency:
    50-60Hz
    Connector Type:
    Proprietary blade connector (hot-plug backplane)
    Certifications:
    UL, cUL, TÜV, CE, N
    Country of Manufacture:
    China
    Compatible With:
    Compaq PS4040 Series servers
    Type:
    Hot-Plug Redundant Power Supply
    Condition Notes:
    This Compaq PS4040 350W hot-plug power supply (P/N 224207-001) has been tested at our facility and is in good working order. The unit is cosmetically consistent with normal use — the housing shows light surface wear and the maroon hot-swap handle
    $42.80
    Was: $135.00
  • HP D4898-63003 hot-swap power supply – bottom/rear view showing vent grille, POWER and ONLINE indicators HP D4898-63003 label closeup showing model DG3-5CBDDC, 100-240V input, 370W DC output rails and part numbers

    HP D4898-63003 370W Hot-Swap Power Supply PSU LXR Network Server DG3-5CBDDC

    HP

    $112.00
    Was: $225.00
    HP D4898-63003 370W Hot-Swap Power Supply PSU LXR Network Server DG3-5CBDDC A 370W hot-swap power supply module manufactured by Omega Power Systems for HP LXR Network Servers. This unit provides multiple DC output rails for server operations and accepts...
    15517
    SKU:
    15517
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    10.00 LBS
    Brand:
    HP (Hewlett-Packard)
    Model:
    D4898-63003
    Secondary Model:
    DG3-5CBDDC
    MPN:
    D4898-63003
    Exchange Part Number:
    D4898-69003
    SKU:
    15517
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Power supply only; no additional accessories included.
    Compatible With:
    HP LXR Network Server
    Form Factor:
    Hot-Swap Module
    Power Output:
    370W DC Max
    Input Voltage:
    100–240V AC, 7A, 50/60Hz
    DC Output Rails:
    +5.1V/25A, +3.3V/20A, +12V/15A, -12V/1A, +5V/0.2A
    Manufacturer:
    Omega Power Systems, Inc.
    Country of Manufacture:
    USA
    Type:
    Hot-Swap Server Power Supply
    Condition Notes:
    This HP D4898-63003 370W hot-swap PSU has been tested and is in working order. Good used condition with light surface wear. Housing, blue connector, and vent grille are intact. Please view photos and contact us with questions.
    $112.00
    Was: $225.00
  • Astec ATX145-3485 145W ATX power supply – front-left three-quarter view showing housing, fan, and full connector harness Astec ATX145-3485 145W ATX power supply – rear view showing AC inlet, ventilation slots, and cable harness

    Astec ATX145-3485 145W 20-Pin ATX Desktop Computer Power Supply 100-240V

    Astec

    $50.00
    Was: $100.00
    Astec ATX145-3485 145W 20-Pin ATX Desktop Computer Power Supply 100-240V A 145W ATX form factor power supply for desktop computers. Supports dual input voltage (100-120V or 200-240V) with 20-pin ATX connector and peripheral connectors. Specifications...
    15159
    SKU:
    15159
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    Astec
    Model:
    ATX145-3485
    MPN:
    ATX145-3485
    Secondary Model:
    POW145004AAWW
    SKU:
    15159
    Condition:
    Used – Inspected
    Form Factor:
    ATX Desktop
    Power Rating:
    145W (146W Max Continuous Output)
    Power Requirements:
    100-120V 3.0A / 200-240V 1.5A, 50/60Hz
    Output Voltage:
    +12V, +5V, -5V, -12V, +5VSB
    Output Current +12V:
    4.2A
    Output Current +5V:
    18.0A
    Output Current -5V:
    0.5A
    Output Current -12V:
    0.5A
    Output Current +5VSB:
    0.2A
    Connector Type:
    20-Pin ATX Main + Molex / Berg peripheral
    Revision:
    Rev 00
    Date Code:
    9621
    A/C Code:
    1412
    Certifications:
    UL, CSA Level 3, VDE, N
    Country of Manufacture:
    China
    Seller Notes:
    Includes full harness with 20-pin ATX, Molex, and Berg connectors.
    Condition Notes:
    This Astec ATX145-3485 145W 20-Pin ATX Desktop Computer Power Supply has been inspected and is in good used condition. The chassis shows typical light wear consistent with prior use, and the unit is cosmetically clean overall.
    $50.00
    Was: $100.00
  • IBM DPS-200PB-70 E 100W AT Power Supply – front and left side view showing AC inlet, cooling fan, and label IBM DPS-200PB-70 E 100W AT Power Supply – right side and rear view showing ventilation grille and output connector bays

    IBM 75H9579 06H8825 DPS-200PB-70 E 100W AT Power Supply 100-127V 200-240V

    IBM

    $97.00
    Was: $150.00
    IBM 75H9579 06H8825 DPS-200PB-70 E 100W AT Power Supply 100-127V 200-240V This is a 100W AT form factor power supply manufactured by Delta Electronics for IBM desktop systems. It converts AC input to regulated DC outputs for legacy computer hardware...
    15146
    SKU:
    15146
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    IBM
    Manufacturer:
    Delta Electronics, Inc.
    Model:
    DPS-200PB-70 E
    Secondary Model:
    75H9579
    MPN:
    75H9579
    FRU Number:
    06H8825
    EC Number:
    D65249
    SKU:
    15146
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Unit only; no additional accessories included.
    Form Factor:
    AT
    Power Output:
    100W Max Total
    Power Requirements:
    100-127V~ 7A / 200-240V~ 4A, 47-63Hz
    Output Voltages:
    +3.3V/20A, +5V/20A, +5VS/0.32A, -5V/0.5A, +12V/8A, -12V/0.5A
    Voltage Rating:
    100-127V / 200-240V AC
    Frequency:
    47-63 Hz
    Date Code:
    9712
    Hardware Revision:
    REV 00
    Country of Manufacture:
    Mexico
    Certifications:
    UL, CSA, SP
    Compatible With 1:
    IBM Desktop PC Systems (AT form factor)
    Compatible With 2:
    IBM PS/2 and compatible AT desktop systems
    Condition Notes:
    This IBM 75H9579 (FRU 06H8825) DPS-200PB-70 E 100W AT Desktop Power Supply has been powered and tested at our facility and is in good working order. The unit shows typical wear consistent with prior use, including light surface scuffing on the metal
    $97.00
    Was: $150.00