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.

  • Power Gold ATX250-S305 250W ATX power supply — three-quarter view showing chassis, cooling fan, and attached power harness Power Gold ATX250-S305 specification label showing model, 250W max output, input/output ratings, date code 9801, Rev 05B, and P/N 8356234-002

    Power Gold ATX250-S305 250W ATX Desktop Power Supply 100-240V P/N 8356234-002

    Power Gold

    $50.00
    Was: $100.00
    Power Gold ATX250-S305 250W ATX Desktop Power Supply 100-240V P/N 8356234-002 ATX form factor desktop power supply rated at 250W maximum output. Converts 100-240V AC input to regulated DC outputs for desktop computer systems. Specifications & What's...
    23802
    SKU:
    23802
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Power Gold
    Model:
    ATX250-S305
    MPN:
    8356234-002
    SKU:
    23802
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Includes attached power harness with Molex and ATX connectors
    Form Factor:
    ATX
    Power Rating:
    250W Maximum Output; 195W Max on +3.3V & +5V Rails
    Input Voltage:
    100-120V AC 4A; 200-240V AC 2A
    Output Voltages:
    +12V 6A, +5V 22A, +3.3V 14A, -5V 0.5A, -12V 0.8A, +5VSB 0.1A
    Frequency:
    50/60Hz
    Power Requirements:
    100-240V AC, 50/60Hz
    Revision:
    Rev 05B
    A/C Code:
    229
    Date Code:
    9801
    Certifications:
    UL, CSA, CE
    Country of Manufacture:
    Malaysia
    Compatible With:
    ATX form factor desktop computers and compatible systems
    Condition Notes:
    This Power Gold ATX250-S305 250W ATX desktop power supply has been tested at our facility and confirmed to be in working order. The unit presents in typical used condition consistent with previous service in a desktop environment.
    $50.00
    Was: $100.00
  • IBM System/36 Model 5360 Power Filter Assembly ASM 2777304 – front-right three-quarter view showing blue capacitor, heatsink fins, and blue connector harness IBM System/36 5360 Power Filter Assembly – left-side view showing yellow resistors, blue capacitor cylinder, open metal frame chassis, and circuit board on top

    IBM System/36 Model 5360 Power Filter Assembly ASM 2777304 EC 840222

    IBM

    $100.00
    Was: $275.00
    IBM System/36 Model 5360 Power Filter Assembly ASM 2777304 EC 840222 Internal power filter assembly for the IBM System/36 Model 5360 computer. Filters electrical noise and stabilizes power distribution to system components. Specifications & What's...
    23760
    SKU:
    23760
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    18.00 LBS
    Brand:
    IBM
    Model:
    5360
    MPN:
    2777304
    Secondary Model:
    ASM 2777304
    EC Number:
    840222
    SKU:
    23760
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Power filter assembly only; no additional accessories included.
    Compatible With:
    IBM System/36 Model 5360
    Form Factor:
    Internal Assembly Module
    Country of Manufacture:
    United States
    Product Type:
    Power Filter Assembly
    Date of Assembly:
    7/699 (July 1999 per label)
    Connector Type:
    Blue multi-pin plug connectors
    Condition Notes:
    This IBM System/36 Model 5360 Power Filter Assembly (ASM 2777304) has been tested and confirmed to be in working order. The unit presents in good used condition consistent with its age as surplus IBM midrange equipment.
    $100.00
    Was: $275.00
  • Dell 1E115 HP-P2507F3P 250W ATX desktop power supply – three-quarter front view showing casing and output cable harness Dell HP-P2507F3P power supply specification label showing AC input, DC output ratings, 250W max power, REV H01, and Dell P/N 1E115

    Dell 1E115 HP-P2507F3P 250W ATX Desktop Power Supply 100-240V REV H01

    Dell

    $30.00
    Was: $60.00
    Dell 1E115 HP-P2507F3P 250W ATX Desktop Power Supply 100-240V REV H01 ATX form factor power supply rated for 250W maximum output. Provides stable DC voltage delivery to desktop computer components with universal input voltage support. Specifications...
    23425
    SKU:
    23425
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    5.00 LBS
    Brand:
    Dell
    Model:
    HP-P2507F3P
    Secondary Model:
    1E115
    MPN:
    1E115
    Dell Part Number:
    01E115
    SKU:
    23425
    Revision:
    REV H01
    Condition:
    Used – Inspected
    Seller Notes:
    Power supply only; no additional accessories included.
    Form Factor:
    ATX
    Power Output:
    250W Max
    Power Requirements:
    100-127V/6A or 200-240V/3A, 50-60Hz
    DC Output +5V:
    +5V @ 22A
    DC Output +12V:
    +12V @ 14A
    DC Output +3.3V:
    +3.3V @ 18A
    DC Output -12V:
    -12V @ 1A
    DC Output +5VSB:
    +5VFP @ 2A
    Combined +5V & +3.3V Max:
    150W
    Compatible With:
    Dell Optiplex, Dell Dimension desktop systems
    Country of Manufacture:
    Thailand
    Condition Notes:
    This Dell 1E115 HP-P2507F3P 250W ATX Desktop Power Supply has been inspected and is in good used condition. The unit shows normal cosmetic wear consistent with prior use, including light surface scuffing on the metal housing.
    $30.00
    Was: $60.00
  • Roal Electronics 8266398 industrial power supply – angled front/side view showing ventilated chassis and dual red multi-pin output connectors Roal Electronics 8266398 power supply – side profile view showing full length of vented aluminum chassis and output cable harness

    Roal Electronics 8266398 Industrial Power Supply 100V Input HP Compatible

    Roal Electronics

    $100.00
    Was: $300.00
    Roal Electronics 8266398 Industrial Power Supply 100V Input HP Compatible AC-powered industrial supply unit designed for rack or chassis mounting in HP-compatible systems. Delivers regulated power via multi-pin Molex-style harness with dual red...
    23262
    SKU:
    23262
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    11.00 LBS
    Brand:
    Roal Electronics
    Model:
    8266398
    MPN:
    8266398
    SKU:
    23262
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Includes attached multi-pin output harness with two red connectors
    Form Factor:
    Rack/Chassis Mount
    Power Requirements:
    100V Input (AC)
    Compatible With:
    HP Systems (see label: OK HP 12...)
    Output Connector Type:
    Multi-pin Molex-style harness, dual red connectors
    Cooling:
    Integrated fan cooling (ventilated chassis)
    Switch Type:
    Rocker On/Off power switch with indicator LED
    Condition Notes:
    This Roal Electronics 8266398 industrial power supply has been tested and is in working order. Shows light surface wear consistent with prior use. Output harness and connectors are intact. Please contact us with any questions.
    $100.00
    Was: $300.00
  • Solarmax KC-300 300W ATX power supply – right side view showing fan, output connectors, and label Solarmax KC-300 ATX power supply – left side view showing full wiring harness and Molex connectors

    Solarmax KC-300 300W ATX Desktop PC Power Supply 115V/230V 50/60Hz

    Solarmax

    $40.00
    Was: $135.00
    Solarmax KC-300 300W ATX Desktop PC Power Supply 115V/230V 50/60Hz The Solarmax KC-300 is a 300-watt ATX form factor power supply designed for standard desktop computers. It accepts dual voltage input (115V/60Hz or 230V/50Hz), making it suitable for use...
    23253
    SKU:
    23253
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    2.00 LBS
    Brand:
    Solarmax
    Model:
    KC-300
    MPN:
    KC-300
    SKU:
    23253
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Unit only; no additional accessories included.
    Form Factor:
    ATX
    Power Output:
    300W
    Input Voltage:
    115V/60Hz or 230V/50Hz (dual voltage)
    Input Current:
    6A at 115V / 3A at 230V
    Output Voltages:
    +12V, -12V, +3.3V, +5VSB
    Compatible With:
    ATX form factor desktop computers and PC cases
    Country of Manufacture:
    China
    Certifications:
    CE, FCC
    Condition Notes:
    This Solarmax KC-300 300W ATX Desktop Power Supply has been tested at our facility and is in good working order. The unit presents in typical used condition — the metal housing shows light surface wear consistent with prior installation, but there
    $40.00
    Was: $135.00
  • L&C LC-A400ATX ATX power supply front and side view showing AC inlet, power switch, fan, and output cable harness L&C LC-A400ATX power supply specification label showing model number, AC input 115/230V, DC output rails, and UL/CSA certifications

    L&C LC-A400ATX ATX Power Supply 400W 115/230V Dual Fan Desktop PC PSU

    L & C

    $90.00
    Was: $200.00
    L&C LC-A400ATX ATX Power Supply 400W 115/230V Dual Fan Desktop PC PSU This is a 400W ATX form factor power supply designed for standard desktop computers. It converts AC input power to regulated DC outputs across multiple voltage rails. Specifications...
    22994
    SKU:
    22994
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    8.00 LBS
    Brand:
    L&C Computer Co., Ltd.
    Model:
    LC-A400ATX
    MPN:
    LC-A400ATX
    SKU:
    22994
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Unit only, no additional accessories.
    Form Factor:
    ATX
    Power Output:
    400W Max Total Output
    AC Input Voltage:
    115/230V~
    AC Input Current:
    8A @ 115V / 4A @ 230V
    Input Frequency:
    60/50 Hz
    DC Output +3.3V:
    24A
    DC Output +5V:
    35A
    DC Output +12V:
    15A
    DC Output -12V:
    0.8A
    DC Output -5V:
    0.5A
    DC Output +5VSB:
    2A
    Combined +5V & +3.3V Load:
    200W Max
    Certifications:
    UL (E164554), CSA (188101 Level 3)
    Compatible With:
    ATX form factor desktop computers
    Country of Manufacture:
    Taiwan
    Condition Notes:
    This L&C LC-A400ATX 400W ATX Desktop Power Supply has been powered and tested at our facility and is in good working order. The unit is cosmetically typical of pulled surplus equipment — the housing shows minor surface scuffs and the cable
    $90.00
    Was: $200.00
  • Mitsubishi Electric PC12-UB power supply – rear panel showing IEC C14 AC inlet and NEMA pass-through outlet Mitsubishi Electric PC12-UB power supply – side view showing cooling fan and Molex output connectors with cable switch

    Mitsubishi Electric PC12-UB 6-Pin Desktop Power Supply XT AT Style w/ Cable

    Mitsubishi Electric

    $50.00
    Was: $100.00
    Mitsubishi Electric PC12-UB 6-Pin Desktop Power Supply XT AT Style w/ Cable Switch This is a used desktop computer power supply manufactured by Mitsubishi Electric. It supplies power to XT and AT style computer systems via Molex connectors and includes...
    22445
    SKU:
    22445
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    8.00 LBS
    Brand:
    Mitsubishi Electric
    Model:
    PC12-UB
    MPN:
    PC12-UB
    SKU:
    22445
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Includes cable switch; power supply only, no PC included.
    Form Factor:
    Desktop
    Connector Type:
    6-Pin, IEC AC Inlet, Molex Power Connectors
    Compatible With:
    XT and AT Style Desktop Computer Systems
    Country of Manufacture:
    Japan
    Dimensions:
    6.5 x 6.5 x 5 inches
    Type:
    Desktop Computer Power Supply
    Style:
    XT / AT
    Output Connectors:
    Molex 4-pin peripheral, 6-pin main
    AC Input Connector:
    IEC C14 inlet with pass-through NEMA 5-15R outlet
    Condition Notes:
    This Mitsubishi Electric PC12-UB 6-Pin Desktop Power Supply has been tested at our facility and is in good working order. The unit shows typical cosmetic wear consistent with age and prior use, including some discoloration on the metal housing
    $50.00
    Was: $100.00
  • Han One HN-2130 large form factor AT power supply – three-quarter front view showing fan grille, On/Off rocker switch, and red label Han One HN-2130 model label showing model number HN-2130, serial number, and Made in Korea marking

    Han One HN-2130 10-Pin AT Power Supply Large Form Factor Made in Korea

    Han One

    $60.00
    Was: $125.00
    Han One HN-2130 10-Pin AT Power Supply Large Form Factor Made in Korea AT form factor power supply with 10-pin main connector and multiple output harness. Pulled from working environment and remains functional. Specifications & What's...
    22432
    SKU:
    22432
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    8.00 LBS
    Brand:
    Han One
    Model:
    HN-2130
    MPN:
    HN-2130
    SKU:
    22432
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Power supply only; harness with multiple output connectors included
    Form Factor:
    Large Form Factor (AT)
    Connector Type:
    10-Pin AT Main Power Connector
    Country of Manufacture:
    South Korea
    Dimensions:
    10-1/4 x 5-1/4 x 3-1/2 inches
    Power Supply Type:
    AT
    Output Connectors:
    Multiple Molex 4-pin peripheral connectors
    Cooling:
    Internal fan with metal guard
    Compatible With:
    AT-standard desktop computers and legacy PC systems
    Condition Notes:
    This Han One HN-2130 10-Pin AT Power Supply has been inspected and is in good used condition. It was pulled from a working environment where it was in active use and functional.
    $60.00
    Was: $125.00