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.

  • Hipro HP-P251GF3 250W Compaq desktop power supply – angled front-left view showing gray metal housing and DC output cable harness Compaq 263998-001 power supply label showing part number 263998-001 and barcode on top panel

    Compaq 263998-001 250W Desktop Power Supply Hipro HP-P251GF3 100-240V ATX

    Compaq

    $50.00
    Was: $135.00
    Compaq 263998-001 250W Desktop Power Supply Hipro HP-P251GF3 100-240V ATX250W ATX desktop power supply manufactured by Hipro for Compaq desktop systems. Converts AC input to regulated DC outputs for powering motherboards and peripherals.Specifications...
    29589
    SKU:
    29589
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Hipro
    Model:
    HP-P251GF3
    MPN:
    263998-001
    Secondary Model:
    263998-001
    Type:
    Desktop Computer Power Supply
    SKU:
    29589
    Maximum Output Power:
    250W
    AC Input Voltage:
    100-127V / 200-240V AC
    AC Input Frequency:
    50-60 Hz
    AC Input Current:
    6A (100-127V) / 3A (200-240V)
    DC Output +5V:
    25A
    DC Output +3.3V:
    20A
    DC Output +12V:
    13A
    DC Output -12V:
    0.8A
    DC Output -5V:
    0.3A
    DC Output +5V Aux:
    0.3A
    Hardware Revision:
    REV:01
    Country/Region of Manufacture:
    China
    Compatible With:
    Compaq Desktop Systems
    Seller Notes:
    Includes attached DC output harness with multiple Molex and power connectors
    Condition:
    Used – Inspected and Tested
    Form Factor:
    Desktop
    Condition Notes:
    Compaq 263998-001 Hipro HP-P251GF3 250W desktop power supply. Tested and in good working order. Good used condition with typical cosmetic wear. DC output harness intact.
    $50.00
    Was: $135.00
  • Molex 4-pin drive connectors – peripheral power connectors for legacy hard drives and peripherals Unbranded ATX 250W power supply – front panel view with power switch and cooling fan visible

    Unbranded 250W ATX Power Supply 386 486 Pentium 115/230V Molex

    Generic

    $40.00
    Was: $80.00
    Unbranded 250W ATX Power Supply 386 486 Pentium 115/230V Molex This is a generic 250-watt ATX-form-factor switching power supply designed for vintage IBM-compatible desktop computers including 386, 486, and early Pentium systems. The unit accepts...
    29413
    SKU:
    29413
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Unbranded
    Model:
    ATX
    MPN:
    LC-250ATX
    SKU:
    29413
    Condition:
    Used – Tested and Working
    Seller Notes:
    Photo is example only — you receive a similar unit. Includes 12-pin AT motherboard connector harness and Molex drive connectors.
    Form Factor:
    AT Desktop
    Power Output:
    250W Max
    AC Input Voltage:
    115V / 230V AC, 50/60Hz selectable
    Frequency:
    60/50 Hz
    Motherboard Connector:
    12-pin AT (dual 6-pin cables)
    Drive Connectors:
    Multiple Molex 4-pin connectors
    Output Voltages:
    +3.3V, +5V, +12V, -5V, -12V, +5VSB
    Max DC Output +3.3V:
    10A
    Max DC Output +5V:
    20A
    Max DC Output +12V:
    9A
    Peak Output Total:
    125W
    Compatible With:
    IBM-compatible 386, 486, early Pentium systems
    Power Supply Type:
    ATX Switching Power Supply
    Country of Manufacture:
    Unknown
    Condition Notes:
    Unbranded 250W ATX Power Supply tested and confirmed working. All voltage rails stable, complete connector harness included. Minor cosmetic wear, structurally sound. Example photo shown; you receive similar unit.
    Type:
    ATX Switching Power Supply
    Output Voltage +3.3V:
    +3.3V @ 10A
    Output Voltage +5V:
    +5V @ 20A
    Output Voltage +12V:
    +12V @ 9A
    Negative Voltages:
    -5V, -12V, +5VSB
    $40.00
    Was: $80.00
  • Gateway 2000 UA0400P01 internal power supply – three-quarter front view showing transparent housing, green PCB, twisted red-blue wiring harness, and IEC C8 inlet Gateway 2000 UA0400P01 power supply – side view showing full length of unit with label partially visible and output connector at right end

    Gateway 2000 UA0400P01 Internal Power Supply 250V Desktop PC PSU

    Gateway 2000

    $30.00
    Was: $60.00
    Gateway 2000 UA0400P01 Internal Power Supply 250V Desktop PC PSU Internal power supply unit designed for Gateway 2000 desktop computers. Provides 250V input with regulated DC output via 4-pin Molex connector to supply power to system components...
    29259
    SKU:
    29259
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    2.00 LBS
    Brand:
    Gateway 2000
    Model:
    UA0400P01
    MPN:
    UA0400P01
    SKU:
    29259
    Condition:
    Used – Inspected
    Form Factor:
    Internal / Inline
    Voltage Rating:
    250V
    Fuse Rating:
    T2.54H 250V
    AC Inlet Type:
    IEC C8 (Figure-8 / Shotgun)
    Output Connector:
    4-pin Molex-style connector
    Compatible With:
    Gateway 2000 desktop computers
    Seller Notes:
    Power supply only. No additional accessories included.
    Country of Manufacture:
    Japan
    Condition Notes:
    This Gateway 2000 UA0400P01 internal power supply has been inspected and is in good used condition. The unit shows normal cosmetic wear consistent with prior installation.
    $30.00
    Was: $60.00
  • Astec AA16320 85W desktop power supply – front and side view with integrated 12-pin cable and wire harness Astec AA16320 label closeup showing model number, input voltage 100-120V 3.0A / 220-240V 1.5A 50/60Hz, 85W max output, and CSA certification

    Astec AA16320 85W Desktop Power Supply 100-120V 220-240V 12-Pin HP Compatible

    Astec

    $50.00
    Was: $135.00
    Astec AA16320 85W Desktop Power Supply 100-120V 220-240V 12-Pin HP Compatible This is a used desktop power supply unit designed for HP computer systems. The unit converts AC input to regulated DC output for powering internal components. Specifications...
    28915
    SKU:
    28915
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Astec
    Model:
    AA16320
    MPN:
    AA16320
    SKU:
    28915
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Includes integrated 12-pin power cable
    Form Factor:
    Desktop
    Power Requirements:
    100-120V~ 3.0A / 220-240V~ 1.5A, 50/60Hz
    Output Power:
    85W Maximum
    Output Voltages:
    +12V, -12V, Power Good (PI-1 through PI-7)
    Connector Type:
    12-Pin Integrated Cable
    Compatible With:
    HP Desktop Computers
    Certifications:
    CSA (Component Type: Custom Rectifier)
    Component Classification:
    Custom Rectifier
    Country of Manufacture:
    Unknown
    Condition Notes:
    This Astec AA16320 85W Desktop Power Supply has been powered and tested at our facility and is in good working order. The unit shows typical cosmetic wear consistent with prior use, including light scuffing on the metal housing and some
    $50.00
    Was: $135.00
  • Power Man FSP235-60GT 235W ATX power supply – three-quarter front view showing unit body and multi-rail wiring harness Power Man FSP235-60GT label showing model number, dual voltage input 100-240V, output rails, certifications CB CE CSA UL VDE

    Power Man FSP235-60GT 235W ATX Desktop PC Power Supply Dual Voltage 100-240V

    Power Man

    $50.00
    Was: $125.00
    Power Man FSP235-60GT 235W ATX Desktop PC Power Supply Dual Voltage 100-240V Used ATX power supply unit rated for 235W output. Supports dual input voltage (100-120V / 200-240V AC) for flexible deployment across regions. Specifications & What's...
    28397
    SKU:
    28397
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    5.00 LBS
    Brand:
    Power Man
    Model:
    FSP235-60GT
    MPN:
    FSP235-60GT
    SKU:
    28397
    Condition:
    Used – Inspected and Tested
    Form Factor:
    ATX Desktop
    Power Output:
    235W
    Input Voltage:
    100-120V / 200-240V AC (Dual Voltage)
    Input Current:
    7A / 4A
    Input Frequency:
    60/50Hz
    Output +3.3V:
    14.0A
    Output +5V:
    22.0A
    Output +5Vsb:
    0.8A
    Output -5V:
    0.3A
    Output +12V:
    8.0A
    Output -12V:
    0.8A
    Fuse Rating:
    5A, 250V
    Certifications:
    CB, CE, CSA (LR103136 Level 3), UL (E161885), VDE (103314)
    Compatible With:
    ATX desktop computers and PC builds
    Connector Type:
    ATX 20-pin main, 4-pin Molex, floppy power
    Country of Manufacture:
    Taiwan
    Seller Notes:
    Unit only; no accessories included.
    Condition Notes:
    This Power Man FSP235-60GT 235W ATX Desktop Power Supply has been tested at our facility and confirmed to be in working order. The unit is in good used condition with normal cosmetic wear consistent with prior deployment.
    $50.00
    Was: $125.00
  • MAI Basic Four 4114 Power Supply 907897-001 – front/side view showing aluminum enclosure with ventilation fins and caution label MAI Basic Four 4114 Power Supply 907897-001 – top/rear view showing full enclosure length and slot connector end

    MAI Basic Four 4114 Power Supply 907897-001 100/120V 10A 50/60Hz Slot Connector

    MAI Basic Four

    $125.00
    Was: $225.00
    MAI Basic Four 4114 Power Supply 907897-001 100/120V 10A 50/60Hz Slot Connector Internal power supply unit designed for the MAI Basic Four 4114 tape drive tower. This slot connector module converts AC input to the regulated power required by the tape...
    28025
    SKU:
    28025
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    12.00 LBS
    Brand:
    MAI Basic Four
    Model:
    4114
    MPN:
    907897-001
    SKU:
    28025
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Pulled from a MAI Basic Four tape drive tower. Unit only.
    Form Factor:
    Internal / Slot Connector
    Power Requirements:
    100/120V AC, 50/60Hz, 10A
    Voltage Rating:
    100/120V AC
    Current Rating:
    10A
    Frequency:
    50/60Hz
    Compatible With:
    MAI Basic Four 4114 Tape Drive Tower
    Country of Manufacture:
    United States
    Type:
    Internal Power Supply
    Condition Notes:
    This MAI Basic Four 4114 Power Supply (part no. 907897-001) has been tested at our facility and is in good working order. The unit was pulled from a MAI Basic Four tape drive tower where it was previously in active use.
    $125.00
    Was: $225.00
  • Delta Electronics DPS-200EB AT power supply – rear panel view showing fan, power switch, AC inlet, and voltage label Delta Electronics DPS-200EB label showing model, Rev B7, input/output specs, 192W rating, and date code 8841

    Delta Electronics DPS-200EB 192W AT Power Supply 200-240V Rev B7 Vintage PC

    Delta Electronics

    $60.00
    Was: $125.00
    Delta Electronics DPS-200EB 192W AT Power Supply 200-240V Rev B7 Vintage PC AT form-factor power supply rated for 192W output. Provides regulated power to vintage desktop computers and industrial systems via standard AT motherboard connector and Molex...
    27292
    SKU:
    27292
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    7.00 LBS
    Brand:
    Delta Electronics
    Model:
    DPS-200EB
    MPN:
    DPS-200EB
    SKU:
    27292
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Unit only — no documentation included.
    Form Factor:
    AT
    Power Output:
    192W
    Input Voltage:
    100-120V / 200-240V AC (switchable)
    Input Frequency:
    47-63Hz
    Output Voltages:
    +5V, -5V, +12V, -12V
    Output Current +5V:
    19.8A
    Output Current +12V:
    7.3A
    Output Current -5V:
    0.3A
    Output Current -12V:
    0.3A
    Hardware Revision:
    Rev B7
    Date Code:
    8841
    Country of Manufacture:
    Taiwan
    Compatible With:
    AT-form-factor desktop PCs, vintage IBM-compatible systems
    Connector Type:
    AT motherboard connector, Molex peripheral connectors
    Power Switch:
    External rocker switch on rear panel
    Cooling:
    Internal 80mm fan (rear-exhaust)
    Condition Notes:
    This Delta Electronics DPS-200EB 192W AT Power Supply has been tested and is in good working order. The unit powers on and was confirmed functional at our facility.
    $60.00
    Was: $125.00
  • Bespro BSA-7021M Switching Power Supply – front and top view showing finned housing and attached DB9 output cable Bespro BSA-7021M Switching Power Supply – rear view showing IEC C14 AC inlet and DB9 connector detail

    Bespro BSA-7021M Switching Power Supply +12V 5.5A -12V 0.5A Medical Dental

    Bespro

    $30.00
    Was: $60.00
    Bespro BSA-7021M Switching Power Supply +12V 5.5A -12V 0.5A Medical Dental The Bespro BSA-7021M is an external switching power supply providing dual DC output rails: +12V at 5.5A and -12V at 0.5A. Per the label, it is rated for use with computer,...
    26910
    SKU:
    26910
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    2.00 LBS
    Brand:
    Bespro
    Model:
    BSA-7021M
    MPN:
    BSA-7021M
    SKU:
    26910
    Condition:
    Used – Inspected
    Seller Notes:
    Includes attached output cable with DB9 connector
    Form Factor:
    External / Desktop Brick
    Output Voltage 1:
    +12V
    Output Current 1:
    5.5A
    Output Voltage 2:
    -12V
    Output Current 2:
    0.5A
    Power Requirements:
    100-120V AC (per label), IEC C14 inlet
    Connector Type:
    IEC C14 AC inlet; DB9 output connector
    Compatible With:
    Computer, Medical, and Dental Equipment
    Type:
    Switching Power Supply
    Country of Manufacture:
    Unknown
    Condition Notes:
    This Bespro BSA-7021M Switching Power Supply has been inspected and is in good used condition. The housing is clean with only minor shelf wear typical of a previously deployed unit.
    $30.00
    Was: $60.00