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 DPS-188AB 118W power supply – front and top view showing metal enclosure and output harness connectors Sun DPS-188AB power supply – rear-angled view showing large cooling fan and output wire harness

    Sun DPS-188AB 300-1031 118W Power Supply 100-240V Delta Electronic

    Sun

    $70.00
    Was: $175.00
    Sun DPS-188AB 300-1031 118W Power Supply 100-240V Delta Electronic PSU The Sun DPS-188AB is a 118-watt internal power supply manufactured by Delta Electronic Ind. Co., Ltd. for Sun Microsystems workstations. It accepts a wide-range AC input (100–120V or...
    18601
    SKU:
    18601
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    8.00 LBS
    Brand:
    Sun Microsystems
    Manufacturer:
    Delta Electronic Ind. Co., Ltd.
    Model:
    DPS-188AB
    MPN:
    300-1031-01
    Secondary Part Number:
    3001031
    SKU:
    18601
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Power supply only; output harness with connectors included as shown.
    Form Factor:
    Internal / Proprietary
    Power Output:
    118W
    Input Voltage:
    100-120V / 200-240V AC, 50-60 Hz
    Input Current:
    3.0A (100-120V) / 1.5A (200-240V)
    Output Voltages:
    +5V @ 8A, +12V @ 6.5A
    Compatible With:
    Sun Microsystems workstations (see P/N 300-1031)
    Country of Manufacture:
    Taiwan, R.O.C.
    Revision:
    Rev: 1BI
    Date Code:
    9048
    Condition Notes:
    This Sun Microsystems DPS-188AB 118W power supply has been tested at our facility and is in good working order. The unit is clean overall with light surface scuffing typical of a previously installed component.
    $70.00
    Was: $175.00
  • PC Power & Cooling ST 450 LanSpeed server power supply – angled left side view showing dual top fans and multi-wire harness PC Power & Cooling ST 450 LanSpeed server power supply – right side view with LanSpeed Systems label and output wiring harness

    PC Power & Cooling ST 450 LanSpeed Server Power Supply 115V 230V 450W

    PC Power & Cooling

    $100.00
    Was: $250.00
    PC Power & Cooling ST 450 LanSpeed Server Power Supply 115V 230V 450W The PC Power & Cooling ST 450 is a high-output ATX-style server power supply manufactured for LanSpeed Systems servers. It features a dual-fan cooling configuration, a multi-connector...
    18449
    SKU:
    18449
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    14.00 LBS
    Brand:
    PC Power & Cooling
    Model:
    ST 450
    MPN:
    ST 450
    SKU:
    18449
    Condition:
    Used – Inspected
    Seller Notes:
    Power supply only; no additional accessories included.
    Form Factor:
    Desktop / Tower
    Compatible With:
    LanSpeed Systems servers
    Country of Manufacture:
    United States
    Input Voltage:
    115VAC @ 9A or 230VAC @ 5A, 50/60 Hz
    Output Voltage:
    +5V @ 45A, -5V @ 0.5A, +12V @ 15A, -12V @ 1A
    Peak Output:
    20A Peak
    Power Rating:
    450W
    Frequency:
    50/60 Hz
    Efficiency Level:
    Level 6
    Connector Type:
    Molex 4-pin, Berg mini connectors, multi-wire harness
    Certifications:
    UL, CSA
    Condition Notes:
    This PC Power & Cooling ST 450 LanSpeed server power supply has been inspected and appears to be in good used condition. The chassis is intact with no significant dents or deformation.
    $100.00
    Was: $250.00
  • Delta Electronics DPS-350EB 352W AT power supply – right-side view showing fan grille, IEC inlet, and attached wire harness Delta Electronics DPS-350EB power supply – full wire harness laid out showing Molex, Berg, and proprietary connector assortment

    Delta Electronics DPS-350EB 352W AT Power Supply NCR 3412 Server Desktop PSU

    Delta Electronics

    $100.00
    Was: $225.00
    Delta Electronics DPS-350EB 352W AT Power Supply NCR 3412 Server Desktop PSU A 352-watt AT form factor power supply manufactured by Delta Electronics. Designed for use in NCR 3412 servers and compatible AT-based systems requiring legacy connectors...
    18324
    SKU:
    18324
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    9.00 LBS
    Brand:
    Delta Electronics
    Model:
    DPS-350EB
    MPN:
    DPS-350EB
    SKU:
    18324
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Includes attached power harness with Molex, Berg, and proprietary connectors
    Form Factor:
    AT
    Power Output:
    352 Watts
    Compatible With:
    NCR 3412 Server
    Country of Manufacture:
    Taiwan
    Power Requirements:
    100-240V AC, 50/60Hz
    Cooling:
    Internal 80mm cooling fan
    Connector Types:
    AT main connector, Molex 4-pin, Berg mini, proprietary
    Power Supply Type:
    AT (not ATX)
    Condition Notes:
    This Delta Electronics DPS-350EB 352W AT Power Supply has been powered and tested at our facility and is in good working order. The unit is in good used cosmetic condition with the expected light wear from prior service use.
    $100.00
    Was: $225.00
  • Magnetic Peripherals Control Data 81542301 300W Power Supply – front and right-side view showing power switch, fuse block, and ventilation louvers Magnetic Peripherals 81542301 300W Power Supply – rear view showing ribbon cable harness, output terminals, and heat sink

    Magnetic Peripherals Control Data 81542301 300W Power Supply 100-240V

    Control Data

    $200.00
    Was: $400.00
    Magnetic Peripherals Control Data 81542301 300W Power Supply 100-240V External standalone power supply manufactured by Magnetic Peripherals Inc. (Control Data Corp). Supplies regulated DC power to Control Data magnetic storage peripherals and related...
    18200
    SKU:
    18200
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    14.00 LBS
    Brand:
    Magnetic Peripherals Inc. (Control Data Corp)
    Model:
    81542301
    MPN:
    81542301
    SKU:
    18200
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Unit only; no additional accessories included.
    Also Sold As:
    Zytec; Control Data Corp (CDC)
    Form Factor:
    Standalone / External Chassis
    Power Rating:
    300 Watts
    Input Voltage:
    100-120V AC / 208-240V AC
    Input Current:
    7.5A @ 100-120V; 5.0A @ 208-240V
    Input Frequency:
    50/60 Hz
    Phase:
    Single Phase
    Output Voltages:
    +5.1V, -5.1V, +24V, -24V, +40V
    Output Current +5.1V:
    5A
    Output Current -5.1V:
    5A
    Output Current +24V:
    1.75A / 5A PK
    Output Current -24V:
    1.75A / 5A PK
    Output Current +40V:
    5A/8A Start; 1.7A Run
    Cooling:
    48 CFM Forced Air
    Compatible With:
    Control Data magnetic peripheral storage devices
    Country of Manufacture:
    United States
    Certifications:
    UL Listed (E62016); SR Component Type Custom Rectifier
    Date Code:
    ZRHRT32
    Condition Notes:
    This Magnetic Peripherals Control Data 81542301 300W Power Supply has been tested at our facility and is in good working order. The unit is in typical used condition consistent with its age and service history.
    $200.00
    Was: $400.00
  • Microcomputer Power CP129 power supply – rear panel view showing IEC power inlet, rocker switch, output connector J1, and indicator lights Microcomputer Power CP129 power supply – side view showing output transistors, transformer, and attached cooling fan with cracked housing

    Microcomputer Power CP129 Vintage Power Supply 115/230V 5V 12V 24V DC Multi-Rail

    Microcomputer Power

    $100.00
    Was: $225.00
    Microcomputer Power CP129 Vintage Power Supply 115/230V 5V 12V 24V DC Multi-Rail This is a standalone multi-rail DC power supply from Microcomputer Power, model CP129. It converts 115/230 VAC input to five regulated DC output rails, commonly used in...
    18199
    SKU:
    18199
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    16.00 LBS
    Brand:
    Microcomputer Power
    Model:
    CP129
    MPN:
    CP129
    SKU:
    18199
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Fan housing is cracked; fan is functional. Unit tested working.
    Country of Manufacture:
    USA
    Form Factor:
    Standalone / External Box
    AC Input Voltage:
    115/230 VAC ±10%, 47–63Hz
    Power Rating:
    460 VA
    DC Output 1:
    5VDC at 9A (OVP at 6.2 ±0.4VDC)
    DC Output 2:
    24VDC at 2A avg, 4A peak
    DC Output 3:
    12VDC at 0.5A
    DC Output 4:
    -12VDC at 0.5A
    DC Output 5:
    -5VDC at 3A (OVP at -6.2 ±0.4VDC)
    Output Configuration:
    Multi-rail: +5V, +24V, +12V, -12V, -5V DC
    Fuse Rating:
    4A/250V at 115VAC; 2A/250V at 230VAC
    Output Connector:
    Multi-pin edge/header connector (J1)
    Power Switch:
    Rocker on/off with indicator light
    Compatible With:
    Vintage microcomputer systems, legacy industrial equipment
    Power Requirements:
    115/230 VAC ±10%, 47–63Hz, 460VA
    Condition Notes:
    This Microcomputer Power CP129 multi-rail DC power supply has been tested at our facility and is in good working order. The cooling fan operates normally; however, the plastic fan housing has a visible crack, as shown in the photos.
    $100.00
    Was: $225.00
  • KPI KP-ATX250 250W ATX power supply – three-quarter front view showing 20-pin and peripheral power connectors KPI KP-ATX250 ATX power supply – rear panel view showing IEC AC inlet, power switch, and ball bearing cooling fan

    KPI KP-ATX250 250W ATX Power Supply 20-Pin Desktop PC 115V/230V Switching PSU

    KPI

    Was: $70.00
    $60.00
    Was: $125.00
    KPI KP-ATX250 250W ATX Power Supply 20-Pin Desktop PC 115V/230V Switching PSU A 250W switching power supply designed for ATX desktop computers. Operates on either 115V or 230V AC input and delivers regulated DC power through a standard 20-pin motherboard...
    17923
    SKU:
    17923
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    KPI
    Model:
    KP-ATX250
    MPN:
    KP-ATX250
    SKU:
    17923
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Power supply only; no additional accessories included.
    Form Factor:
    ATX
    Power Output:
    250W
    AC Input Voltage:
    115V / 230V
    AC Input Current:
    5A @ 115V / 2.5A @ 230V
    Input Frequency:
    47-63 Hz
    Output +5V:
    23A
    Output +3.3V:
    14A
    Output +12V:
    10A
    Output -5V:
    0.5A
    Output -12V:
    0.5A
    Output +5VSB:
    0.72A
    Main Connector:
    20-Pin ATX
    Cooling:
    Ball Bearing Fan
    Power Supply Type:
    Switching Power Supply
    Compatible With:
    ATX desktop computers with 20-pin motherboard connector
    Country of Manufacture:
    Taiwan
    Condition Notes:
    This KPI KP-ATX250 250W ATX Switching Power Supply has been tested at our facility and is in good working order. The unit presents in typical used condition with light surface wear on the metal housing consistent with normal prior use.
    Was: $70.00
    $60.00
    Was: $125.00
  • Enlight Corporation HPC-250-101 250W ATX power supply front and side view with attached power harness and Molex connectors spread out Enlight Corporation EN-8254942 HPC-250-101 Rev C label showing AC input 115V/230V, DC output ratings, and serial number

    Enlight Corporation HPC-250-101 EN-8254942 250W ATX Desktop Power Supply Rev C

    Enlight Corporation

    $50.00
    Was: $125.00
    Enlight Corporation HPC-250-101 EN-8254942 250W ATX Desktop Power Supply Rev C A 250W ATX form factor power supply designed for desktop computers and tower cases. Delivers regulated DC power across multiple voltage rails with standard ATX 20-pin...
    17913
    SKU:
    17913
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    Enlight Corporation
    Model:
    HPC-250-101
    Secondary Model:
    EN-8254942
    MPN:
    EN-8254942
    SKU:
    17913
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Includes attached power harness with Molex and auxiliary connectors
    Form Factor:
    ATX Desktop
    Power Output:
    250W Max
    AC Input Voltage:
    115V / 230V AC
    Input Frequency:
    60 / 50 Hz
    AC Input Current:
    6/3A
    DC Output +5V:
    25A
    DC Output +12V:
    10A
    DC Output -5V:
    0.5A
    DC Output -12V:
    0.5A
    DC Output +3.3V:
    14A
    DC Output +5VSB:
    1A
    Hardware Revision:
    Rev C
    Connector Types:
    ATX 20-pin, Molex 4-pin, Floppy 4-pin
    Compatible With:
    ATX desktop computers and tower cases
    Certifications:
    UL, CSA, CE, FCC
    Country of Manufacture:
    Taiwan
    Condition Notes:
    This Enlight Corporation HPC-250-101 250W ATX desktop power supply has been tested at our facility and is in good working order. The unit powers on and functions as expected.
    $50.00
    Was: $125.00
  • Hipro HP-200NLXAK 200W ATX desktop power supply – three-quarter front view showing chassis, fan grille, and wire harness Hipro HP-200NLXAK label close-up showing model number, REV 01, AC input, DC output specs, and UL/TÜV certifications

    Hipro HP-200NLXAK 200W ATX Desktop Power Supply 115V 230V 50/60Hz REV 01

    Hipro

    $50.00
    Was: $150.00
    Hipro HP-200NLXAK 200W ATX Desktop Power Supply 115V 230V 50/60Hz REV 01 200W ATX form factor power supply for desktop computers. Supports dual voltage input (115V or 230V) and 50/60Hz operation. Unit only; harness and Molex connectors attached as shown...
    17899
    SKU:
    17899
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Hipro
    Model:
    HP-200NLXAK
    MPN:
    HP-200NLXAK
    SKU:
    17899
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Unit only; harness and Molex connectors attached as shown.
    Form Factor:
    ATX
    Power Output:
    200W
    AC Input Voltage:
    115V~/6A or 230V~/3.5A
    Input Frequency:
    50/60Hz
    DC Output +5V:
    +5V = 22A
    DC Output +12V:
    +12V = 7A
    DC Output -5V:
    -5V = 0.5A
    DC Output -12V:
    -12V = 0.5A
    DC Output +3.3V:
    +3.3V = 14A
    Max Output Power:
    200W
    Fuse Rating:
    T6.3AH/250VAC; +5VSB = 1A
    Hardware Revision:
    REV 01
    Certifications:
    UL, cUL, TÜV Rheinland, Level 3
    Compatible With:
    ATX desktop computers, vintage and legacy PC builds
    Connector Type:
    Molex 4-pin peripheral, floppy, ATX 20-pin
    Country of Manufacture:
    Taiwan
    Condition Notes:
    This Hipro HP-200NLXAK 200W ATX desktop power supply has been tested at our facility and is in good working order. The unit powers on and output voltages are confirmed functional.
    $50.00
    Was: $150.00