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.

  • SynOptics LattisNet Model 3002 460W Power Supply front panel view showing orange power switch, IEC AC inlet, status indicator, and large finned heatsink SynOptics LattisNet 3002 Power Supply rear view showing large black aluminum fin heatsink array and multi-pin edge connector for chassis installation

    SynOptics LattisNet 3002 460W Power Supply 721-002C for LattisNet 3000 Chassis

    SynOptics

    $90.00
    Was: $175.00
    SynOptics LattisNet 3002 460W Power Supply 721-002C for LattisNet 3000 Chassis AC to DC power supply module designed for the SynOptics LattisNet 3000 chassis. Converts 110V or 220V AC input to multiple regulated DC outputs for network switching and...
    14823
    SKU:
    14823
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    13.00 LBS
    Brand:
    SynOptics
    Model:
    3002
    MPN:
    721-002C
    Secondary Model:
    721-002C
    PCB Part Number 1:
    4868-899
    PCB Part Number 2:
    4868-902
    SKU:
    14823
    Condition:
    Used – Inspected
    Seller Notes:
    Power supply module only; no chassis or accessories included.
    Form Factor:
    Rack Mount Module / Chassis Slot
    Compatible With:
    SynOptics LattisNet 3000 Chassis
    Power Rating:
    460W
    Input Voltage:
    110V AC / 220V AC, 50/60Hz
    Input Current:
    7.8A @ 110V AC; 4.7A @ 220V AC
    Output:
    Multiple DC outputs (see label); -12V DC, 2.75A noted
    Manufacturer (OEM):
    Lorain Megahertz Power / Reliance Comm/Tec
    Country of Manufacture:
    United States
    Type:
    AC to DC Converter / Chassis Power Supply
    Certifications:
    UL Listed, CSA
    Interface / Connector:
    Edge connector (rear), IEC AC input (front)
    Condition Notes:
    This SynOptics LattisNet Model 3002 460W Power Supply (721-002C) has been visually inspected and shows typical wear consistent with previous use in a networking environment.
    $90.00
    Was: $175.00
  • Lorain DB4S371 DC-DC Converter front panel with power switch, key input port, and Aspect branding — three-quarter left view Lorain DB4S371 DC-DC Converter rear view showing ventilation louvers and output connector block

    Lorain DB4S371 DC-DC Converter 48VDC In 5/15/24VDC Out Aspect 2400-0037 Reltec

    Lorain

    $389.00
    Was: $1,200.00
    Lorain DB4S371 DC-DC Converter 48VDC In 5/15/24VDC Out Aspect 2400-0037 Reltec DC-DC converter module designed for telecom and industrial power distribution systems. Accepts -48 VDC input and generates four regulated output voltages simultaneously for...
    14723
    SKU:
    14723
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    18.00 LBS
    Brand:
    Lorain
    Model:
    DB4S371
    MPN:
    DB4S371
    Secondary Model:
    2400-0037
    Part Number:
    Aspect P/N 2400-0037 Rev A
    Spec Number:
    567359500
    SKU:
    14723
    Condition:
    Used – Inspected
    Seller Notes:
    Unit only — no cables or accessories observed
    Country of Manufacture:
    USA
    Manufacturer:
    Reltec / Lorain (Lorain, Ohio)
    Form Factor:
    Rackmount Module
    Converter Type:
    DC-DC Converter
    Input Voltage:
    -48 VDC
    Input Current:
    10.9 A
    Output 1:
    +5 VDC at 37 A
    Output 2:
    -15 VDC at 3.5 A
    Output 3:
    +15 VDC at 3.5 A
    Output 4:
    +24 VDC at 3.5 A
    Number of Outputs:
    4
    Hardware Revision:
    Rev A
    Compatible With:
    Reltec / Lorain telecom power systems
    Condition Notes:
    This Lorain DB4S371 DC-DC Converter (Aspect P/N 2400-0037) has been inspected and appears to be in good used condition. The chassis and panels show normal wear consistent with prior rack deployment, including light surface scuffs on the top and
    $389.00
    Was: $1,200.00
  • Delta DPS-145PB-82 A 145W ATX power supply – front and top view showing fan and cable harness Delta DPS-145PB-82 A ATX power supply – side and rear view showing ventilation grille and connectors

    Delta DPS-145PB-82 A 145W ATX Power Supply Acer AP4300 56.04145.1Q2 20-Pin

    Delta

    $60.00
    Was: $125.00
    Delta DPS-145PB-82 A 145W ATX Power Supply Acer AP4300 56.04145.1Q2 20-Pin Desktop ATX power supply rated at 145W maximum output. Designed for Acer AP4300 systems and compatible with standard 20-pin ATX motherboards. Specifications & What's...
    14558
    SKU:
    14558
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Delta Electronics
    Model:
    DPS-145PB-82 A
    MPN:
    DPS-145PB-82 A
    Secondary Model:
    56.04145.1Q2
    SKU:
    14558
    Condition:
    Used – Inspected
    Seller Notes:
    Power supply only; no additional accessories included.
    Form Factor:
    ATX Desktop
    Compatible With:
    Acer AP4300 Desktop
    Country of Manufacture:
    China
    Power Output:
    145W (Max 144.6W)
    Input Voltage:
    100-127V / 4.0A; 200-240V / 2.0A
    Input Frequency:
    47Hz - 63Hz
    Output +5V:
    15A
    Output +3.3V:
    12A
    Output +12V:
    3A
    Output -12V:
    0.3A
    Output +5VSB:
    3A
    Max Combined +3.3V & +5V:
    100W
    Connector Type:
    20-Pin ATX
    Revision:
    Rev 01
    Certifications:
    UL, CE, CIB, N
    Power Requirements:
    100-240V AC, 47-63Hz
    Condition Notes:
    This Delta DPS-145PB-82 A 145W ATX Power Supply is a used unit pulled from surplus inventory and has been visually inspected. The chassis shows light surface scuffing consistent with prior installation and handling, and the cable harness and
    $60.00
    Was: $125.00
  • Packard Bell 190083 Lite-On PA-4151-9B1 150W AT power supply — front/right three-quarter view showing AC inlet and cooling fan Packard Bell 190083 Lite-On PA-4151-9B1 150W AT power supply — rear/left view showing ventilation slots and power output harness with Molex connectors

    Packard Bell 190083 Lite-On PA-4151-9B1 150W AT Desktop Power Supply

    Packard Bell

    $59.00
    Was: $135.00
    Packard Bell 190083 Lite-On PA-4151-9B1 150W AT Desktop Power Supply This is a used 150W AT form-factor power supply manufactured by Lite-On for Packard Bell desktop computers. It converts AC input to regulated DC outputs for motherboard and peripheral...
    14092
    SKU:
    14092
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Packard Bell
    Manufacturer:
    Lite-On (Taiwan Liton Electronic Co., Ltd.)
    Model:
    190083
    Secondary Model:
    PA-4151-9B1
    MPN:
    PA-4151-9B1
    SKU:
    14092
    Condition:
    Used – Inspected
    Form Factor:
    AT
    Power Output:
    150W
    Input Voltage:
    100-127V / 200-240V AC, 50-60Hz
    Input Current:
    5A (100-127V) / 2.5A (200-240V)
    Output +5V:
    18A
    Output +12V:
    4.6A
    Output -5V:
    0.3A
    Output -12V:
    0.3A
    Ambient Temperature Max:
    50°C
    Connector Type:
    AT Molex (4-pin peripheral), AT main power connector
    Country of Manufacture:
    Taiwan / China (per label)
    Compatible With:
    Packard Bell AT-form-factor desktop computers
    Seller Notes:
    Includes attached AT power harness with Molex connectors. No additional accessories.
    Condition Notes:
    This Packard Bell 190083 / Lite-On PA-4151-9B1 150W AT desktop power supply has been inspected and is in used condition. The unit shows typical surface wear consistent with prior use — light scuffing and minor soiling on the metal housing are
    $59.00
    Was: $135.00
  • Power Tronic WK-6200DL3 200W ATX power supply – front-left angle showing fan, wiring harness, and P1 20-pin motherboard connector Power Tronic WK-6200DL3 ATX power supply – rear view showing AC input IEC socket, power switch, and ventilation grille

    Gateway 6500113 Power Tronic WK-6200DL3 200W ATX Desktop Power Supply

    Gateway

    $58.00
    Was: $125.00
    Gateway 6500113 Power Tronic WK-6200DL3 200W ATX Desktop Power Supply ATX form factor power supply unit rated for 200W maximum output. Supplies regulated DC voltages to motherboard and peripherals in desktop computer systems. Specifications &...
    14082
    SKU:
    14082
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    Power Tronic (Powertech Systems Co., Ltd.)
    Model:
    WK-6200DL3
    Secondary Model:
    Gateway 6500113
    MPN:
    WK-6200DL3
    SKU:
    14082
    Condition:
    Used – Inspected
    Seller Notes:
    Power supply only; no mounting screws or documentation included.
    Form Factor:
    ATX Desktop
    Power Output:
    200W Max
    AC Input Voltage:
    100-127V / 200-240V (wide range, switch-selectable)
    AC Input Current:
    6A (100-127V) / 4A (200-240V)
    Input Frequency:
    47-63Hz
    DC Output +3.3V:
    +3.3V
    DC Output +5V:
    +5V
    DC Output +12V:
    +12V
    DC Output -12V:
    -12V
    DC Output -5V:
    -5V
    DC Output +5VSB:
    +5VSB
    Connectors:
    20-pin ATX (P1), Molex 4-pin, floppy power
    Certifications:
    UL, CB, CE, CSA
    Compatible With:
    Gateway desktop PCs; standard ATX form factor systems
    Country of Manufacture:
    Taiwan
    Voltage Selection:
    Manual switch on metal case (115V / 230V)
    Condition Notes:
    This Gateway 6500113 / Power Tronic WK-6200DL3 200W ATX Desktop Power Supply has been inspected and is in good used condition. The unit shows light overall wear consistent with prior use; the chassis is intact with no significant damage observed.
    $58.00
    Was: $125.00
  • Compaq 270657-001 260W ATX Power Supply front and side view showing IEC inlet, power switch, and 80mm cooling fan Compaq 270657-001 PS2016 ATX Power Supply rear and side view showing Molex peripheral and floppy drive power connectors

    Compaq 270657-001 260W ATX Power Supply Deskpro 4000 PS2016 100-240V 32A

    Compaq

    $59.00
    Was: $125.00
    Compaq 270657-001 260W ATX Power Supply Deskpro 4000 PS2016 100-240V 32A The Compaq 270657-001 is a 260-watt ATX form-factor power supply manufactured under the PS2016 series designation. It provides the multiple DC output rails required to power the...
    14064
    SKU:
    14064
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Compaq
    Model:
    270657-001
    Secondary Model:
    PS2016
    MPN:
    270657-001
    Spare Part Number:
    270657-001
    Part Number:
    270647-001
    SKU:
    14064
    Condition:
    Used – Inspected
    Seller Notes:
    Power supply only — no additional accessories included.
    Form Factor:
    ATX
    Power Output:
    260W Max (Combined Max 170W)
    Input Voltage:
    100-120V / 200-240V AC
    Input Current:
    7A / 3.5A
    Input Frequency:
    50-60 Hz
    Output +5V:
    32A MAX
    Output +3.5V:
    10A MAX
    Output +12V:
    7A
    Output -12V:
    0.15A
    Output -5V:
    0.15A
    Output +5V AUX:
    1.2A
    Compatible With:
    Compaq Deskpro 4000
    Country of Manufacture:
    China
    Certifications:
    UL (E141190 S2), cUL, TÜV Rheinland, Level 3
    Connector Type:
    IEC C14 inlet; Molex 4-pin peripheral; Berg floppy
    Cooling:
    80mm internal fan
    Condition Notes:
    This Compaq 270657-001 260W ATX Power Supply (Series PS2016) has been inspected and is in good used condition. The unit shows normal cosmetic wear consistent with prior service use — light scuffing on the sheet metal housing and minor marks on the
    $59.00
    Was: $125.00
  • Enhance Electronics ATX-1123B 230W ATX power supply – top and side view showing ventilation grille and output wiring harness Enhance Electronics ATX-1123B – rear panel view showing 80mm cooling fan, IEC C14 AC inlet, voltage selector switch, and power switch

    Enhance Electronics ATX-1123B 230W ATX Desktop PC Power Supply 100-240V

    Enhance Electronics

    $50.00
    Was: $125.00
    Enhance Electronics ATX-1123B 230W ATX Desktop PC Power Supply 100-240V ATX form factor power supply for desktop computers. Supplies regulated DC power to motherboards and peripherals via multiple voltage rails and connector types. Specifications &...
    13606
    SKU:
    13606
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Enhance Electronics
    Model:
    ATX-1123B
    MPN:
    ATX-1123B
    SKU:
    13606
    Condition:
    Used – Inspected
    Seller Notes:
    Includes attached output harness with 20-pin ATX, Molex, and floppy connectors
    Form Factor:
    ATX
    Power Output:
    230W (120W total combined output)
    Input Voltage:
    100-127V / 6A 60Hz or 200-240V / 3.5A 50Hz
    Output Voltages:
    +3.3V, +5V, +12V, -12V, -5V, +5VSb
    Output Currents:
    +3.3V/14A, +5V/22A, +12V/8A, -12V/0.8A, -5V/0.5A, +5Vsb/1A
    Connector Type:
    IEC C14 AC inlet; 20-pin ATX motherboard connector
    Compatible With:
    ATX form factor desktop PC cases and motherboards
    Certifications:
    UL E166947, CE, FCC
    Country of Manufacture:
    Taiwan
    Manufacture Date:
    December 1999 (label date code 99.12)
    Condition Notes:
    This Enhance Electronics ATX-1123B 230W ATX Power Supply for Desktop PC has been inspected and is in good used condition. The unit displays normal cosmetic wear from prior use, including minor surface marks on the metal housing.
    $50.00
    Was: $125.00
  • Tectrol TC53S-1195 282W SPARCstorage power supply — angled front/top view showing aluminum chassis, hexagonal vent grille, and handle Tectrol TC53S-1195 power supply — rear edge connector and hexagonal vent grille detail view

    Tectrol TC53S-1195 282W Sun SPARCstorage Power Supply 100-240V 300-1328

    Tectrol

    $60.00
    Was: $125.00
    Tectrol TC53S-1195 282W Sun SPARCstorage Power Supply 100-240V 300-1328 Hot-swap power supply module designed for Sun SPARCstorage Arrays. Delivers 282W maximum output with dual voltage input support for global deployment. Specifications & What's...
    13288
    SKU:
    13288
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Tectrol
    Model:
    TC53S-1195
    MPN:
    TC53S-1195
    SKU:
    13288
    Condition:
    Used – Inspected
    Seller Notes:
    Power supply only; no additional accessories included.
    Compatible With:
    Sun SPARCstorage Arrays
    Compatible With 2:
    Sun P/N 300-1328
    Form Factor:
    Hot-Swap Module
    Power Output:
    282W Maximum
    Power Requirements:
    100-127V~ / 200-240V~, 60/50Hz, 6A/4A
    Voltage Rating:
    100-127V AC / 200-240V AC
    Current Rating:
    6A (100-127V) / 4A (200-240V)
    Power Rating:
    282W
    Connector Type:
    IEC C14 Input; Edge Connector Output
    Country of Manufacture:
    Canada
    Condition Notes:
    This Tectrol TC53S-1195 282W SPARCstorage Power Supply is being offered in used condition. The unit is cosmetically intact with the aluminum chassis showing light surface wear consistent with prior data-center or storage-array deployment.
    $60.00
    Was: $125.00