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.

  • Gateway Astec ATX202-3515 200W ATX power supply – angled front-left view showing cooling fan and output wiring harness with Molex and Berg connectors Gateway Astec ATX202-3515 power supply label – showing model number, input/output specs, date code 9835, Rev 06, certifications, and part number 6500184

    Gateway Astec ATX202-3515 200W ATX Power Supply 6500184 100-240V 50/60Hz

    Gateway

    $40.00
    Was: $80.00
    Gateway Astec ATX202-3515 200W ATX Power Supply 6500184 100-240V 50/60Hz ATX desktop power supply unit rated for 200W continuous output. Accepts 100-240V input at 50/60Hz and distributes power across multiple voltage rails to system components...
    19531
    SKU:
    19531
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    Gateway / Astec
    Model:
    ATX202-3515
    MPN:
    ATX202-3515
    Secondary Model:
    6500184
    SKU:
    19531
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Power supply only; no additional accessories included.
    Form Factor:
    ATX Desktop
    Power Output:
    200W Max Continuous
    Power Requirements:
    100-120V ~ 5A / 200-240V ~ 3A, 50/60Hz
    Output Voltages:
    +12V 6.0A, +5V 18A, +3.3V 10A, -5V 0.3A, -12V 0.3A, +5VSB 0.72A
    Revision:
    Rev 06
    Date Code:
    9835
    A/C Code:
    1412B
    Certifications:
    UL, CE, TUV Rheinland, CSA Level 3
    Country of Manufacture:
    China
    Compatible With:
    Gateway ATX desktop computers (late 1990s era)
    Condition Notes:
    This Gateway Astec ATX202-3515 200W ATX desktop power supply has been powered and tested at our facility and is in good working order. The unit is cosmetically consistent with normal used surplus equipment — the housing shows light surface wear and
    $40.00
    Was: $80.00
  • Delta Electronics DPS-420GB hot-plug autoranging power supply – three-quarter front view showing dual cooling fans and chassis Delta Electronics DPS-420GB label showing model number, Rev 00, input/output specs, and part number 681374-006

    Delta Electronics DPS-420GB 195W Hot-Plug Autoranging Power Supply 681374-006

    Delta Electronics

    $80.00
    Was: $150.00
    Delta Electronics DPS-420GB 195W Hot-Plug Autoranging Power Supply 681374-006 Hot-plug redundant power supply unit for industrial and telecom server equipment. Supports automatic input voltage ranging and provides multiple output rails for compatibility...
    19420
    SKU:
    19420
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    9.00 LBS
    Brand:
    Delta Electronics
    Model:
    DPS-420GB
    MPN:
    681374-006
    SKU:
    19420
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Unit only; no additional accessories included.
    Form Factor:
    Hot-Plug / Redundant
    Power Rating:
    195W (+3.3V & +5V combined); 400W max total output
    Input Voltage:
    100-120V ~ 7.6A; 200-240V ~ 3.8A
    Frequency:
    50/60 Hz
    Output Voltages:
    +5V, +12V, +5VSB, +24V, -12V, +3.3V
    Hot-Plug:
    Yes
    Autoranging:
    Yes
    Revision:
    Rev 00
    Country of Manufacture:
    Taiwan
    Condition Notes:
    This Delta Electronics DPS-420GB 195W Hot-Plug Autoranging Power Supply has been tested at our facility and is in good working order. The unit is in good used condition with normal cosmetic wear consistent with prior deployment.
    $80.00
    Was: $150.00
  • Power Tronic PK-6145DT3 145W ATX switching power supply — three-quarter front view showing fan and output harness with Molex and floppy connectors Power Tronic PK-6145DT3 145W ATX power supply — side and rear view showing AC inlet, fan grille, and output cable harness

    Power Tronic PK-6145DT3 145W ATX Switching Power Supply 20-Pin Desktop PC

    Power Tronic

    $40.00
    Was: $125.00
    Power Tronic PK-6145DT3 145W ATX Switching Power Supply 20-Pin Desktop PC This is a used ATX switching power supply rated for 145W maximum output. The unit supplies regulated DC power to desktop PC motherboards and components via multiple voltage rails...
    19235
    SKU:
    19235
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Power Tronic
    Model:
    PK-6145DT3
    MPN:
    PK-6145DT3
    SKU:
    19235
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Unit only — no additional accessories included.
    Form Factor:
    ATX Desktop
    Power Output:
    145W Max
    Connector Type:
    20-Pin ATX Main, 4-Pin Molex, Floppy
    AC Input Voltage:
    100V / 120V / 200V / 240V (selectable)
    AC Input Current:
    4.2A / 2.3A
    Frequency:
    47-63 Hz
    DC Output +3.3V:
    Min 0.3A / Max 6A (100W Max combined)
    DC Output +5V:
    Min 1.5A / Max 18A
    DC Output +12V:
    Min 0.2A / Max 4A
    DC Output -5V:
    Min 0A / Max 0.3A
    DC Output -12V:
    Min 0A / Max 0.3A
    DC Output +5VSB:
    Min 0A / Max 0.2A
    Cooling:
    Single 80mm case fan
    Compatible With:
    ATX desktop computers, 20-pin motherboards
    Country of Manufacture:
    Taiwan
    Manufacturer:
    Powertech Electronic Co., Ltd.
    Condition Notes:
    This Power Tronic PK-6145DT3 145W ATX switching power supply has been tested and confirmed to be in working order at our facility. The unit is in good used condition with normal cosmetic wear consistent with prior service.
    $40.00
    Was: $125.00
  • Power Tronics SK-4145DE 145W AT switching power supply — angled front view showing fan, IEC inlet, and output harness Power Tronics SK-4145DE label showing switching power supply specs: 115V/230V input, DC output ratings, UL/CSA/TUV certifications

    Power Tronics SK-4145DE 145W AT Switching Power Supply 115V/230V w/ Switch

    Power Tronics

    $70.00
    Was: $150.00
    Power Tronics SK-4145DE 145W AT Switching Power Supply 115V/230V w/ Switch AT form factor switching power supply rated for 145 watts. Provides regulated DC output for legacy desktop computer systems. Input voltage selector allows operation on 115V or...
    19133
    SKU:
    19133
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Power Tronics
    Model:
    SK-4145DE
    MPN:
    SK-4145DE
    SKU:
    19133
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Includes power cord and external power switch with harness
    Form Factor:
    AT Desktop
    Power Output:
    145 Watts
    Input Voltage:
    115V/230V AC (selectable on metal case)
    Input Current:
    4A at 115V / 2A at 230V
    Frequency:
    60/50 Hz
    DC Output +5V:
    +5V: 1.5A min, 14A max
    DC Output +12V:
    +12V: 0A min, 6A max
    DC Output -5V:
    -5V: 0A min, 0.3A max
    DC Output -12V:
    -12V: 0A min, 0.3A max
    Power Supply Type:
    Switching Power Supply
    Connector Standard:
    AT (P8/P9 motherboard connector)
    Certifications:
    UL (E 134129), CSA (LR 804), TUV Rheinland
    Standards:
    IEC Publication 950
    Compatible With:
    AT form factor desktop computers
    Country of Manufacture:
    Taiwan
    Condition Notes:
    This Power Tronics SK-4145DE 145W AT Switching Power Supply has been tested at our facility and is in good working order. The unit shows normal cosmetic wear consistent with prior use.
    $70.00
    Was: $150.00
  • TGR FA-250NI6 250W ATX switching power supply – three-quarter front view showing fan, IEC inlet, and voltage selector switch with output harness TGR FA-250NI6 250W ATX power supply – side and rear view showing ventilation slots and multi-wire output harness bundle

    TGR FA-250NI6 250W ATX Desktop Switching Power Supply 115V 230V Rev 1.03

    TGR

    $40.00
    Was: $150.00
    TGR FA-250NI6 250W ATX Desktop Switching Power Supply 115V 230V Rev 1.03 The TGR FA-250NI6 is a 250W ATX-form-factor switching power supply designed for desktop computer systems. It accepts dual AC input voltages — approximately 115V at 6.4A or 230V at...
    19068
    SKU:
    19068
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    TGR
    Model:
    FA-250NI6
    MPN:
    FA-250NI6
    SKU:
    19068
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Unit only; all attached harnesses and connectors included
    Form Factor:
    ATX Desktop
    Power Output:
    250W Max
    AC Input Voltage:
    ~115V 6.4A / ~230V 3.5A
    Frequency:
    50/60Hz
    DC Output +5V:
    25A
    DC Output +3.3V:
    14A
    DC Output -5V:
    0.5A
    DC Output -12V:
    1A
    DC Output +5VSB:
    3A
    DC Output +12V:
    10A
    Total DC Output:
    250W Max; Total -115W rail; 1A Max combined
    Revision:
    Rev 1.03
    Voltage Selector:
    Manual slide switch (115V / 230V)
    Connector Types:
    ATX 20-pin, Molex 4-pin, floppy power
    Cooling:
    Single 80mm case fan
    Certifications:
    FCC, CE, CB, TUV, UL (E139881)
    Country of Manufacture:
    China
    Compatible With:
    ATX desktop computers with ATX power supply bay
    Power Requirements:
    ~115V 6.4A or ~230V 3.5A, 50/60Hz
    Condition Notes:
    This TGR FA-250NI6 250W ATX Desktop Switching Power Supply has been tested at our facility and confirmed to be in working order. The unit is in good used condition with typical light surface wear consistent with prior desktop deployment.
    $40.00
    Was: $150.00
  • Sun 300-1105 Sony SOPS-APS45 44W power supply – top/side view showing full unit with output wiring harness Sun 300-1105 Sony SOPS-APS45 label closeup showing model, part number, input AC 100-240V and output DC +5V 2.6A +12V 1.6A specs

    Sun 300-1105 Sony SOPS-APS45 44W Power Supply DC +5V 2.6A +12V 1.6A 100-240V

    Sun

    $50.00
    Was: $100.00
    Sun 300-1105 Sony SOPS-APS45 44W Power Supply DC +5V 2.6A +12V 1.6A 100-240V Internal power supply unit designed for Sun Microsystems workstations and servers. Converts AC mains input to regulated DC outputs for system operation. Specifications &...
    18959
    SKU:
    18959
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    Sony
    Model:
    SOPS-APS45
    Secondary Model:
    300-1105
    MPN:
    300-1105-xx
    SKU:
    18959
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Power supply only; output connector harness attached
    Country of Manufacture:
    Japan
    Form Factor:
    Internal / Inline
    Compatible With:
    Sun Microsystems workstations/systems using 300-1105
    Power Requirements:
    AC 100-240V, 0.7-0.4A, 50/60Hz
    Output Voltage 1:
    DC +5V
    Output Current 1:
    2.6A
    Output Voltage 2:
    DC +12V
    Output Current 2:
    1.6A
    Power Rating:
    44W
    Connector Type:
    Multi-pin Molex-style output harness; IEC C14 AC input
    Certifications:
    UL, CSA Level 3, TÜV Rheinland
    Reference Number:
    2-626-242-03
    Condition Notes:
    Sun 300-1105 / Sony SOPS-APS45 44W power supply. Inspected, pulled from a working environment where it was in use and functional. Good used condition. Output harness and IEC inlet intact. Please contact us with questions.
    $50.00
    Was: $100.00
  • Sun Microsystems CR-86 300-1090-01 35W power supply – top and side view showing vented metal chassis with output wiring harness Sun CR-86 power supply label showing model number, part number 300-1090-01, input AC 100-240V 1A and output DC +5V 2A +12V 1.5A, manufactured in Singapore by Sony

    Sun Microsystems CR-86 300-1090-01 35W Power Supply 100-240V DC +5V 2A +12V

    Sun

    $40.00
    Was: $80.00
    Sun Microsystems CR-86 300-1090-01 35W Power Supply 100-240V DC +5V 2A +12V Internal power supply unit manufactured by Sony for Sun Microsystems workstations. Converts AC input to regulated DC outputs for system operation. Specifications & What's...
    18958
    SKU:
    18958
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    Sun Microsystems
    Model:
    CR-86
    MPN:
    300-1090-01
    Secondary Model:
    2-643-504-14
    SKU:
    18958
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Power supply only; output harness with connectors included
    Form Factor:
    Proprietary Slim/Desktop
    Power Rating:
    35W
    Input Voltage:
    AC 100-240V, 1.0A, 50/60Hz
    Output Voltage 1:
    DC +5V, 2.0A
    Output Voltage 2:
    DC +12V, 1.5A
    Compatible With:
    Sun Microsystems workstations using CR-86 PSU
    Manufactured By:
    Sony (manufactured for Sun Microsystems)
    Country of Manufacture:
    Singapore
    Certifications:
    UL (E98322), CSF (LR84114), Level 3
    Connector Type:
    IEC C14 inlet; internal Molex-style harness
    Condition Notes:
    This Sun Microsystems CR-86 300-1090-01 35W Computer Power Supply has been inspected and is in good used condition. It was pulled from a working environment where it was actively in use.
    $40.00
    Was: $80.00
  • Sun Microsystems APS-28 300-1080-03 60W power supply – top and left side view showing output wire harness and perforated metal enclosure Sun Microsystems APS-28 300-1080-03 60W power supply – opposite side view showing mounting tabs and full wire harness

    Sun Microsystems APS-28 300-1080-03 60W Power Supply DC +5V 4.5A +12V 4A

    Sun

    $50.00
    Was: $100.00
    Sun Microsystems APS-28 300-1080-03 60W Power Supply DC +5V 4.5A +12V 4A Internal power supply unit manufactured by Sony for Sun Microsystems workstations and systems. Provides regulated DC output across dual voltage rails with wide-range AC input...
    18957
    SKU:
    18957
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    Sun Microsystems
    Model:
    APS-28
    MPN:
    300-1080-03
    Secondary Model:
    300-1080
    SKU:
    18957
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Internal power supply unit only; no external cables included.
    Form Factor:
    Internal / Open Frame
    Power Output:
    60W MAX
    Output Voltage 1:
    DC +5V, 4.5A MAX
    Output Voltage 2:
    DC +12V, 4A MAX
    Input Voltage:
    AC 100-240V, 50/60Hz
    Input Current:
    1.4-0.85A
    Power Requirements:
    AC 100-240V~, 1.4-0.85A, 50/60Hz
    Connector Type:
    IEC C14 inlet; multi-wire output harness
    Country of Manufacture:
    Japan
    Manufacturer:
    Sony (manufactured for Sun Microsystems)
    Certifications:
    UL, CSA, TÜV Rheinland – Level 3
    Compatible With:
    Sun Microsystems workstations and systems requiring APS-28 PSU
    Condition Notes:
    This Sun Microsystems APS-28 60W internal power supply (part number 300-1080-03) has been tested at our facility and confirmed to be in good working order. The unit is in good used condition consistent with normal service life.
    $50.00
    Was: $100.00