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.
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Task International TK-823 Switching Power Supply 230W AT 115/230V 50-60Hz
Task International
$70.00Was: $175.00Task International TK-823 Switching Power Supply 230W AT 115/230V 50-60Hz A 230W AT form-factor switching power supply designed for vintage desktop computers. Features selectable 115V/230V input and standard AT Molex output connectors. Specifications...34748- SKU:
- 34748
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 8.00 LBS
- Brand:
- Task International
- Model:
- TK-823
- MPN:
- TK-823
- SKU:
- 34748
- Condition:
- Used – Inspected
- Seller Notes:
- Power supply only; output harness with connectors included
- Form Factor:
- Desktop / AT
- Power Supply Type:
- AT Switching Power Supply
- DC Output Power:
- 230W
- AC Input Voltage:
- 115V / 230V (selectable)
- AC Input Frequency:
- 50-60Hz
- AC Input Current:
- 5A (115V) / 3A (230V)
- DC Output Rails:
- +5V 23A, +12V 9A, -5V 0.3A, -12V 0.3A
- Output Connector Type:
- AT Molex multi-pin harness
- Voltage Select:
- Manual selector switch (115V / 230V)
- Country of Manufacture:
- Unknown
- Compatible With:
- Vintage AT-form-factor desktop computers
- Power Requirements:
- 115/230V AC, 50-60Hz, 5/3A
- Condition Notes:
- This Task International TK-823 Switching Power Supply has been inspected and is in good used condition. The metal enclosure shows the light surface oxidation and patina typical of vintage AT-era equipment, consistent with age.
$70.00Was: $175.00 -
CSI Computer Sources 150W AT Power Supply Small Form Factor w/ Cable Switch
Computer Source
$50.00Was: $125.00CSI Computer Sources 150W AT Power Supply Small Form Factor w/ Cable Switch A 150W AT form factor power supply manufactured by Computer Sources International. This unit delivers regulated power to vintage AT-based desktop computers via standard AT...34714- SKU:
- 34714
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 6.00 LBS
- Brand:
- Computer Sources International (CSI)
- Model:
- AT Power Supply 150W Small Form Factor
- MPN:
- CSI AT 150W
- SKU:
- 34714
- Condition:
- Used – Inspected and Tested
- Form Factor:
- Small Form Factor (SFF) AT
- Power Output:
- 150W
- Input Voltage:
- 115V – 5A / 230V – 2.5A, 50/60Hz
- Output Voltages:
- +5V 15A, +12V 5.5A, -5V 0.5A, -12V 0.5A
- Power Good Signal:
- Orange wire Power Good signal present
- Switch Type:
- Cable Switch (external cable-mounted power switch)
- Connector Types:
- AT main connector, 4-pin Molex, mini-Molex
- Dimensions:
- 6.5" L x 4.25" W x 2.83" H (approx)
- Compatible With 1:
- AT form factor desktop computers
- Compatible With 2:
- Vintage IBM-compatible AT PCs, legacy desktop systems
- Country of Manufacture:
- Taiwan
- Seller Notes:
- Includes attached cable harness and cable-mounted power switch
- Condition Notes:
- This CSI Computer Sources International 150W AT Small Form Factor Power Supply has been tested at our facility and confirmed to be in working order. The unit presents in good used condition consistent with its age as a legacy PC component.
$50.00Was: $125.00 -
Power Win PW-150 150W AT Switching Power Supply w/ Power Switch Cable
Power Win
$45.00Was: $90.00Power Win PW-150 150W AT Switching Power Supply w/ Power Switch CableThe Power Win PW-150 is a 150-watt AT-form-factor switching power supply designed for AT and baby-AT desktop computers. It delivers multiple regulated DC output rails — +5V, -5V, +12V,...34687- SKU:
- 34687
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 5.00 LBS
- Brand:
- Power Win
- Model:
- PW-150
- MPN:
- PW 150
- Type:
- AT Switching Power Supply
- SKU:
- 34687
- Form Factor:
- AT
- Maximum Output Power:
- 150W
- Output Voltage Rails:
- +5V, -5V, +12V, -12V
- Output +5V Max Current:
- 15A
- Output +12V Max Current:
- 5.7A
- Output -5V Max Current:
- 0.5A
- Output -12V Max Current:
- 0.5A
- Connectors Included:
- Molex 4-pin (x4), Berg/Mini 4-pin (x1)
- Power Switch:
- Included (inline power switch cable)
- Fan Cooling:
- Single rear-mounted exhaust fan
- AC Input Connector:
- IEC C14 inlet, IEC C13 output
- Country/Region of Manufacture:
- Taiwan
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes power switch cable. Tested and in working order.
- Compatible With:
- AT form factor desktop computers, vintage PCs
- Condition Notes:
- Power Win PW-150 150W AT switching power supply. Tested and in working order. Shows normal cosmetic wear; label has surface soiling. Includes power switch cable. Please view photos and contact us with any questions.
$45.00Was: $90.00 -
PC100 PS80 60W Switching Power Supply 5V 12V DC SFF Desktop ATX Compatible
PC 100
$60.00Was: $135.00PC100 PS80 60W Switching Power Supply 5V 12V DC SFF Desktop ATX Compatible A 60W switching power supply for small form factor desktop computers. Converts 100-240V AC input to regulated +5V and +12V DC outputs with multi-pin connectors. Specifications...34650- SKU:
- 34650
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 7.00 LBS
- Brand:
- PC100
- Model:
- PS80
- MPN:
- PS80
- SKU:
- 34650
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes attached DC output harness and power switch cable
- Form Factor:
- Small Form Factor (SFF)
- Power Output:
- 60W Max
- DC Output +5V:
- +5V @ 12A
- DC Output +12V:
- +12V @ 0.8A
- AC Input Voltage:
- 100V – 240V AC Auto-Switching
- Input Frequency:
- 50/60 Hz
- Input Current:
- 2A
- Output Connector:
- Multi-pin proprietary harness with 6-pin and 8-pin connectors
- Input Connector:
- IEC C14 (standard 3-pin AC inlet)
- Compatible With:
- SFF desktop computers using PC100 PS80 form factor
- Type:
- Switching Power Supply
- Country of Manufacture:
- Taiwan
- Condition Notes:
- This PC100 PS80 60W Switching Power Supply has been tested and confirmed to be in working order at our facility. The unit powers on and is functioning as expected.
$60.00Was: $135.00 -
RU 8631 AT XT Vintage PC Power Supply 115/230V External Switch 101-6906-25
RU
$70.00Was: $150.00RU 8631 AT XT Vintage PC Power Supply 115/230V External Switch 101-6906-25The RU 8631 is an AT/XT-style desktop PC power supply in the classic box format used by early IBM-compatible personal computers. It features an external rocker-style power switch —...34647- SKU:
- 34647
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 7.00 LBS
- Brand:
- Unbranded
- Model:
- RU 8631
- MPN:
- 101-6906-25
- SKU:
- 34647
- Type:
- AT/XT Desktop PC Power Supply
- Form Factor:
- AT/XT (External Power Switch)
- Input Voltage:
- 115/230V AC, 50-60Hz
- Output +5V:
- +5V, 15A DC
- Output +12V:
- +12V, 4.2A DC
- Output -12V:
- -12V, 0.4A DC
- Output Connector:
- AT-style multi-pin Molex connectors
- Cooling:
- Internal cooling fan
- Power Switch:
- External rocker-style power switch
- AC Inlet:
- IEC C14 AC inlet
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Includes attached power harness cables; external switch intact
- Compatible With:
- AT/XT form factor vintage desktop computers
- Country/Region of Manufacture:
- Unknown
- Condition Notes:
- RU 8631 AT/XT vintage PC power supply. Inspected, in good used condition. Pulled from a working environment where it was in active use. Chassis shows light scuffing and age wear. Switch, fan, AC inlet, and cables intact.
$70.00Was: $150.00 -
Zenith 234-1135 125W Power Supply ZX-386 SX/20 Desktop 100-250V 12-Pin
Zenith
$70.00Was: $150.00Zenith 234-1135 125W Power Supply ZX-386 SX/20 Desktop 100-250V 12-Pin AT-style desktop power supply for the Zenith Z-386 SX/20 computer. Outputs 125W across multiple voltage rails with 12-pin rectangular connector and Molex peripheral connectors...34636- SKU:
- 34636
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 6.00 LBS
- Brand:
- Zenith Data Systems
- Model:
- 234-1135
- MPN:
- 234-1135
- SKU:
- 34636
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Unit only; no additional accessories included.
- Compatible With:
- Zenith Z-386 SX/20 Desktop Computer
- Form Factor:
- Desktop (AT-style)
- Power Output:
- 125W
- Input Voltage:
- 100-125V AC 2.5A / 200-250V AC 1.3A, 50/60Hz
- Output Voltages:
- +5.0V 14.0A, +12.0V 4.0A, -12.0V 0.5A
- Connector Type:
- 12-Pin Rectangular (AT-style)
- Output Connector Harness:
- Molex 4-pin peripheral connectors (multiple)
- Cooling:
- Internal 80mm fan
- Certifications:
- UL (E3601), CSA (LR 57283), EIA-343
- Country of Manufacture:
- Mexico
- Reference Part Numbers:
- OE-A-00150, 101-8280-05, EIA-343
- Series:
- Zenith Z-386 SX/20 (Groupe Bull)
- Condition Notes:
- This Zenith Data Systems 234-1135 125W desktop power supply has been tested and confirmed to be in working order at our facility. The unit presents in good used cosmetic condition consistent with its vintage.
$70.00Was: $150.00 -
Alitec ALI LA21 N 110V Industrial Power Supply Made in Italy 5/3263A
Alitec
$60.00Was: $125.00Alitec ALI LA21 N 110V Industrial Power Supply Made in Italy 5/3263A Open-frame industrial OEM power supply manufactured by Alitec in Italy. Accepts 110V AC input and delivers regulated power via multi-wire harness outputs with red multi-pin and...34614- SKU:
- 34614
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 7.00 LBS
- Brand:
- Alitec
- Model:
- ALI LA21 N
- MPN:
- 5/3263A LA21
- SKU:
- 34614
- Condition:
- Used – Inspected
- Seller Notes:
- Open-frame industrial power supply with wire harness outputs; no enclosure lid.
- Country of Manufacture:
- Italy
- Form Factor:
- Open Frame / OEM
- Power Requirements:
- 110V AC
- Voltage Rating:
- 110V
- Output Connector Type:
- Multi-wire harness; red multi-pin connector; Molex-style connector
- Date Code:
- INCR 9/87 (September 1987)
- Type:
- Industrial OEM Power Supply
- Condition Notes:
- This Alitec ALI LA21 N 110V industrial power supply has been inspected and appears to be in good used condition. The unit is an open-frame design with no outer enclosure lid.
$60.00Was: $125.00 -
Nedap 9833358 AF 81044 Switching Power Supply 100-240V +12V +5V Large Form
Nedap
$100.00Was: $200.00Nedap 9833358 AF 81044 Switching Power Supply 100-240V +12V +5V Large Form Factor Industrial-grade switching power supply manufactured by Nedap. Provides multiple regulated DC output voltages from standard AC mains input. Specifications & What's...34613- SKU:
- 34613
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 11.00 LBS
- Brand:
- Nedap
- Model:
- 9833358
- Secondary Model:
- AF 81044
- MPN:
- 9833358
- SKU:
- 34613
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Unit only; multi-pin output harness attached
- Country of Manufacture:
- Netherlands
- Form Factor:
- Large Form Factor / OEM
- Power Requirements:
- 100-115V / 220-240V AC, 50-60 Hz, 8-6A / 4-3A
- Output Voltage 1:
- +12 VDC @ 8.0 A
- Output Voltage 2:
- -12 VDC @ 3.0 A
- Output Voltage 3:
- +5 VDC @ 30.0 A
- Output Voltage 4:
- +5 VDC Monitor @ 0.1 mA
- Monitor Input:
- 100-115V / 220-240V AC, max 1.6 / 0.8 A, 50-60 Hz
- Connector Type:
- Proprietary multi-pin harness connectors
- Type:
- Switching Power Supply
- Certifications:
- Patent Pending (label notation)
- Condition Notes:
- This Nedap 9833358 (AF 81044) switching power supply has been tested at our facility and confirmed to be in good working order. The metal chassis is in good used condition with light surface scuffing consistent with prior deployment; no dents or
$100.00Was: $200.00