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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Radius 915-0028 Macintosh Power Supply Motorola PSM-7458-52 For Parts
Radius
$45.00Was: $90.00Radius 915-0028 Macintosh Power Supply Motorola PSM-7458-52 For PartsThe Radius 915-0028 is an open-frame internal switching power supply board, OEM-manufactured by Motorola under part number PSM-7458-52, designed for use in Apple Macintosh computers...41695- SKU:
- 41695
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 4.00 LBS
- Brand:
- Radius
- Model:
- 915-0028
- MPN:
- 915-0028
- Secondary Model:
- PSM-7458-52
- Type:
- Internal Macintosh Power Supply Board
- SKU:
- 41695
- Condition:
- As-Is / For Parts or Not Working
- Compatible With:
- Apple Macintosh (Radius-equipped models)
- Input Voltage:
- 120V AC, 0.9A (per label visible in photos)
- Form Factor:
- Open-Frame PCB / Internal Module
- Output Connector:
- Wiring harness with bare leads and connector
- Seller Notes:
- Sold as-is for parts or repair. Includes attached wiring harness.
- Country/Region of Manufacture:
- United States
- Condition Notes:
- Radius 915-0028 / Motorola PSM-7458-52 vintage Macintosh power supply board. Sold as-is for parts or repair — not tested, no functionality guarantee. Board appears visually intact with heat sink and wiring harness present.
$45.00Was: $90.00 -
VMX Inc DIAL SA10096-01 Rev AZ 340W 2 Disk Power Supply Hipot Tested
VMX Inc
$50.00Was: $100.00VMX Inc DIAL SA10096-01 Rev AZ 340W 2 Disk Power Supply Hipot Tested This is a 340-watt open-frame power supply from VMX Inc's DIAL product line. Designed for industrial and telecom equipment, it features a 2-disk configuration and delivers multiple...41320- SKU:
- 41320
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 5.00 LBS
- Brand:
- VMX Inc
- Model:
- SA10096-01
- Secondary Model:
- SM20037-01
- MPN:
- SA10096-01
- SKU:
- 41320
- Condition:
- Used – Inspected
- Revision:
- Rev AZ
- Power Output:
- 340W
- Configuration:
- 2 Disk
- Form Factor:
- Open Frame / Panel Mount
- Test History:
- Hipot Tested – Date: 1-21-95
- Product Line:
- DIAL
- Seller Notes:
- Includes mounting tray/panel and multi-wire output harness
- Country of Manufacture:
- USA
- Condition Notes:
- This VMX Inc DIAL SA10096-01 340W 2-disk power supply has been inspected and appears to be in good used condition. The unit presents cleanly overall, with no significant damage observed to the housing, mounting tray, or PCB assembly.
$50.00Was: $100.00 -
Power-One 12253 Fuse Panel Power Supply Mallory CGS 13000MFD 50VDC 115-230VAC
Power One
$60.00Was: $125.00Power-One 12253 Fuse Panel Power Supply Mallory CGS 13000MFD 50VDC 115-230VAC Transformer-based linear power supply designed for panel-mount installation in industrial fuse panel assemblies. Converts 115–230VAC input to regulated 50VDC output with...39778- SKU:
- 39778
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 28.00 LBS
- Brand:
- Power-One
- Model:
- 12253
- MPN:
- 12253
- SKU:
- 39778
- Condition:
- Used – Inspected
- Seller Notes:
- Includes Mallory Type CGS 13000MFD 50VDC capacitors and alarm relay module
- Form Factor:
- Panel Mount
- Power Requirements:
- 115–230VAC, 47–440Hz
- Voltage Rating:
- 115–230VAC input; 50VDC capacitor rating
- Capacitor Type:
- Mallory Type CGS, 13000MFD, 50VDC
- Capacitor Part Number:
- 103-10028
- Max Surge Voltage:
- 65VDC
- Temperature Rating:
- 0°C to +75°C (EMI filter); +85°C (capacitor)
- EMI Filter:
- 3EF1, 250V~3A, 50-60Hz, L-1.0mH
- Alarm Output:
- Relay contacts: NO Alarm, COM, Alarm (GND, Volts labeled)
- Indicator Lights:
- 2x green, 2x red/amber panel indicators
- Country of Manufacture:
- USA (Camarillo, California)
- Compatible With:
- Custom industrial fuse panel assemblies
- Type:
- Transformer-based linear power supply with capacitor filter bank
- Condition Notes:
- Power-One 12253 Fuse Panel Power Supply inspected and in good used condition. Front panel shows light wear. Internal transformer, Mallory 13000MFD 50VDC capacitors, and alarm relay module appear intact. Not bench-tested.
$60.00Was: $125.00 -
NCR 530-0009297-1 Mainframe Power Supply 120V 50/60Hz Rev C NCR Power Systems
NCR
$100.00Was: $225.00NCR 530-0009297-1 Mainframe Power Supply 120V 50/60Hz Rev C Multi-rail linear/switching power supply designed for NCR mainframe and minicomputer systems. Supplies regulated +12V, +5.1V, +5VB, -12V, and -5V rails with integrated battery backup circuit and...38739- SKU:
- 38739
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 24.00 LBS
- Brand:
- NCR
- Model:
- 530-0009297-1
- MPN:
- 530-0009297-1
- SKU:
- 38739
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes attached multi-connector output wire harness
- Form Factor:
- Internal / Chassis-Mount
- Country of Manufacture:
- USA
- Power Requirements:
- 120V AC, 50/60Hz
- Input Voltage Range:
- 90-107V, 104-127V, 114-136V, 198-235V, 207-240V, 216-250V (transformer strapping)
- Revision Level:
- Rev C
- Plant Code / Tracer Number:
- 44/007394
- Output Rails:
- +12V, +5.1V, +5VB, -12V, -5V, GND A (see label for test point voltages)
- TP1 Voltage Range:
- +11.4V to +12.6V (Yellow)
- TP2 Voltage Range:
- +4.95V to +5.25V (Red)
- TP3 Voltage Range:
- +4.85V to +5.36V (Orange)
- TP4 Voltage Range:
- -12.6V to -11.4V (Blue)
- TP7 Voltage Range:
- -5.15V to -4.85V (Green)
- Fuse F1 (Battery):
- F3A/250V — NCR P/N 007-3040018
- Fuse F2 (T1/BBU):
- T500uA/250V or T250mA/250V — NCR P/N 007-9812544 / 006-4310012
- Fuse F3 (AC Line):
- F10A/250V or F6A/250V — NCR P/N 007-3040023 / 007-3040021
- Fuse A1F1 (HV Bulk DC):
- F4A/250V — NCR P/N 007-3040032
- Battery Backup Circuit:
- Yes — F2 fuse labeled T1 (BBU)
- Cooling:
- Internal fan — Nidec TA450DC, 12VDC
- Compatible With:
- NCR mainframe and minicomputer systems (vintage)
- Type:
- Multi-Rail Linear/Switching Mainframe Power Supply
- Application:
- Vintage NCR mainframe / minicomputer systems
- Condition Notes:
- This NCR 530-0009297-1 mainframe power supply has been tested and is in good working order. Chassis shows light surface wear and iridescent patina typical of vintage industrial equipment. Output wire harness and cooling fan are intact.
$100.00Was: $225.00 -
Conversion Devices SDP 106-3 Power Supply 300W 5V 12V 115-240V PN 175-00136
Conversion Devices
$70.00Was: $125.00Conversion Devices SDP 106-3 Power Supply 300W 5V 12V 115-240V PN 175-00136 Industrial-grade embedded power supply module designed to provide multiple regulated DC outputs from standard AC mains. Manufactured in the United States for telecom and...38547- SKU:
- 38547
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 7.00 LBS
- Brand:
- Conversion Devices, Inc.
- Model:
- SDP 106-3
- MPN:
- 175-00136
- SKU:
- 38547
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Unit only — no accessories included.
- Form Factor:
- Inline / Embedded Module
- Power Requirements:
- 115+/-10% / 200-240V AC, 50/60Hz, 6.3/3.5A
- Output Voltage 1:
- 5V / 25A
- Output Voltage 2:
- 12V / 14A
- Output Voltage 3:
- 12V / 3A (24A Peak)
- Maximum Power Output:
- 300W
- Input Voltage:
- 115V / 200-240V AC (auto-ranging)
- Input Frequency:
- 50/60Hz
- Input Current:
- 6.3A @ 115V / 3.5A @ 200-240V
- Connector Type:
- 20-pin main connector, 4-pin auxiliary connector
- Cooling:
- Internal fan (rear-mounted)
- Country of Manufacture:
- United States
- Condition Notes:
- This Conversion Devices SDP 106-3 power supply, PN 175-00136, has been inspected and is in good used condition. It was pulled from a working environment where it was previously in active use.
$70.00Was: $125.00 -
PBT PMA-30061-P48 300W Redundant ATX Power Supply 100-240V Dual Hot-Swap
PBT
$70.00Was: $150.00PBT PMA-30061-P48 300W Redundant ATX Power Supply 100-240V Dual Hot-Swap This is a dual redundant hot-swap ATX power supply module designed for industrial and telecom applications requiring continuous operation. Two 300W plug-in modules provide...38545- SKU:
- 38545
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 9.00 LBS
- Brand:
- PBT
- Model:
- PMA-30061-P48
- Secondary Model:
- PMA-3006M-P48
- MPN:
- PMA-30061-P48
- SKU:
- 38545
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes 2 plug-in hot-swap power supply modules
- Form Factor:
- Dual Stacked / Hot-Swap Module
- Power Rating:
- 300W
- Power Requirements:
- 100-240V AC, 50/60Hz, 6.3A PFC (per unit)
- Output Voltages:
- +5V, +12V, +3.3V, -12V, +5VSB
- Output Currents:
- +5V/30A, +12V/11A, +3.3V/22A, -12V/1A, +5VSB/1.5A
- Max Combined Output:
- +5V and +3.3V Total Power 175W
- Type:
- ATX Switching Power Supply
- Configuration:
- Dual redundant hot-swap plug-in modules
- Modules Included:
- 2
- Country of Manufacture:
- Taiwan
- Certifications:
- UL, CE
- Date Code:
- 10/09/02
- Condition Notes:
- This PBT PMA-30061-P48 300W redundant ATX switching power supply has been tested at our facility and confirmed to be in working order. Both plug-in hot-swap modules are included.
$70.00Was: $150.00 -
IBM 12J5991 Delta DPS-145PB-73 90W ATX Power Supply 100-240V 12J5990
IBM
$60.00Was: $135.00IBM 12J5991 Delta DPS-145PB-73 90W ATX Power Supply 100-240V 12J5990 The Delta Electronics DPS-145PB-73 is a 90-watt ATX-form-factor desktop power supply manufactured for IBM and commonly found in IBM desktop PC platforms of the late 1990s. It carries...36224- SKU:
- 36224
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 6.00 LBS
- Brand:
- IBM / Delta Electronics
- Model:
- DPS-145PB-73
- Secondary Model:
- DPS-145PB-73 A REV:00
- MPN:
- 12J5991
- IBM Part Number:
- 12J5990
- IBM FRU Number:
- 12J5991
- EC Number:
- E71692
- SKU:
- 36224
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Unit only — no additional accessories included.
- Form Factor:
- ATX Desktop
- Power Output:
- 90W Max
- Power Requirements:
- 100-125V~ 5A / 200-240V~ 3A, 47-63Hz
- Output Voltages:
- +3.52V/10A, +5V/18A, +12V/4.2A, -5V/0.3A, -12V/0.4A
- Standby Output:
- +5VSB / 0.72A
- Total Power:
- 90W Max on +3.52V and +5V rails
- Continuous Output:
- 150.3W on +12V rail
- Connector Type:
- 20-pin ATX main, Molex 4-pin peripheral, floppy
- Country of Manufacture:
- Mexico
- Date Code:
- 9728
- Compatible With:
- IBM Desktop PCs using ATX 90W form factor PSU
- Condition Notes:
- This IBM 12J5991 / Delta DPS-145PB-73 90W ATX Desktop Power Supply has been tested at our facility and is in good working order. The unit is cosmetically consistent with normal used surplus equipment — the steel housing shows light surface scuffs
$60.00Was: $135.00 -
Todd Products DMX-504-1205V DC Power Supply 40-60V Input 0.22A Alcatel
Todd Products
$150.00Was: $600.00Todd Products DMX-504-1205V DC Power Supply 40-60V Input 0.22A Alcatel Open-frame DC power supply module designed for Alcatel telecom equipment. Accepts 40-60V DC input at 0.22A and converts to regulated output for compatible systems. Specifications...35247- SKU:
- 35247
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 12.00 LBS
- Brand:
- Todd Products Corp
- Model:
- DMX-504-1205V
- MPN:
- DMX-504-1205V
- SKU:
- 35247
- Condition:
- New – Open Box
- Seller Notes:
- New open-box unit in anti-static wrap inside original shipping box.
- Form Factor:
- Open Frame / Module
- Compatible With:
- Alcatel Telecom Equipment
- Country of Manufacture:
- USA
- Input Voltage:
- 40-60V DC
- Input Current:
- 0.22A
- Power Type:
- DC Input
- Certifications:
- UL, CE, CSA (Level 6)
- Condition Notes:
- This Todd Products DMX-504-1205V DC power supply is new and unused. The unit is in its original anti-static packaging and is housed inside a white cardboard shipping box, as shown in the photos.
$150.00Was: $600.00