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Slim rectangular AT power supply, matte metal finish, push-button switch on front, fan vent on rear, 150W label

TOPOWER

TOPOWER TOP-150A1 150W AT power supply

SKU CH-BD2Z-CB2V9 MPN TOP-150A1

A 150W AT power supply with P8/P9 connectors, two Molex and two FDD outputs, and a push-button switch in a slim 170 x 80 x 62 mm case

  • TypeAT
  • Maximum Power150 W
  • Fans1
  • Main ConnectorP8/P9 6PIN AT
  • +12V RailsSingle
  • ModularNo
  • 150 W output powers legacy AT systems
  • Slim 170 x 80 x 62 mm chassis fits compact cases
  • P8/P9 6-pin AT connector ensures motherboard compatibility
  • Dual voltage 115/230 V input suits global mains supplies
  • Over-voltage and overload protection safeguards connected components

Slim AT power supply for legacy builds

The TOPOWER TOP-150A1 is a 150 W AT form-factor unit designed for vintage PCs and industrial boards that still use the P8/P9 6-pin motherboard connector. Its slim 170 x 80 x 62 mm chassis fits tight enclosures where standard ATX units will not mount.

Replaces ageing original AT units

Swap this in when an old 150 W supply has failed or drifted out of regulation on the +5 V 15 A and +12 V 6 A rails. The jump is worth it if the original lacks over-voltage and overload protection, because this model includes both safeguards for the 115 / 230 V input range.

Straightforward drop-in installation

The fixed cable loom provides two Molex 4-pin and two FDD 4-pin leads plus the AT motherboard connector, so no modular cables need routing. A push-button mains switch is integrated on the unit. The only common snag is the single 80 mm fan orientation; verify airflow direction matches the case venting before securing the four mounting screws.

Highlights

  • 150 W output powers legacy AT systems
  • Slim 170 x 80 x 62 mm chassis fits compact cases
  • P8/P9 6-pin AT connector ensures motherboard compatibility
  • Dual voltage 115/230 V input suits global mains supplies
  • Over-voltage and overload protection safeguards connected components

Specifications

BrandTOPOWER
SeriesA1
ModelTOP-150A1
TypeAT
Maximum Power150 W
Fans1
Main ConnectorP8/P9 6PIN AT
+12V RailsSingle
ModularNo
Over Voltage ProtectionYes
Overload ProtectionYes
Input Voltage115 / 230 V
Input Frequency Range50/60 Hz
Output150W
Power Rating150W
Dimensions170 x 80 x 62 MM
Weight3 LBS
+5V Max. Current15A
+12V1 Max. Current6A
-12V Max. Current0.5A
Floppy Connector2
Peripheral Connector2
Fans Total Quantity1
Rear Fans Size60mm

Questions about this item

Will the 170 mm length fit inside my slim AT case?

The unit measures 170 x 80 x 62 mm, so verify your chassis clearance against those dimensions before ordering.

Does the +12 V rail deliver enough current for a vintage hard drive?

The single +12 V rail is rated at 6 A, which matches many period-correct drives.

Can I connect both a hard drive and a floppy drive at the same time?

Yes, the supply provides two Molex 4-pin and two FDD 4-pin connectors for simultaneous use.

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