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Rectangular AT power supply unit with metal casing and rear fan grille

myVolts

myVolts AT power supply 3.4 x 2.5 x 7 in

SKU CH-ABFA-RTMTZ

AT power supply with 24-pin, 4-pin 12V, SATA, Molex and floppy connectors plus a 40 mm ball-bearing fan

  • TypeAT
  • High-quality AT replacement for legacy PC builds
  • 40 mm ball-bearing fan with thermal speed control for quiet cooling
  • 24-pin ATX, 4-pin 12 V, SATA, Molex and floppy connectors included
  • Output rails deliver +3.3 V, +5 V, +12 V, -12 V and +5 V standby
  • Compatible with PC9059, PC9053, 54Y8887, 54Y8824, 54Y8846, 54Y8862, 89Y8586

myVolts AT Replacement Power Supply

This myVolts AT power supply replaces original units in compatible desktop systems. It delivers standard AT voltages including +3.3 V, +5 V, +12 V, -12 V and +5 V standby. A 40 mm ball-bearing fan with thermal speed control handles cooling.

Suitable for legacy system repairs

This unit suits technicians repairing or maintaining older PCs that require an AT form factor supply with a 24-pin (20+4) main connector, 4-pin 12 V, SATA, Molex and floppy connectors. It is not for builders needing modern ATX12V or EPS12V standards, higher current on the 12 V rail, or modular cabling.

Bundled connectors expand drive support

The included SATA, Molex and floppy power leads let you connect multiple drives and peripherals without adapters. The 20 ms rise time and 17 ms hold-up time help maintain stable output during brief input fluctuations.

Highlights

  • High-quality AT replacement for legacy PC builds
  • 40 mm ball-bearing fan with thermal speed control for quiet cooling
  • 24-pin ATX, 4-pin 12 V, SATA, Molex and floppy connectors included
  • Output rails deliver +3.3 V, +5 V, +12 V, -12 V and +5 V standby
  • Compatible with PC9059, PC9053, 54Y8887, 54Y8824, 54Y8846, 54Y8862, 89Y8586

Specifications

TypeAT

Questions about this item

Which motherboard power connector does the AT supply use?

The unit provides a 24 (20+4) pin ATX connector for the motherboard.

Can I run this replacement alongside the original 40 mm ball-bearing fan in the same chassis?

The internal 40 mm ball-bearing fan with thermal speed control is built into the supply itself; no separate original fan is required.

How do I verify the +12 V rail is delivering 17 A after installation?

Measure the +12 V output under load with a multimeter; the specification lists 17 A maximum current for that rail.

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