Floppy Drive 4-Pin Power Connector Pinout

Pinout for the standard 4-pin floppy drive power connector

By
Tim Fisher
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Tim Fisher
Senior Vice President & Group General Manager, Tech & Sustainability
  • Emporia State University
Tim Fisher has more than 30 years' of professional technology experience. He's been writing about tech for more than two decades and serves as the VP and General Manager of Lifewire.
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Updated on May 27, 2022

The floppy drive 4-pin power supply connector is the standard floppy drive power connector in computers today.

The power connector itself is a Berg connector, sometimes referred to as a Mini-Molex connector.

Below is the complete pinout table for the standard floppy drive 4-pin peripheral power connector as of Version 2.2 of the ATX Specification (PDF).

If you're using this pinout table to test power supply voltages, be aware that the voltages must be within ATX specified tolerances.

floppy drive 4 pin power supply connector

Floppy Drive 4-Pin Power Connector Pinout (ATX v2.2)

Pinout Table
Pin Name Color Description
1 +5VDC Red +5 VDC
2 COM Black Ground
3 COM Black Ground
4 +12VDC Yellow +12 VDC

You can see other ATX power supply connector pinouts, like for the 24-pin motherboard power connector and 15-pin SATA power connector, in our ATX Power Supply Pinout Tables list.

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