Floppy Drive 4 Pin Power Connector Pinout

Pinout for the standard 4 pin floppy drive power connector

Picture of a 4 pin Floppy Power Connector
4 pin Floppy Power Connector. © Tim Fisher
by Tim Fisher
Tim Fisher has 30+ years' professional technology support experience. He writes troubleshooting content and is the General Manager of Lifewire.
Updated November 25, 2019

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.

You can see other ATX power supply connector pinouts in our ATX Power Supply Pinout Tables list.

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