Computers, Laptops & Tablets Accessories & Hardware Floppy Drive 4-Pin Power Connector Pinout Pinout for the standard 4-pin floppy drive power connector by Tim Fisher General Manager, VP, Lifewire.com Tim Fisher has 30+ years' professional technology support experience. He writes troubleshooting content and is the General Manager of Lifewire. our editorial process Facebook Twitter LinkedIn Tim Fisher Updated on June 12, 2020 Accessories & Hardware The Quick Guide to Webcams Keyboards & Mice Monitors Cards HDD & SSD Printers & Scanners Raspberry Pi Tweet Share Email 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 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 in our ATX Power Supply Pinout Tables list.