The connector itself is a Molex 39-01-2240 connector (aka, Molex Mini-fit Jr).

This is the large 24-pin connector that usually attaches near the edge of the motherboard.

SATA power connectors only connect to SATA drives likehard drivesand optical drives.

ATX Main Power Connector Pinout Table

Tim Fisher

They don’t work with olderPATAdevices.

4-pin Peripheral Power Connector Pinout

The Molex 4-pin power supply connector is a standard peripheral power connector.

The connector itself is a Molex 8981 connector, also called AMP MATE-N-LOK.

ATX Serial ATA Power Connector Pinout Table

Tim Fisher

This small connector usually attaches to the motherboard near theCPU.

This connector usually attaches to the motherboard near the CPU.

ATX Peripheral Power Connector Pinout Table

Tim Fisher

ATX Floppy Drive Power Connector Pinout Table

Tim Fisher

ATX 4 Pin Power Connector Pinout Table

Tim Fisher

ATX 6 Pin Power Connector Pinout Table

Tim Fisher