Power Supply to Pentium 4 Motherboard Connector, 12-Inch
Have a P4 motherboard but no P4-ready power supply? This device will help. It converts a regular 4-pin power connector to a special 12V output for the motherboard.
adapter turns a female LP4 connector into the male P4 connector needed for Pentium 4 motherboards.
Connector A: 4-Pin P4 Power
Connector B: LP4 Male