VCOM VC-POW8ADP 4-Pin Connector to 8-Pin Fan Power Cable (CE312) ATX 4 Pin to 8 Pin EPS Power Supply Cable Adapter, 6inch Converter cable that allows a PSU with a 4 pin Female P4 12v AUX Power connector to be used with a motherboard that requires an 8 pin Male EPS connector. Power a 8-pin fan with a standard PC power supply 4-pin connector For Cases, Cooling and other Accessories