Providing a convenient solution for extending the connection from power supply to motherboard; Connector A: ATX 12V 8 pin (4+4) male (Detachable CPU 8 pin(4+4) end could be used as EPS ATX 8 pin or P4 ATX 4 pin by sliding on/off), connector B: ATX 12V 8 pin female ( NOTE: it is CPU 8 pin, not pci-e 8 pin); Compatible with power supplies with ATX 8 pin port;