Cable macho IEEE 1394b Firewire 800 9 pines a 1394a Firewire 400 6 pines para MacBook
IEEE 1394B 9P Male to 6P Male Cable. IEEE 1394 FireWire 800 to FireWire 400 Cable (9-Pin Male to 6-Pin Male, 1.8m / 6ft). FireWire 800 (9-pin) devices andFireWire 400 (6-pin) devices, including Original FireWire systems (backward compatible).