The XO IEEE-1394b, or FireWire 800 to 400 cables (9 pin (male) to 4 pin (male) 800 to 400), are the latest in FireWire technology. XO FireWire 800 to 400 PRO FusionXLS 2m cables are designed and produced to the highest IEEE-1394b standard and specifications. Deliver you multimedia data in real-time, error-free and with data transfer speeds up to 800Mbps, twice the speed of original FireWire. Produced with a special braided and pvc skin enabling the cable to bend easily, for durability and flexibility. These cables are 100% compatible with Apple FireWire, Sony iLink, PC applications, and all other IEEE-1394b peripherals.