Moshi's FireWire 800 (IEEE 1394b) cable is the ideal solution to connect and transfer data between your Mac computers at blazing fast 800 Mbps speeds. The cable is triple-shielded with strain relief for maximum performance and reliability. Both ends are clearly marked so you don't have to guess the correct orientation every time you plug in. The package also includes a Moshi FireWire 400 to 800 adapter for connectivity with FireWire 400 peripherals.