FireWire 800 to 400 9 pin to 6 pin Cable 6Ft(1.8M), IEEE 1394 Premium Firewire 800 9-pin/6-pin Male to Male Hi-Speed Cable FireWire 800 9-pin connectors are part of a recent improvement to the IEEE-1394 technology, called FireWire 800 (or IEEE-1394b) The improvement to the specification allows transfer of data at up to twice the speed of the original IEEE-1394 standard. Compatible with PC, Mac, FireWire, SUN, Sony iLink and all IEEE-1394b peripherals This new connector type can be adapted to the older 6-pin connector. Supports Plug n Play operation, Hot Pluggable When adapted, the maximum transfer rate will be 400 Mbps. Lifetime Warranty