Please note that this lead only allows connections of up to 400Mbps. For full speed 800Mbps connections, your PC and equipment must be Firewire 800 enabled and connected using a 9-pin to 9-pin lead (such as Order Code L33BT or L34BT). This lead is designed to allow Firewire 400 equipment to be used with Firewire 800 enabled PCs.