SIIG FireWire Express Card (NN-EC2022-S1) Provides two FireWire ports (6-pin) & supports up to 63 devices Works with DV camcorders, hard disks, digital cameras, scanners, CD-RW/DVD drives, video game systems, & other audio/video devices Compliant with 1394a-2000 and 1394-1995 standards Supports serial bus data transfer rates of 100, 200, 400Mbps - See more at: http://www.siig.com/firewire-expresscard.html#sthash.gN0BvucV.dpuf Hot-swapping allows you to connect/detach devices without first turning your system off