Sunix FWB3414G. Host interface: PCIe, Output interface: PCI Express, Connector(s): 2x 1394B, 1x 1394A. Data transfer rate: 2500 Mbit/s. Certification: FCC, ROHS. Colour of product: Brown. Connectivity technology: Wired, Compatible operating systems: Win 2000, XP, Sever2003, Vista Linux MAC G5, Power requirements: 3.3/5 V