SIIG 3-Port FireWire PCI Express Card Model NN-E20022-S1 Type: PCI Express to 1394 Card External 1394 Ports: 2x 1394 Ports Internal 1394 Ports: 1x 1394 Port Standard: 1394A Data Transfer Rate: 400/200/100 Mbps Operating Systems Supported: Windows 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) / Server 2003 & 2008 (32-/64-bit) / 2000 Mac OS X v10.4 or later Specifications: Compliant with 1394a-2000 and 1394-1995 standards Compliant with PCI Express Base Specification Revision 1.0a Chipset: VIA Installs in any available PCI Express slot and supports serial bus data transfer rates of 100, 200, 400Mbps Hot-swapping allows you to connect/detach devices without first turning your system off Parts: 1 year limited