SIIG 3-port 1394 (FireWire) PCI adapter Model NN-400012-S8 Type: PCI to 1394 Card External 1394 Ports: 3x 1394 Ports Standard: 1394A Data Transfer Rate: 400/200/100 Mbps Operating Systems Supported: Windows 98SE/ME/2000/XP (32-/64-bit)/Server 2003 (32-/64-bit)/Vista (32-/64-bit) Mac OS 8.6 or later Specifications: Regulatory approval(s): FCC Class B (DoC) & CE RoHS-compliant Chip: TSB43AB23 (TI single chip) Bus type: 32-bit PCI Port type: 3 IEEE external 1394 ports Compliant with IEEE 1394-1995, 1394a-2000 and OHCI 1.1 standards Compliant with PCI Plug-n-Play 2.2 Hot-swapping feature allows you to connect/disconnect devices without powering down the system Supports serial bus data transfer rates of 100, 200 and 400Mb/sec Adds 3 IEEE 1394 ports to your PC for high-speed I/O connection and supports up to 63 devices Weight: 0.35