PCI VIA 1394a 3+1mini ports card 1,PCI 2.2 compliant 2,PC99 ACPI Compliant 3,Transfer rate: Each port up to 400Mbps 4,Meets all OHCI and 1394A requirements 5,External port: 1394a x 3 6,Internal port: 1394a x 17,Support Win 98, ME, 2000, XP,VISTA PCI VIA 1394a 3+1mini ports card (VT6307 CHIP)