Direct Access Tech. USB 2.0 Plus 1394 A PCI Combo Card (1572) USB Rev 2.0 compliant 5 USB 2.0 (4 external + 1 internal) ports Supports up to 127 devices Hot swap ready Data transfer rates up to 480Mbps IEEE 1394 open host controller interface release 1.1 and IEEE 1394a-2000 compliant Three fire wire ports (2 external + 1 internal) Data transfer rates up to 400 Mbps