Century Accessory 2-Port Express Card Firewire 1394A Laptop Expansion Card Adapter Compatible with any laptop that has a 34mm ExpressCard slot Supports Windows XP 32/64-bit, Server 2003 32/64-bit, Vista 32/64-bit, Server 2008 32/64-bit, Windows 7 32/64-bit Complies with ExpressCard/34mm Type II standard Complies with IEEE 1394 Open HCI Specification v1.0 and 1.1 Complies with 1-Lane (x1) PCI-Express REV 1.1 specification