product description : sata ii 2-port pci express card slot supported : pci express sys req : windows-based computer with available pci express slot windows 2000, xp, 2003 server includes : sata ii 2-port (1 internal/1 external) pci express card, user manual, driver-installation cd * adds 2 serial ata ii ports (1 external and 1 internal) to computer * installs easily into any pci express slot * perfect solution for users who want to add serial ata ii ports to their computers * designed to take advantage of the additional bandwidth & features provided by the new pci express i/o interconnection standard note : card will not fit into a standard pci slot