Bootable eSATA Express Card AdapterFeaturesCompliant with PCI-Express Spec. V1.1Works with Mac and PCCompliant with SATA 1.0 Spec.Supports UDMA mode 2,4,5,6External booting supportedBuild-in LED indicator for data transferSupports SATA CD-ROM/DVD ROM/COMBO/DVD RWNo driver requiredSupports DOS, Windows XP/Server 2003/Server 2008/Vista/Win 7, Linux and Max OSSystem RequirementMS Windows 98SE / Me / 2000 / XP / Server 2003 / XP 64-bit / Vista