Bus Type: ExpressCard/34 Speed: Supports SATA II transfer rates of up to 3Gbps Card connectors: 1 x eSATA Female Port Multiplier and NCQ (Native Command Queuing) support For use with computers which feature ExpressCard expansion slots SATA 1.0 compliant PCI Express rev 1.0a compliant Hot plug capability Compatible with Windows 2000/XP/Vista/Windows 7/Server 2003 2008 Chipset: JMicron 2 Year warranty