Standards: USB 2.0 / SATA II Data Rates: USB: 480/12/1.5 Mbps eSATA: Up to 3Gbps USB: 3 x USB 2.0 Other Ports: 1 x eSATA II Interface: ExpressCard/34 Type-II Operating Systems Supported: Windows 98SE, ME, 2000, XP 32/64-bit, Server 2003 32/64-bit, Vista 32/64-bit, Server 2008 32/64-bit, Windows 7 32/64-bit Features: eSATA: Complies with SATA 1.0A specification, JMB360 chipset Supports SATA II with transfer rate up to 3Gbps Supports SATA AHCI (Advanced Host Controller Interface) Specification Rev 1.0 Supports hard disks with Native Command Queue (NCQ) feature USB: Complies with USB Specification Revision 2.0 , NEC uPD720114 Chipset Supports USB high-speed (480Mbps), full-speed (12Mbps) and