Compliant with Serial ATA II specification Backward compatible to Serial ATA 1.0 specification Data transfer up to 3.0Gbps Support Native Command Queue (NCQ), FIS Based Switching with Port Multiplier Support 1-independent SATA ports All external ports are compatible to eSATA Specification Compatible to 1-Lane (x1) PCI-Express throughput Driver supported MS Windows 2000/XP/XP 64-bit/Vista, Linux, Mac OS