PCI-express SATA 2 1-ext + 1-int Ports SATAII Card Chipset : Sil Image 3132 Features : 1-Lane (x1) PCI-Express with transfer rate 2.5 Gb/s Full Duplex channel Compliant with PCI-Express Revision 1.0a SATA II InterfaceCompliant with Serial ATA II Specification Data transfer rate up to 3.0Gb/sBackward compatible to SATA 1.0 Specification Support Port MultiplierSupport 2-independent SATA channels RAID Function (Optional) Connectors : 1 X Internal SATA II port + 1 X External SATA II Port Supports Windows 2000/XP 32-bit/XP 64-bit/Server 2003, Vista, Linux, Mac OS Package Content : 1 X Product 1 X Manual 1 X Driver CD (Note : Photo attached is for reference only, it may be slightly varied in items of colour, shape from the actual item delivered from time to time) We also carry lower cost SATA 2 model : CPE-1E01, CPE-3E14, CPE-3E15, CPE-3E16, CP-3E42, CP-3E43, CP-1S01