PCI-express eSATA II 2-ext Port 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 1.0aSATA II Interface Compliant with Serial ATA II Specification Compliant with Gen2i, Gen2m SATA II Electrical Specification Revision 1.0 Data transfer rate up to 3.0Gb/s Backward compatible to SATA 1.0 Specification Support Port Multiplier Support 2-independent SATA channels Hot plug of external SATA devices supported All external ports are compatible to eSATA Specification Connectors : 2 X External eSATA II ports Driver supported MS 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)