1.PCI 2-Channel Serial-ATA Controller Card, 1x Internal SATA and 1x External e-SATA, SIL3512 Chipset 2.Silicon Image SIL3112A Serial ATA (SATA) host controller chipset 3.1x Internal SATA Port and 1x External e-SATA Port 4.PCI 32-Bit 33/66 MHz Interface 5.Compliant with PCI Specification Revision 2.3 6.Support PCI Bus-Master Access 7.Fully Plug and Play 8.Compliant with Serial ATA Specification Revision 1.0 9.Support Serial ATA Generation 1 transfer rate of 1.5Gb/s (150MB/s) 10.Support two independent Serial ATA channels 11.Independent 256-byte FIFOs per Serial ATA channel for host reads and writes 12.Support Windows 98SE/ME/NT4/2000/XP/Server 2003/XP 64-bit/Vista/Windows 7/Linux