2 x Serial ATA connectors Chipset: Sil 3512 Compliant with SATA, revision 1.0 Compliant with Serial ATA 1.0, revision 2.3 specifications Stand-alone PCI to Serial ATA host controller Serial ATA generation 1, data transfer rate up to 150MB/sec Supports RAID for better speed respectively a higher data protection Supports hard drives larger than 137GB Two independent Serial ATA channels supporting up to two Serial ATA hard drives Supports Windows 7, Vista and XP