-Silicon Image Sil3114 SATA controller chip. -Compliant with PCI Specification, Rev. 2.3, 32bit, 33/66Mhz. -Compliant with Serial ATA 1.0 Specification. -Provides 4 independent channels to support up to 4 Serial ATA devices. -Supports RAID 0, 1, 5, 0+1, JBOD and Individual modes. -Supports SATA up to 150MBps.