Product Detail Silicon Image SiL0680A chipset / PCI interface / Compliant with UDMA ATA/133 specification Supports maximum data transfer rate of 133 MB/s / Plug and Play Connect up to four (4) IDE devices / Supports RAID functions 0,1, and 0+1 Supports co-exist RAID set and Non-RAID Hard Drives . The "SiI0680A UDMA/133 IDE Raid Controller PCI Card" is best product for you. We recommended SiI0680A UDMA/133 IDE Raid Controller PCI Card