Syba SD-ATA133R PCI 32-Bit, IDE U/ATA133 RAID Controller, SIL680 Chipset UDMA/133 IDE RAID PCI Controller Card General Features: Silicon Image SIL0680 chipset PCI interface Compliant with UDMA6 ATA/133 Specification Compliant with ATA/ATAPI-6 Specification Support maximum data transfer rate of 133MB/sec Two independent Ultra ATA channels with 256 bytes buffer per channel Connect up to four IDE/ATA devices (Coexist with On-board IDE ports)