PCI-X SATA II 4-Port RAID Controller Card 1.RAID 0,1,5,10 & JBOD(optional) 2.Plug'n Play 3.3Gb/s SATA port data transfer rate ... 4-Port RAID Controller CardFeatures2-External and 2-Internal SATA II Ports (optional)RAID 0, 1, 5, 10 & JBOD (Optional)PCI-X 64-bit 133MHz InterfaceBackward compatible to PCI ...