This Dynamode 4-Port SATA PCI Card will connect to your motherboard and provide you with four SATA ports.Devices that can be connected to the SATA ports include hard drives and CD/DVD drives.This device is PCI 2.3 compliant and supports the SATA 1.0 revision.If you are considering implementing RAID technology (RAID 0, 1, 5, 0+1 or JBOD) in your computer to improve speed and safety, the 4-Port SATA PCI Card is for you!