The SATA 1.5Gbps Dual Profile PCI Card adds 1 internal and 1 external SATA port to your desktop computer. It is great for users who want to add SATA connectivity to their computers but do not want to buy a whole new computer. Devices commonly used with this host adapter are next generaton hard drives, DVD drives such as Blu-ray optical drives, HD-DVD drives and personal media centers. The dual profile design of this adapter makes it fit into low profile or standard cases.