Startech - eSATA/SATA PCIe SATA Controller Card

Turn an available PCI Express (1x) slot into an internal SATA or external SATA (eSATA) connection. Supporting SATA 300 (SATA II) hard drives and data transfer rates of up to 3Gbps, this is the perfect solution if you need an extra SATA port or want to externalize your storage. It also features Port Multiplier support with command based switching for connecting multiple external hard drives to host through one eSATA connection. This controller card fits into your computer's existing PCI Express slot to create 1 internal Serial ATA II port and 1 external Serial ATA port for connecting a variety of devices.