PCI 4 port SATA adapter. Connect your internal host card to external devices. Four internal latching sata connections attached directly to 4 external eSATA II connections. You can use 12 inch straight SATA cables listed below to connect the SATAPort to the host card. Use Shielded External cables with Type I eSATA connectors on the SATA Port end. This adapter is basically just 4 pairs of back to back connectors and will support SATAI and SATAII throughputs.