Add two eSATA ports to your PC, extended from internal Serial ATA connection ports. The ESATAPLT2LPM SATA to eSATA Plate Adapter (low profile/half-height) adds external data support to any existing Serial ATA (SATA) controller, enabling you to connect external SATA (eSATA) storage to a computer. With support for data transfer rates of up to 6 Gbps, this external SATA plate lets you take advantage of the increased data integrity provided by external hard drives or RAID devices that support eSATA connections.