Turn two standard SATA motherboard connections into two external e SATA ports. Star Tech.coms e SATA SATA adapter plate adds external data support to any existing Serial ATA controller, adding two e SATA ports for connection to external SATA devices. The adapter plate can be mounted to the rear panel of the computer case, providing straightforward e SATA to SATA connections & allowing users to connect their e SATA device (hard drive enclosure, etc.) to the provided e SATA port which is an extension of the motherboard SATA data connector. Designed to take advantage of the increased data integrity provided by external hard drives or RAID devices that support e SATA connections, the e SATA SATA adapter supports data transfer rates of up to 6 Gbps.