Star Tech.com's e SATA SATA adapter plate adds external data support to any existing Serial ATA controller. 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 & is backed by Star Tech.com's Lifetime Warranty. The Star Tech.com Advantage Add e SATA device support to any computer with a Serial ATA controller Easy to use & install Backed by Star Tech.com's lifetime warranty