Cables Unlimited Parallel ATA to Serial ATA Drive Converter - This SATA adapter provides a single chip solution for bridging between ATA controllers and SATA device. With the capability to translate SATA mass storage commands to ATA/ATAPI communication protocol you can easily use all types of Serial ATA Devices such as HDD, DVD-RW, CD-ROM, CD-RW with your existing ATA controller without the added expense of purchasing a SATA host controller.