This versatile solution provides a cost-effective way to turn any SATA (SATA 150) or SATA II (SATA 300) 3.5" hard drive, or 5.25" optical drive (Blu-ray DVDRW, CD-ROM, CD-RW, DVD-ROM, DVD-RW), into an external solution. Equipped with both USB 2.0 and eSATA interfaces for maximum data transfer capability (up to 3 Gbps with eSATA, up to 480 Mbps with USB 2.0) and convenient connectivity to the host computer, SAT5210U2EGB protects installed drives with a sturdy yet attractive aluminum casing and a 40mm fan to help cool the drive for optimal performance. SAT5210U2E can be installed in minutes, and provides the added convenience of a stereo headphone jack for computer-free CD playback.