Turn a 2.5in SATA hard drive into a USB2.0 or e SATA external hard drive This e SATA/USB External Hard Drive Enclosure transforms virtually any 2.5in SATA (SATA, SATA II, SATA III) laptop hard drive or solid state drive (SSD) into the perfect portable storage solution! Ideal for storing digital multimedia & other demanding applications, the external HDD enclosure lets you get the most out of your hard drive, connecting to a host computer using USB (Universal Serial Bus) 2.0 (also backward compatible with USB (Universal Serial Bus) 1.1)or e SATA, for maximum data transfer rates of up to 3 Gbps (using e SATA). A truly portable solution, SAT2510U2E features lightweight, yet durable aluminum construction, as well as a small form factor design that fits perfectly into your pocket or notebook bag when not in use. &, to eliminate the hassle of having to find a power outlet when you are ready to back up your data or load your stored files, the enclosure offers USB (Universal Serial Bus) powered operation, requiring no external power supply. " * Choose between e SATA or USB (Universal Serial Bus) 2.0 connectivity depending on host system configuration/capabilities * A compact, aluminum chassis makes for a light-weight & easily portable storage solution with optimal heat dissipation characteristics that's powered over USB (Universal Serial Bus) * Backed by a Star Tech.com 2-year warranty & free lifetime technical support"