SATA hot-swap mobile rack enclosure with instant H.D.D. installation, hot-swap ability, and unlike any other units you will ever encounter. SATA hot-swap mobile rack has made it simple, easy, and convenient to maximize your storage capability. In addition, the SATA hot-swap mobile rack has a key lock built-in, which allows you to protect and safely secure your hard drive.Hot-swap mobile rack comes with a unique mechanism design that is easy hot-swapping your SATA hard disk drive from the mobile rack. It is designed with an anti-vibration system to provide extra protection to your hard disk drive, and a powerful cooling fan and a casing to provide better heat dissipating and dust. It is support Serial ATA I 1.5Gb/s and Serial ATA II 3.0Gb/s compatible.