ICY DOCK 3.5" SATA Int HD Mob.rack with LCD Device holds single 3.5" SATA I or II drive and fits any standard 5.25" device bay User friendly Tray-less design just plug in the hard drive and play Removable Design & hot swap capability offers convenient solution for multi-drive exchangeability & maintenance. Stylish aluminum faceplate with heavy duty steel body construction --provides superior heat dissipation. Safeguard key lock function keeps data secure within the enclosure 40mm rear warm air outtake fan ensures an optimal cooling environment. Advanced drive monitoring system built internally w/ LCD visual & audio indicators