ICY DOCK Compact size internal 5.25" mount SATA 3.5" HDD Enclosure Holds single 3.5" SATA drive and fits any standard 5.25" device bay Support SATA 3 (6 Gb/s) hard drive Removable tray system and hot swap capability offers convenient solution for multi-drive exchangeability &amp; maintenance Rear warm air outtake fan ensures an optimal cooling environment Safeguard key lock function keeps data secure within the enclosure