Vantec NexStar HX 3.5-Inch SATA to USB 3.0 and FW 800 Ext HDD Enclosure with Fan NST-330U3F-SL Large 80mm Fan w/ On & Off Switch Vents To Exhaust Hot Air To Let In Cool Air Backwards-Compatible with USB 2.0 or 1.1 Attractive Blue LED Indicates Power & HDD Activity Aluminum Casing Cools Down Your Hard Drive