ORICO 7618US3, with tool free, screwless to install any 3.5 inch HDD, you just need open the enclosure, then insert the HDD, and finish the whole HDD installation in 3seconds.With independent power switch, metal case, doorframe convection design, you do not need to worry about HDD overheat problem. Equipped with USB 3.0 interface, transfer rate up to 5Gbps.7618SUS3 provide you an economy and speedy storage solution for your work and life.