SIIG USB 3.0 4-Port Bay Hub (JU-H40212-S2) Drive bay design adds four USB 3.0 ports to the front of your system Installs in any available 3.5" or 5.25" device bay (5.25" mounting rack included) Works with high-bandwidth USB 3.0 devices, such as external hard disks, high resolution webcams, camcorders, video surveillance cameras, digital video cameras, multi-channel audio and more