Massive 8-port expansion design, turns one motherboard 19Pin USB 3.0 header into eight independent USB 3.0 interfaces; Standard optical drive bay mounting form factor, fits vacant 5.25 -inch front bay of most ATX/MATX computer cases; Full USB 3.0 5Gbps bandwidth, stable high-speed transfer for external hard drives, SSDs, flash drives and gaming peripherals; All ports exposed on the front panel for one-touch plug/unplug, no need to reach rear motherboard I/O ports; Driver-free plug-and-play, widely compatible with all mainstream Windows desktop operating systems