The Patriot Supersonic Magnum2 is a USB 3.1 Gen 1 flash drive that is fully backward compatible with USB 2/3 devices. It has listed transfer speed specifications of 400MB/s read and 300MB/s write and the case is aluminum and sustainable of up to 15G of shock resistance. A huge plus that we see right off with this flash drive is that it comes with a standard 5 year warranty.