Specification: Item size: 5 * 3 * 1cm / 1.97 * 1.18 * 0.39in(L * W * H) Item weight: Approx.6g / 0.21oz Package size: 13 * 8.7 * 1cm / 5.12 * 3.43 * 0.39in(L * W * H) Package weight: 10g / 0.35oz Features: USB 3.0 Interface and it is backward compatible with USB2.0, USB1.1. The highest transfer rate up to 5Gbps, much higher than USB2.0 480Mb/s. Support Windows XP/2003 / Vista/win7/win8/2003/linux. Built-in SATA power interface. It supports hot plug.