USB 1.0. Low speed. 1.5 Mbps. 5V /500mA. 1996 .Jan. USB 1.1. Full speed. 12 Mbps. 5V /500mA. 1998 .Sep. USB 2.0. High speed. 480 Mbps. 5V /500mA. 2000 .Apr.
確定! 回上一頁