USB3.0的命名有点乱：
USB3.0 = USB3.1 gen1 = USB3.2 gen1 = 5Gbps = SuperSpeed USB
USB3.1 = USB3.1 gen2 = USB3.2 gen2 = 10Gbps = SuperSpeed USB 10Gbps
USB3.2 = USB3.2 gen2x2 = 20Gbps = SuperSpeed USB 20Gbps
USB4 = 40Gbps
USB Type-A = 常用的U盘USB接口；
USB Type-C = 可正反插的小插口，支持充电/数据/视频
转载3y4.net请注明 --> 原文链接
