USB 1.0 ~ 3.0
- USB 1 released in 1996 with speeds of 1.5 Mbps for Low-Bandwidth and 12 Mbps for High-Bandwidth;
- USB 2.0 release in 2000 is the most used usb port at the moment at supports a maximum speed of 480 Mbps;
- USB 3.0 released in 2008 in the latest standard who can support speed up to 5Gbps.
컨넥터의 종류는 7가지나 된다. 아래 그림을 통해 USB 컨넥터와 핀맵을 확인