Connection cable with USB 3.2 Gen 1 A connector to B connector with thumb screws. The USB 3.2 Gen 1 connection cable offers a consistently high data transfer rate of up to 5 Gbit/s thanks to the combination of a high-quality cable design and connectors with copper contacts. The USB cable connects the computer to a threaded A port and to various EXSYS products that have threaded B ports.