USB A & B 2.0 Connectors The FCI USB A and B 2.0 Connectors achieve speeds up to 480Mb/sec and are keyed and color-coded for different voltages. The FCI USB A and B 2.0 Connectors offer 12,000 high durability cycles to meet high-end applications. Available in through-hole and SMT versions, the USB Connectors feature PCB mounting options by position, orientation, and hold-down. The FCI USB A and B 2.0 Connectors are commonly used as a standard I/O connection in industrial, instrumentation, medical, and automotive industry applications.