USB 3.0 is the new standard for super speed Universal Serial Bus USB 3.0 can support speeds up to 5Gbps. Our USB 3.0 cables are built to the USB 3.0 standard, ensuring super speed data transfer. This is a USB A Female to USB A Female coupler. It is used to join two USB A Male cables together to create a longer cable run. It supports USB 3.0 speeds up to 5Gbps.