FUSB340 USB 3.1 SuperSpeed 10Gbps Switch onsemi FUSB340 USB 3.1 SuperSpeed 10Gbps Switch is a 2:1 data switch for USB SuperSpeed Gen1 and Gen2, 5Gbps and 10Gbps data. The switch is ideal for the mobile device market and Type-C applications where a reversible cable requires a switch. The FUSB340 data switch offers superior performance to various high-speed data transmission protocols. These protocols include USB 3.1 SuperSpeed (Gen 2), 10 Gbps, PCI Express, Gen 3, SATA, Fibre Channel, and Display Port 1.3.