Supporting 10 Gbps transmission rate, USB 3.1 Series includes USB type C plug, in which upper and lower sides are identical, so there is no need to pay attention to orientation of plug in connection. Type C also supports charging of batteries with power levels up to 100 W. All USB 3.1 connectors and cable assemblies are plated with nickel-palladium and gold to ensure high transmission quality. Depending on type, board connectors are packaged in reels or trays.