Description: USB 3.0 Motherboard 20pin female connector to 20pin female socket extension cable Offers a throughput of up to 4.8Gbps when used with a USB 3.0 host and device,an astounding 10x the capability of USB 2.0 (480Mbps). Transfer rate: up to 5 Gbps when connected with a USB 3.0 compliant host and device. Interface: USB 3.0 motherboard 20-pin female head. Easy to extend your 20pin cable. Specification: Cable Length: 0.3meter Package Includes: 1 x USB 3.0 20Pin Female to 20Pin Female Extension Cable