UCEC USB 3.0 MotherBoard 20 Pin Male to Female Extension Cable 50cm 1. Transfer rate: 5GPps above; 2. Backward compatible with USB2.0,1.1 version; 3. USB3.0 is full duplex, independent of the four differential signal USB 2.0 signals, supports simultaneous bi-directional data transfer; 4. Support WINDOWS2003 / 2007 / XP / Vista / WIN7 / WIN8, support plug and play; 5. Apply to extend the front panel