Chasetac SuperSpeed USB 3.0 Extension Cable A-Male to B-Male (3 ft Black) USB 3.0 has a 5 Gbps Signaling rate offering 10x performance increase over high Speed USB. USB 3.0 is a Sync-N-Go technology that minimizes user wait-time. USB 3.0 will provide Optimized Power Efficiency. No device polling and lower active and idle power. USB 3.0 is back wards compatible with USB 2.0 Device inter operate with USB 2.0 platforms. Hosts support USB 2.0 legacy devices.