Monoprice Select Series USB 3.0 A to A Female Extension Cable, 3' (113750) This cable features a USB 3.0 A male connector on one end and a USB 3.0 B female connector on the other end. The USB 3.0 B connector differs from the traditional USB 2.0 B connector in that it has 5 additional pins, which carry SuperSpeed data. 28 AWG data conductors and 24 AWG power conductors 100% compliant with USB 3.0 specifications