Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. 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 Percent compliant with USB 3.0 specifications