Astrotek USB 3.1 Type C Male to USB 3.0 Type B Male The ASTROTEK USB-C to USB 3.0 Type B cable is the perfect solution for connecting a hard drive, hub, or other device that has a USB B port to a computer, tablet or other device that has a USB Type-C port for USB 3.0 communication. Connect a USB-B device to a USB Type-C port on a laptop, desktop computer, tablet, or other device. • USB-C Male to USB 3.0 B Male connection • Data transfer speeds up to 5 Gbps • 3A charging output • Reversible USB-C connector