USB 3.0 Hub 7-port TP-LINK "UH700", external power adapter, BlackUSB 3.0 ports offer transfer speeds of up to 5Gbps, 10 times faster than standard USB 2.0The 7 data transfer ports mean you don't have to switch between devices*Note: Does not require drivers for Windows 10/ 8.1 / 8 / 7 / Vista / XP or Mac OS X and Linux systems. Backward compatible with USB 2.0/1.1 and the actual transmission speed is limited by the setting of the device connected.