UCtech 10 Port USB 3.0 Hub with 12V/4A Power Adapter & Detachable USB 3.0 Cable for Ultra Book MacBook Windows 8 Tablet PC Backward Compatible [VIA VL812 Chipset and Latest 908x Firmware]-Silver 3x VL812 USB 3.0 controller inside offer speed up to 5Gbps and compatible with USB2.0/USB1.1 Designed with a built-in surge protector to safeguard your devices. High-grade chipset and 12V/4A ad Aluminum Case with 15 ergonomic interface offer an easy and comfortable Experience USB 3.0 ports supply 900mA (.9 Amp) each. Compatible with Windows XP / Vista / 7 / 8 or Mac OS X 10. Allow USB Flash Drive/Card Reader/External Hard Drive/Camera/Cell Phone/Tablet PC/USB Network Adapte