HooToo USB 3.0 Hub 10-Port with 12V/4A Power Adapter, Latest VIA VL812 Chipset (HT-UH009) Massive expansion, provide 10 USB 3.0 ports for home and work users Premium 12V/4 DC power supply assure stable data transfer Built-in current protection system effectively protects hub and connected devices from electronically accident Latest VIA VL812 chipset enables stable performance and better compatibility Plug and play. Supports hot-swap function and no driver needed. Covered with 30 days worry-free money back insurance and 18 months warranty. 247 email and tell support