ORICO Port Portable USB 3.0 HUB For MAC ,Ultra Book and Windows 8 Tablet PC - Black ORICO 4 Ports USB3.0 HUB without Power Adaptor Positioned in Popular Consumption market; Lower Power Consumption Special Design Positioned in Popular Consumption market; Configurable with Latest Vl812 Chipset, More Efficient Power Use Over USB 2.0 .Transfer Rate Up to 5Gbps,10 Times Faster Than USB2.0 Support 1 TB External Hard Drive and 3 USB Flash Simultaneously;ABS Material with Excellent Workmanship Configurable with power and R/W LED indicator; Excellent quality USB3.0 Data cable available with 30cm length;