Baitaihem USB 3.0 Hub 4 Port 5Gbps High Speed Portable USB 3.0 Date Hub with On/Off Switch USB Splitter Adapter Cable for PC Laptop

Color: Black USB Ports: 4 Ports USB type: USB 3.0 Compatible Systems: for Windows 2000/ for XP/ for Vista/ 7/ for Linux/ for Mac OS 9. X or above Compliant with USB version: USB1.0: 1.5Mbps (Low-Speed) USB1.1: 12Mbps (Full-Speed) USB2.0: 480Mbps (High-Speed) USB3.0: 5Gbps (Super-Speed) Package included: 1 * USB 3.0 Hub 1 * USB 3.0 Cable(no retail packing) Note :when you connect the Large capacity hdd or other Large Power devices, you may need to buy an external power adapter to let it work, because USB port have no enough power to drive it, thank you !