Cateck Unibody Aluminum 3-Port USB 3.0 and Gigabit Ethernet Hub for iMac, MacBooks, PCs and Laptops Sleek Apple-style design ideal For Mac Pro, iMac, MacBook Air, MacBook Pro, MacBook, and Mac mini Add 3 USB 3.0 SuperSpeed ports to your PC and enjoy data transfer rates of up to 5Gbps for faster sync times; 1 gigabit ethernet port gives access to superfast network speeds, backward compatible with 10/100 ethernet. Yellow LED indicates power satus and Green LED indicates working satus. Built-in surge protection keeps your devices and data safe and supports hot swapping. Supports Hot Swap and Plug & Play at all USB ports, simple and intuitive handling. Theoretical transfer speed of up to 5 Gbps (The actual transmission speed is limited by the setting of the device connected), reciprocal compatibility with USB2.0/1.1/1.0. Compatibility: Windows 2000 / ME/ XP / Vista / 7 / 8 /10(32bit/ 64bit ) and MAC OS 10.X or later version