Top-Longer Aluminum 3-Port USB 3.0 and Gigabit Ethernet Hub with 11.8in/30cm USB 3.0 Cable Adds 3 USB 3.0 ports and an Ethernet port to your device 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. Built-in surge protection keeps your devices and data safe and supports hot swapping. Compatible with: Windows XP, Vista, 7, 8 / Mac / Linux