7-Port USB 3.0 SuperSpeed Aluminum Hub for MacBook Pro, MacBook Air, and All PCs Compatible with all Windows/Mac/Linux systems. Adds 7 USB 3.0 ports to your computer - Up to 5Gbps data transfer rate Safe and reliable. Voltage and current overload protection will protect the hub and connected devices. Easy to set up, Plug-n-Play, Hot swappable, Hot pluggable