UtechSmart Premium 4 Port Aluminum USB Hub (11.5" cable) for iMac, MacBook, MacBook Pro, MacBook Air, and Mac Mini- Black Sleek Apple-style design ideal For Mac Pro, iMac, MacBook Air, MacBook Pro, MacBook, and Mac mini Plug-n-Play, Hot swappable, Hot pluggable Extends 4 USB 2.0 ports to your computer with up to 480 Mbps data transfer rate Built-in surge protector safeguards your devices, and 18-month manufacturer's warranty Compatible with all Windows/Mac/Linux systems