U-CCOMM Slope Aluminum USB 3.0 Hub With a 13.5" Cable, High-Speed 4-Port Adapter Connector for iMac, MacBook, MacBook Pro, MacBook Air, Mac Mini, or Any PC, Silver Sleek Apple-style design ideal For Mac Pro, iMac, MacBook Air, MacBook Pro, MacBook, and Mac mini. Adds 4 unpowered USB 3.0 ports to your computer - Up to 5Gbps data transfer rate. Easy to set up, Plug-n-Play, Hot swappable, Hot pluggable. Compatible with all Windows/Mac/Linux systems. High grade and unique design and very useful.