Sabrent Premium 4 Port Black Aluminum USB 3.0 Hub (30" Cable) for iMac, MacBook, MacBook Pro, MacBook Air, Mac Mini, or Any PC [Black] (HB-MC3B) Instantly Add Four USB 3.0 Ports to Any Compatible Device Supports Transfer Speeds up to 5Gbps (USB 3.0), 480Mbps (USB 2.0), 12Mbps (USB 1.1) Reverse Compatible USB 2.0 and USB 1.1 Easy Setup, Plug-n-Play, Hot Swappable, Hot Pluggable Compatible With All Windows/Mac/Linux Systems