Premium 4-Port USB 2.0 Alumium Portable Data Hub for iMac， MacBook， MacBook Pro， MacBook Air， Mac Mini， or any PC，Silver<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>USB Hubs for iMac， MacBook， MacBook Pro， MacBook Air， Mac Mini， or any PC</li><li>Adds 4 USB 2.0 ports to your computer - Up to 480 Mbps data transfer rate</li><li>Easy to set up， Plug &amp; Play， Hot swappable</li><li>Shielded Cable makes a safe and efficient data transfer for maximum performance and longtime usage</li><li>Compatible with Mac OS 9.1 &amp; higher， Windows 98SE /ME /2000 /XP /Vista /7， Linux 2.4 or above</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51kNCshHi0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31VLl8IzkqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31NkwOL9LFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414wrk-7qEL.jpg" noproxy>