Sabrent 4 Port Portable USB 3.0 Hub with Power Switch for Ultra Book， MacBook Air， Windows 8 Tablet PC – Black (HB-U3P4)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Expand by connecting up to 4 USB 3.0， 2.0， or 1.1 devices to any USB 3.0 or 2.0 capable computer </span></li><li><span class="a-list-item"> Compatible with all Windows/Mac/Linux systems. </span></li><li><span class="a-list-item"> Supports USB 3.0 transfer rates up to 5Gbps. Backwards compatible with all USB 2.0/1.1 devices and hosts </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Y8SRiEccL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/517u7mrg%2B2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31T9xqzpESL.jpg" noproxy>