USB 3.0 4 Port Hub for Macbook Air， Surface Pro， and Windows 8 Tablet<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"> Supports USB Specification Revision 2.0 </span></li><li><span class="a-list-item"> Implemented USB3.0 power management functionality </span></li><li><span class="a-list-item"> USB attached SCSI Protocol Revision 1.0 compliance </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41EePK2CMcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41MCa%2BJugQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Yv5-515iL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41O8sHQCewL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31rK46JAaWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JB8qMSu1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41wk2Uw14kL.jpg" noproxy>