FosPower 4-Port SuperSpeed USB 3.0 HUB (Backwards Compatible) for Ultrabooks， PC Windows XP or later， Macbook， iMac， Mac OS X 10.6 or later - Black<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"> Four USB 3.0 ports </span></li><li><span class="a-list-item"> USB transmission speed of up to 5Gbit/s (SuperSpeed) on each port </span></li><li><span class="a-list-item"> Backwards compatible with USB 1.1 and USB 2.0 </span></li><li><span class="a-list-item"> Compatible with Windows XP or later， and Mac OS X 10.6 or later </span></li><li><span class="a-list-item"> This product comes with a limited lifetime warranty. Please refer to FosPower’s website for more information. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51gLiCYKiEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41uMWxm%2BVFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41clI9uxiyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41CuvObpKEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51P5PWA0ulL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51qaV9Yo4hL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51hAqTMMuXL.jpg" noproxy>