Rosewill 2-Port USB 3.0 PCI Express Card Components RC-505<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"> PCI Express to USB Card </span></li><li><span class="a-list-item"> External USB Ports: 2 x USB 3.0 Ports </span></li><li><span class="a-list-item"> Standard: USB 3.0 </span></li><li><span class="a-list-item"> Data Transfer Rate: Up to 5.0 Gbps </span></li><li><span class="a-list-item"> Operating Systems Supported: Windows XP/Vista/7/8 (32/64 bit)/10 </span></li><li><span class="a-list-item"> Fully compliant with PCI Express Base Specification Revision 2.0 </span></li><li><span class="a-list-item"> Single-lane (x1) PCI Express throughput rates up to 5 Gbps </span></li></ul><!--   Loading EDP related metadata  --><div aria-live="polite" class="a-row a-expander-container a-expander-inline-container"><div aria-expanded="false" class="a-expander-content a-expander-extend-content" style="display: none;"><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">Compliant with Universal Serial Bus 3.0 specification Revision 1.0</span></li><li><span class="a-list-item">The Rosewill RC-505 uses one free PCI Express slot to provide two USB 3.0 ports</span></li><li><span class="a-list-item">With up to 5Gbps maximum transfer rate， the RC-505 offers an ideal connection for digital cameras， scanners， printers， external CD/DVD/Blu-ray writers， hard disk drives， flash memory drives and etc</span></li><li><span class="a-list-item">The RC-505 has built-in 4-pin power connector for added power source to better support power hungry bus-powered devices</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41jS-nsT8gL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416ORW652cL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51zMiZlWywL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31nHD1PFkcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31EEgipp%2BuL.jpg" noproxy></div></div>