SIENOC 2 ports USB 3.0 to motherboard 20 pin adapter 0.5m cable<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"> Interface: 1 motherboard 20-pin head 2 USB 3.0 A female ports </span></li><li><span class="a-list-item"> High-speed USB 3.0 ports Easy to board 20-pin to USB 3.0， NO Driver needed </span></li><li><span class="a-list-item"> can fixed it on the chassis front panel by using the metal backplate Cable Length: 50 cm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/318oNdStuKL.jpg" noproxy>