KNACRO Motherboard 2 Ports 20pin USB 3.0 Hubs Expansion Rear Panel Header Bracket<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>You can use this cable to connect the USB 3.0 type-A female to USB 3.0 (20 pin header) directly to the motherboard. USB 3.0 port x 2 to USB 3.0 20 pin connector x 1， length 50 cm / 19.68 in.</li><li>Interface gold-plated， copper conductor conductor with oxygen-free copper production， high transmission speed， double-layer aluminum foil + inner membrane shielding double anti-interference， transmission stability， anti-interference ability.</li><li>Data wire twisted pair (impedance matching)， to minimize the cross-interference of the data line signal! USB3.0 transmission specification， providing up to 5Gbp / s ultra-fast data transfer rate， no driver， support hot-swappable， plug and play， backward compatible with USB2.0， USB1.1 specification.</li><li>Core grouping: power cord 28 ~ 20AWG， 2.0 signal line and ground 34 ~ 28AWG， 3.0 signal line 34 ~ 26AWG.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31uOTrs23NL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31HMlAenn%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Phr3uameL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31v63EJRdLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/315SnjncoRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311v7smJfcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31AF48wKq7L.jpg" noproxy>