100% brand new and high quality<br />4-port USB3.0 interface can connect four USB devices at the same time<br />USB3.0 interface transfer rate up to 5Gbps， also compatible with USB2.0 and USB 1.1<br />USB3.0 interface with the senior pin interface<br />Support USB hot-swappable， plug and play<br />With 4 PIN ports， need to connect the power supply when working<br />Product size: about 120 x 90 x 19 mm<br />Interface: 4 USB3.0 output port ( compatible with USB 2.0， USB 1.1.)<br />Support System: Windows2000/XP/Vista/7<br />Product Model: NECXG PC-4p<br />Extended Interface: USB3.0 x 4<br />Comply with PCI-Express Specification Version 2.0<br />Master IC: NEC720201<br />1 x PCI card<br />1 x Disc<br />In original package<br /><img src="http://img6.eachbuyer.com/x5/p99/rs04_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x5/p99/rs04_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x5/p99/rs04_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x5/p99/rs04_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x5/p99/rs04_5.jpg" />