Features:<br />1 Support any USB devices such as USB flash drive， MP3， external hard disk drive， digital camera， camcorder etc.<br />2 Extended two high speed USB 3.0 interface and one 20 pin interface， can connect with 4 devices simultaneously<br />3 USB 3.0 transmission speed can reach up to 5 Gbps， and compatible with USB 2.0/1.1 at the same time<br />Name: desktop PCI-E 2 port USB 3.0 20-pin  power ESATA adapter controller card <br />Model: LT-303<br />Material: metal + ABS + PC<br />Dimension: about 120 x 83 x 20 mm<br />Expansion interface: 2 external USB 3.0 interface， 1 internal USB 3.0 20-PIN interface， 1 power interface and 1 ESATA interface<br />Installation type: desktop case mainboard PCI-E plug slot<br />Suitable for any USB devices such as USB flash drive， MP3， external hard disk drive， digital camera， camcorder etc.<br />Instruction:<br />1 Comply with PCI-Express 2.0 specification <br />2 Extended two high-speed USB3.0 interface and a 20PIN interface， can connect with 4 devices simultaneously<br />3 Extend a USB3.0 20PIN slot for expansion USB3.0 interface on the front panel <br />4 USB3.0 transmission rate can reach up to 5Gbps， and compatible with USB 2.0/1.1 at the same time <br />5 USB3.0 interface provides 5V/2A super strong power for adequate and stable supply <br />6 Support hot plug， plug and play <br />7 Support PIN power supply， sufficient and stable power supply， which can guarantee stable and secure operation<br />8 Support Window XP / VISTA / Windows 7 <br />Note: <br />1 This expansion card must be connected to power for normal working<br />2 For details please take reference from the attached CD ( including instructions guide， setup， FAQs， firmware upgrades)<br />1 x PCI express card<br />1 x Cross screw<br />1 x CD ( with English manual )<br />In neutral package ( static bag + PE bag + bubble bag + carton )<br /><img src="http://img6.eachbuyer.com/x21/p55/bi027_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p55/bi027_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p55/bi027_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p55/bi027_4.jpg" />