1. 2 port usb 3.0 hub with port Backward compatible with USB 2.0/USB 1.1/USB 1.0 2.Connect to USB 3.0, USB2.0, USB3.1 Type-C devices 3.Fit any 5.25inch computer case front bay SuperSpeed USB 3.1 Gen2 TYPE-C supports up to 10 Gbps of bandwidth 4.Support variety of USB devices including scanners, printers, digital cameras, camcorders, speakers, mice, keyboards, external drives, MP3 players and more. Wire length: 80CM Product Interface: 1Port USB3.1 TYPE-C + 2 Port USB3.0 + 2 Port USB2.0 Input Interface: TYPE-E, USB3.0 19Pin, USB2.0 9Pin Interface Rate: 10Gbps, 5Gbps, 480Mbps Support System: WINXP/7/8/10/2003//Linux Weight: about 280g (including packaging) Mounting Options: 5.25inch CD-ROM Drive Bay Product use: With the popularity of USB3.0, more and more motherboards now have a USB3.0 19pin socket, the chassis does not have a front USB3.0 port, you can use this panel, as long as through the panel A 19PIN, 9pin and TYPE-E socket is plugged into the mainboard, which leads to 2Port USB3.0, 2 Port USB2.0 and USB3.1 GEN2 TYPE-C ports and is installed in an idle optical drive. Hardware requirements: With One USB3.0 20Pin interface, two USB2.0 9Pin interface and One TYPE-E interface boards or adapters, with a 5.25-inch optical drive chassis. Standard: USB 3.1 Interface Type: USB Type-C Feature: usb hub colour:Black Material:Plastic + Metal Package Contents: 3 x USB Front Panel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.