Features: brand new and high quality Plug into the motherboard through a 19PIN socket on the front panel, leading to 2 front USB3.0 ports with hd- audio 3.5mm port Installed in an idle floppy drive position, which provides a front super high-speed USB3.0 interface 2 USB 3.0 ports, data transfer rate up to 5Gbps Copper conductor for maximum conductivity and reliablity. Backward for USB 2.0 and 1.1, plug and for play, no driver needed. Fits inside 3.5 inches open bay; Usb cable: 0.6m/1.97ft (Approx.) Specifications: Input Connector : 19Pin + Audio 9Pin Port : 2Ports USB3.0 + HD-Audio 3.5 Fits inside 3.5 inches open bay No external power needed Plug and for play driver less installation Pannel Size: approx 9.5x10.1cm/0.3x0.33ft Material: Metal Color: Black Usb Cable: 0.6m/1.97ft (Approx.) Support System: for Windows XP, Vista, for Windows 7 8 32 & 64 Bit and OS. Note: Hardware requirements: One motherboard or adapter card with two USB3.0 20Pin interfaces and a free 3.5-inch floppy drive chassis. Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 x USB3.0 Front Panel 1 x Audio Cable 1 x Set Fixing Screws