Features: 100% brand new and high quality Plug into the motherboard through a 19PIN socket on the front panel, leading to 4 front USB3.0 ports Installed in an idle floppy drive position, which provides a front super high-speed USB3.0 interface 4 USB 3.0 ports, data transfer rate up to 5Gbps Copper conductor for maximum conductivity and reliablity. Backward compatible with USB 2.0 and 1.1, plug and play, no driver needed. Fits inside 3.5 inches open bay; Usb cable: 0.6m/1.97ft (Approx.) Package Includes: 1 x USB3.0 Front Panel 1x 19PIN-A Male Cable 5x Fixing Screws Specifications: Pannel Size: approx 9.5x10.1cm/0.3x0.33ft Cable Length:approx 0.6m/1.97ft Material: Metal USB:4xUSB3.0 Color: Black Support System: Windows XP, Vista, 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.