Features: Because more and more USB devices are available, the USB port on the chassis isn'for t enough You can use this device to directly convert the on-board USB 9 Pin and audio interface into USB3.0 ports and headphone output and microphone interface, which are installed in the idle floppy position. Front USB interface and audio interface are provided. Very convenient Also, because the front panel of the chassis adopts the interface board of AC-97 to be cost-effective. Currently, the front panel, the panel line and the chassis on the market are AC-97 interfaces, but the motherboard is currently H-D-AUDIO interface, resulting in no sound from the speakers. Or they are all tested and inserted in and cold. This problem can be solved with our panel true H-D-AUDIO interface. Specifications: Product model: FFD2U1C-G01 USB3.0 TYPE-C+2 ports+H-D audio panel Interface: USB3.0 19PIN audio 9PIN Master control: GL3523 Support system: WinXP/2003/Vista/2008/7/8/10/11 32/64bit/Linux Note: No retail package. Due to the monitor difference and light effect, the actual color of the item may be slightly different from the color shown on the pictures. Thanks Please allow 1-3mm measuring deviation due to manual measurement. Package includes: 1 x Floppy Drive Front Panel 1 x 20Pin-A Male 5 x Screws