Features: brand new and high quality It is used for desktop computer host to expand the front I/O interface by using the idle optical drive position, which is convenient for the plug-in connection of peripheral USB and audio equipment, and the for case is DIY upgrade high-speed transmission. Strictly developed in accordance with the size of the optical drive interface, the screw hole position and diameter are in line with industry standards. Simplified structure design occupies less cabinet space, and lower logistics and warehousing costs. The USB3.0 high-speed cable conductor is made of tinned copper, and the stability of data transmission is improved through three-layer shielding; the audio interface adopts the high definition audio solution to experience the comfortable experience brought by high-fidelity audio. Compared with the AC97 of the chassis, the transmission bandwidth is larger, high playback accuracy and for stronger anti-interference. Reasonably design the panel interface layout to ensure that each device can be inserted normally. The lightweight galvanized steel plate has a longer service life against oxidation and corrosion, and the sandblasted panel is more coordinated with the chassis as a whole. Specifications: Name: USB3.0 Optical Drive Front Panel Plug: Copper for Shell Nickel-plated Terminal Gold-plated for 3m Interface: USB3.0+USB2.0+Type-C+3.5mm Audio Size: 99mmx148mmx42mm/3.9x5.8x1.6in Cable Length: 0.8m/31.5in Note: Please correctly distinguish the difference between the size of the host's CD-ROM drive and floppy drive. The CD-ROM drive is generally located on the top of the host; the floppy drive is generally located in the middle of the host, otherwise it will not be able to be installed and used normally. 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 Optical Drive Front Panel