1. 4 Ports: The 3.5-inch front panel features a total of 4 ports, providing two external USB 3.0 ultra-high-speed ports, a high-definition audio output port, and a microphone input port. 2. Good Stability: The conductor in the USB 3.0 high-speed cable uses tinned copper and three shielding layers, enhancing data transfer stability. 3. Strong Anti-Interference: The audio interface on the USB 3.0 front panel hub utilizes a high-definition audio scheme. Compared to AC97 in the chassis, it offers greater transmission bandwidth, high playback accuracy, and strong anti-interference capabilities. 4. Compatible System: The USB front panel adapter is compatible with Windows XP/Vista/Server/7/8/10, Linux, and other operating systems. 5. Convenient Use: The USB 3.0 front panel is easy to use, requiring no driver installation or external power supply. It can be used by connecting to the interface and supports hot plugging. Article Type: USB Front Panel Material: Iron Product Size: Approx. 102 x 94 x 25mm / 4.0 x 3.7 x 1.0in Expansion Interface: 2 x USB3.0, HD AUDIO Installation Location: Front Floppy Drive Bay Installation Cable Length: Approx. 74cm / 29.1in Scope of Application: Suitable for expanding the front I/O interface of computer chassis with a 3.5-inch floppy drive bay, facilitating the connection and disconnection of USB and audio devices, and utilizing motherboard expansion ports. 1 x USB Front Panel 1 x HD AUDIO Cable 5 x Screw 1 x Screwdriver