This multifunctional 5.25 -inch front panel expansion board is an ideal upgrade accessory for desktop PCs with vacant optical drive bays. It concentrates seven commonly used interfaces on the front of the case to eliminate the trouble of frequently accessing rear motherboard ports. The high-performance USB 3.1 Gen2 Type-C port supports up to 10Gbps ultra-fast data transfer, greatly shortening the waiting time when copying high-definition videos, raw photos and massive documents. Multiple USB ports with dual transmission speeds meet different usage needs: USB 3.0 for high-capacity storage devices and USB 2.0 for daily low-power USB gadgets. Independent HD audio and microphone jacks allow you to plug in headsets directly at the front for gaming, online meetings and media playback. It comes with a dedicated 20Pin Key-A connecting cable that perfectly matches the motherboards internal USB 3.1 Gen2 header, maintaining complete signal integrity and neat internal wiring layout. The standard 5.25 -inch panel size can be firmly installed on all ATX, MATX and ITX chassis without extra case modification. This panel supports plug-and-play operation with no additional driver installation required, widely applicable to custom gaming rigs, office workstations and photography editing desktops lacking front expansion interfaces.