10 Surprising Gadgets Your PC Motherboard Can Support

Your PC’s motherboard can support more than just the usual components. Here are 10 uncommon accessories you can plug in to unlock unique functionality. Add a debug diagnostic card to troubleshoot boot issues or an M.2 NVMe adapter for extra high-speed storage. Plug in a TPM module for enhanced security, or a POST speaker for audible error codes. Other rare but useful add-ons include fan extension hubs, internal USB expansion cards, Bluetooth/Wi-Fi modules, RGB lighting controllers, and even internal sound cards. These lesser-known upgrades help customize, optimize, and future-proof your custom PC build.