A520M-A PRO Gaming from MSI Micro ATX Motherboard AMD A520 (Ryzen AM4) with M.2 Slot USB 3.2 Gen 2 Type-A: The most reputable brand in gaming and eSports, according to the manufacturer, is MSI. In exchange for their knowledge and expertise in our products, we have invested countless hours and resources into helping the best and most ambitious gamers in the world. MSI incorporated the goals of every gamer.