The ASRock B450M/ac R2.0 is a micro-ATX motherboard designed for AMD Ryzen processors, featuring the B450 chipset for solid performance and efficiency. It supports up to 64GB of DDR4 RAM, offers dual M.2 slots, and includes built-in Wi-Fi 5 (802.11ac) for wireless connectivity. With a robust set of I/O options, including USB 3.1, HDMI, and Gigabit Ethernet, this motherboard is a great choice for budget-conscious users looking to build a powerful and versatile PC.