Gigabyte B550M DS3H AC Micro‑ATX supports AMD AM4 CPUs with a 5+3 phase VRM, two PCIe M.2 slots (Gen 4/3), Realtek GbE LAN, Wi‑Fi 5 and Bluetooth 4, 7‑channel audio, RGB Fusion lighting, four DDR4 DIMMs up to 3200 MHz, and four SATA III ports.