GIGABYTE B550M K AM4 Micro-ATX Motherboard — PCIe 4.0, Dual M.2, SATA 6Gb/s, USB 3.2 Gen1, Realtek GbE

Compact AM4 micro-ATX board built for modern Ryzen systems — the GIGABYTE B550M K supports AMD Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series and Ryzen 3000 Series processors. Memory support includes dual-channel DDR4 (ECC or Non-ECC unbuffered) across four DIMM slots. Power delivery is handled by a 4 plus 2 Phases Digital Twin Power Design using Low RDS(on) MOSFETs to ensure stable operation under load. Storage and expansion options include a PCIe 4.0 x16 graphics slot and two ultra-fast NVMe M.2 slots compatible with PCIe 4.0 or 3.0 x4 SSDs, plus SATA 6Gb/s ports for traditional drives. Onboard connectivity features USB 3.2 Gen 1 ports and a Realtek Gigabit Ethernet (GbE) LAN controller for reliable networking. For customization and system tuning, the board offers RGB FUSION 2.0 with support for addressable LED and RGB LED strips, Smart Fan 5 for thermal control, and Q-Flash Plus for updating the BIOS without needing a CPU, memory, or graphics card installed.