AMD B550 Ultra Durable Motherboard with Pure Digital VRM Solution, PCIe 4.0 x16 Slot, Dual PCIe 4.0/3.0 M.2 Connectors, Realtek GbE LAN, Smart Fan 5 with FAN STOP, RGB FUSION 2.0, Q-Flash Plus - Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 Series Processors - Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs - 5+3 Phases Pure Digital VRM Solution with Low RDS(on) MOSFETs - Ultra Durable™ PCIe 4.0 Ready x16 Slot - Dual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Connectors - High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality - Realtek GbE LAN with Bandwidth Management - Rear HDMI & DVI Support - RGB FUSION 2.0 Supports Addressable LED & RGB LED Strips - Smart Fan 5 Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP - Q-Flash Plus Update BIOS without Installing the CPU, Memory, and Graphics Card - Anti-Sulfur Resistors Design