AMD B550 Ultra Durable Motherboard with Digital VRM Solution, PCIe 4.0 x16 Slot, Dual PCIe 4.0/3.0 M.2 Connectors, GbE LAN, Smart Fan 5 with FAN STOP_x000D_ _x000D_ Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 Series Processors_x000D_ Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs_x000D_ Ultra Durable™ PCIe 4.0 Ready x16 Slot_x000D_ Dual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Connectors_x000D_ High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality_x000D_ GbE LAN with Bandwidth Management_x000D_ Rear DisplayPort and HDMI for Multi-display Support_x000D_ Smart Fan 5 Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP_x000D_ Anti-Sulfur Resistors Design