AMD B550 AORUS Motherboard with 12+2 Phases Digital Twin Power Design, Enlarged Surface Heatsinks, Dual PCIe 4.0/3.0 x4 M.2 with Dual Thermal Guards, WiFi 6E 802.11ax, 2.5GbE LAN, Front USB Type-C™, RGB FUSION 2.0, Q-Flash Plus Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series/ Ryzen™ 3000 and Ryzen™ 3000 G-Series Processors Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs 12+2 Phases Digital Twin Power Design with 50A DrMOS Advanced Thermal Design with Enlarged Surface Heatsinks Ultra Durable™ PCIe 4.0 x16 Slot Dual Ultra-Fast NVMe PCIe 4.0/3.0 x4 M.2 with Dual Thermal Guards Onboard WiFi 6E 802.11ax & BT 5.2 High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality Blazing Fast 2.5GbE LAN with Bandwidth Management Front USB 3.2 Gen1 Type-C™ and DisplayPort & HDMI for Multiple Display 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 Pre-installed IO Shield for Easy and Quick Installation