AMD B550 AORUS Motherboard with True 12+2 Phases Digital VRM, Fins-Array Heatsink, Direct-Touch Heatpipe, Dual PCIe 4.0/3.0 x4 M.2 with Thermal Guards, Intel® 802.11ac Wireless, 2.5GbE LAN, 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 True 12+2 Phases Digital VRM Solution with 50A DrMOS Advanced Thermal Design with Fins-Array Heatsink and Direct Touch Heatpipe Ultra Durable™ PCIe 4.0 Ready x16 Slot Dual Ultra-Fast NVMe PCIe 4.0/3.0 x4 M.2 with Thermal Guards Onboard Intel® Dual Band 802.11ac & BT 4.2 Wireless with AORUS Antenna AMP-UP Audio with ALC1220-VB and WIMA Capacitors for Rear 120dB SNR Blazing Fast 2.5GbE LAN with Bandwidth Management USB 3.2 Gen2 Type-C™ & HDMI 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 Pre-installed IO Shield for Easy and Quick Installation GARANTIA: 12 MESES - SKU:B550-AORUS-PRO-AC-NB