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Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors Supports DDR4 Memory, up to 4400(OC) MHz Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr Premium Thermal Solution: 7W/mK pad, additional choke thermal pad and M.2 Shield Frozr are built for high performance system and non-stop works Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost Audio Boost: Reward your ears with studio grade sound quality Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.

AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB lighting support AMD AM4 Socket: Ready for Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+ utility Ultrafast Connectivity: Dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A support Aura Sync RGB Lighting: Onboard addressable Gen 2 header and RGB headers for RGB LED strips, easily synced with Aura Sync-capable hardware

AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ processors Comprehensive cooling: PCH heatsink and Fan Xpert 2+ Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A 5X Protection III: Multiple hardware safeguards for all-around system protection

AMD B550 Ultra Durable Motherboard with Digital VRM Solution, PCIe 4.0 x16 Slot, Dual PCIe 4.0/3.0 M.2 Connectors, Dual Band 802.11ac WIFI, Realtek GbE LAN, Smart Fan 5 with FAN STOP 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 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 Onboard Dual Band 802.11ac Wireless & BT Support with WIFI Antenna High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality Realtek GbE LAN with Bandwidth Management Rear DisplayPort, HDMI & DVI for Multi-display Support Smart Fan 5 Features Multiple Temperature Sensors , Hybrid Fan Headers with FAN STOP Anti-Sulfur Resistors Design

AMD B550 Ultra Durable Motherboard with 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 Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 and Ryzen™ 3000 G-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 DisplayPort, HDMI & DVI Support Smart Fan 5 Features Multiple Temperature Sensors , Hybrid Fan Headers with FAN STOP Anti-Sulfur Resistors Design