Supports 3rd Gen AMD Ryzen Processors Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs 10+3 Phases Pure Digital VRM Solution with Low RDS(on) MOSFETs Ultra Durable PCIe 4.0 Ready x16 Slot Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Slots GIGABYTE Exclusive 8118 Gaming LAN with Bandwidth Management HDMI, DVI-D Ports for Multiple Display Features High Quality Audio Capacitors RGB FUSION 2.0 support 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 10+3 Phases Pure Digital VRM Solution with Low RDS(on) MOSFETs B550 motherboard use a 10+3 phases pure digital PWM + Low RDS(on) MOSFETs design to support the 3rd Gen AMD Ryzen CPUs by offering incredible precision in delivering power to the motherboard's most power-hungry and energy-sensitive components as well as delivering enhanced system performance and ultimate hardware scalability. Dual NVMe PCIe 4.0*/3.0 M.2 Connectors With NVMe PCIe 4.0*/3.0 x4 and PCIe 3.0 x4 M.2 connectors onboard, GIGABYTE Motherboards bring users to experience NVMe mode or SATA mode connectivity for M.2 SSD devices. Delivering up to 64 Gb/s data transfer speed, the dual M.2 connectors design provides an ideal storage solution while also supporting in RAID modes. *Actual support may vary by CPU. Exclusive Realtek 8118 Gaming LAN High Speed Gigabit LAN with Automatic Bandwidth Allocation Realtek 8118 LAN is a high performance and friendly network chip for gaming players with automatic bandwidth allocation to ensure the highest network priority of the game or application. It can provide users the most comprehensive features and the fastest and smoothest Internet experience. HDMI 2.1 for 4K / 60P / 21:9 / HDCP 2.3 Support HDMI 2.1, which is backwards compatible with HDMI 2.0/ 1.4 and offering 48 Gb/s of bandwidth