B550M DS3H UD series motherboards use a 5+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. With NVMe PCIe 4.0*/3.0 x4 and PCIe 3.0 x2 M.2 connectors on-board, GIGABYTE Motherboards bring users to experience NVMe mode or SATA mode connectivity for M.2 SSD devices. Exclusive Realtek 8118 Gaming LAN.HDMI 2.1, which is backwards compatible with HDMI 2.0/ 1.4 and offering 48 Gb/s of bandwidth – twice times more than previous generation.