Asrock, Soc-AM4, B550 Extreme4; B550, 4xDDR-4, 2xPCI-E 16x 4.0, 2xPCI-E 1x 2.0, 2xM Key SATA/PCI-E, 8-ch HDA Realtek ALC1200, Dragon RTL8125BG 2500 Мбит/сек, 1xPS/2, 1xUSB 3.2 Gen2 Type-C, 1xUSB 3.2 Gen2, 2xUSB 3.2 Gen1, 4xUSB 2.0, 1xHDMI, RJ-45, Line-out