Mainboard|ASUS|AMD B550|SAM4|MicroATX|2xPCI-Express 3.0 1x|2xM.2|1xPCI-Express 4.0 16x|Memory DDR4|Memory slots 4|1x15pin D-sub|1xDVI|1xHDMI|6xUSB 3.2|1xPS/2|1xRJ45|3xAudio port|PRIMEB550M-K