Mainboard|BIOSTAR|AMD B550|SAM4|Micro-ATX|Memory DDR4|Memory slots 2|2xPCI-Express 3.0 1x|1xPCI-Express 3.0 16x|1xPCI-Express 4.0 16x|1xM.2|1x15pin D-sub|1xHDMI|8xUSB 2.0|4xUSB 3.2|1xPS/2|1xRJ45|3xAudio port|B550MHP