Biostar Mainboard|BIOSTAR|AMD B550|SAM4|Micro-ATX|Memory DDR4|2xPCI-Express 3.0 1x|1xPCI-Express 3.0 16x|1xM.2|1x15pin D-sub|1xHDMI|1xAudio-In|1xAudio-Out|1xMicrophone|2xUSB 2.0|4xUSB 3.2|2xPS/2|1xRJ45|B550MH3.0