Mainboard|GIGABYTE|AMD B550|SAM4|Micro-ATX|Memory DDR4|Memory slots 4|1xPCI-Express 3.0 1x|1xPCI-Express 3.0 4x|1xPCI-Express 4.0 16x|2xM.2|1xDVI-D|1xHDMI|1xDisplayPort|4xUSB 2.0|4xUSB 3.2|1xPS/2|1xRJ45|3xAudio port|B550MDS3HAC1.5|B550MDS3HAC1.5