Mainboard|GIGABYTE|AMD B550|SAM4|ATX|Memory DDR4|Memory slots 4|3xPCI-Express 3.0 1x|1xPCI-Express 3.0 2x|1xPCI-Express 4.0 16x|2xM.2|1xDVI-D|1xHDMI|2xAudio-In|1xAudio-Out|2xUSB 2.0|4xUSB 3.2|1xPS/2|1xRJ45|B550GAMINGXV21.3