Mainboard|GIGABYTE|AMD B550|SAM4|ATX|Memory DDR4|Memory slots 4|2xPCI-Express 3.0 1x|1xPCI-Express 3.0 2x|1xPCI-Express 4.0 16x|2xM.2|1xHDMI|1xDisplayPort|2xAudio-In|3xAudio-Out|2xUSB 2.0|5xUSB 3.2|1xOptical S/PDIF|1xRJ45|2xRF-Out|B550AORUSELITEAXV2