Mainboard|ASROCK|AMD B550|SAM4|ATX|2xPCI-Express 3.0 1x|1xPCI-Express 3.0 4x|2xM.2|1xPCI-Express 4.0 16x|Memory DDR4|Memory slots 4|1xHDMI|2xAudio-In|1xAudio-Out|6xUSB 3.2|1xPS/2|1xRJ45|B550PHANTOMGAMING4