Mainboard|ASROCK|AMD B450|SAM4|Micro-ATX|Memory DDR4|Memory slots 4|1xPCI-Express 2.0 1x|1xPCI-Express 2.0 16x|1xPCI-Express 3.0 16x|2xM.2|1x15pin D-sub|1xDVI-D|1xHDMI|2xAudio-In|1xAudio-Out|2xUSB 2.0|5xUSB 3.2|1xUSB-C|1xPS/2|1xRJ45|B450MPRO4R2.0