AMD B450 , SAM4 , Micro-ATX , DDR4 , 4333/4266/4200/4133/4066/4000/3600/3200/2933/2400/2133/1866 MHz , Memory slots 4 , 1xPCI-Express 2.0 1x , 1xPCI-Express 2.0 16x , 1xPCI-Express 3.0 16x , 1xM.2 , 1xHDMI , 2xUSB 2.0 , 4xUSB 3.2 , 1xPS/2 , 1xRJ45 , 3xAudio port , USB 2.0 , USB 3.2 , Serial , SATA 3.0 , Video Depending on CPU , Audio Realtek ALC887 , LAN Gigabit