Mainboard, BIOSTAR, AMD B450, SAM4, MicroATX, Memory DDR4, Memory slots 2, 2xPCI-Express 2.0 1x, 1xPCI-Express 3.0 16x, 1xM.2, 1x15pin D-sub, 1xHDMI, 2xUSB 2.0, 4xUSB 3.2, 1xPS/2, 1xRJ45, 3xAudio port, B450MH