Mainboard, ASUS, Intel B660, LGA1700, Micro-ATX, Memory DDR4, Memory slots 4, 1xPCI-Express 3.0 1x, 1xPCI-Express 3.0 4x, 1xPCI-Express 4.0 16x, 2xM.2, 2xHDMI, 1xDisplayPort, 2xAudio-In, 1xAudio-Out, 4xUSB 2.0, 2xUSB 3.2, 1xPS/2, 1xRJ45, PRIMEB660M-AD4