B550MX/ E PRO, Socket AM4, AMD B550, 2xDDR4-2933, D-SUB+DVI-D+HDMI, 2xPCI-Ex16, 1xPCI-Ex1, 4xSATA3(RAID 0/ 1/ 10), 2xM.2, 8 Ch Audio, GLan, WiFi, (2+4)xUSB2.0, (4+2)xUSB3.2, 1xPS/ 2, mATX, RTL, {20} (685130) (B550MX/E PRO)