Quick overview from the supplier:
MSI PRO B660M BAZOOKA DDR4, Socket 1700, Intel® B660 (12th Gen CPU), CPU graphics, HDMI, DP, Dual 4xDDR4-4800, 2xPCIe X16 4.0, 4xSATA3, RAID, 2xM.2 4.0, 1xPCIe X1, ALC897 HDA 7.1, 1x2.5GbE LAN, 2xUSB3.2Gen2, 5xUSB3.2(4A+1C), RGB Mystic Light, mATX