ASROCK Main Board Desktop B550 PRO4 (AM4, B550, 4xDDR4, 1xPCIe 4.0x16, 1xPCIe 3.0x16, 2xPCIe 3.0x1,6xSATA,1x M.2 Gen4 x4, 1xM.2,
ASROCK Main Board Desktop B550 PRO4 (AM4, B550, 4xDDR4, 1xPCIe 4.0x16, 1xPCIe 3.0x16, 2xPCIe 3.0x1,6xSATA,1x M.2 Gen4 x4, 1xM.2, 2xUSB3.2 Gen2, 6xUSB3.2 Gen1, HDMI, D-SUB, GLAN, ATX, Retail)