Mainboard | ASUS | Intel X299 Express | LGA2066 | ATX | 2xM.2 | Memory DDR4 | Memory slots 8 | 2xUSB 2.0 | 4xUSB 3.1 | 2xUSB type C | 1xOptical S/PDIF | 1xRJ45 | 5xAudio port | PRIMEX299-A