ASUS Prime Z270-A LGA1151 Motherboard - Intel Socket 1151 for 7th / 6th Generation Core i7/Core i5/Core i3/Pentium/Celeron Processors, Memory Socket: 4 x DDR4(Dual channel), Max Memory: 64GB, Connectivity: 1 x DisplayPort, 1 x HDMI, 1 x DVI, Graphics Slot: 2 x PCIe 3.0/2.0 x16 (1x16 or dual x8), 1 x PCIe 2.0 x16 (max. x4), 2-Way SLI@ x 8/x 8, 3-Way CFX@ x8/x8/x4, 6 x SATA 6Gb/s (RAID 0, 1, 5, 10), S/PDIF Back I/O: Optical out, Gigabit Intel PHY Ethernet, 4 x PCIe x1, 6 x USB 3.1 GEN 1 (USB 3.0), 6 x USB 2.0, 1 x COM, Form Factor: ATX, 3-Year Carry-in Warranty