Supermicro LGA2011, Intel X99, DDR4, SATA3 & USB3.0, A & 2GbE, ATX Server Motherboard C7X99-OCE-F-O Single socket R3 (LGA 2011) supports Intel 4th gen. Core i7 series, Xeon processor E5-2600 v4 / v3, E5-1600 v3 Up to 64GB non-ECC UDIMM DDR4, frequency up to 3300MHz (OC); 8x DIMM slots Intel X99 chipset Form Factor: ATX Audio: RealTek ALC1150 7.1-Channel High Definition Audio CODEC