MSI X299 Desktop Motherboard - Intel Chipset - Socket R4 LGA-2066 - Intel Optane Memory Ready - ATX - 256 GB DDR4 SDRAM Maximum RAM - UDIMM, DIMM - 8 x Memory Slots - Gigabit Ethernet - 6 x SATA Interfaces

Twin Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs. Supports Intel Core X-series Processors 10000/9000/78xx(above)series for LGA2066 Socket Supports DDR4 Memory, 8 DIMMs, Quad Channel Max Frequency DDR4-4200+(OC)