Intel LGA 2066 CEB motherboard with quad-strength graphics supports, DDR4 4133MHz, dual M.2 & U.2, USB 3.1 Gen 2 connectors, and ASUS Control Center 4-Way PCI-E Gen3 x16 link supporting NVidia GeForce SLI® and AMD CrossFireX™ on demand. Ultra-efficient VRM heatsink : Metal fin array connected to large surface area via a heatpipe tames X299 thermals to enable unthrottled performance. 5-Way Optimization : One-click, system-wide tuning, delivers optimized overclocking and intelligent cooling for a diverse range of workloads. Industry-leading cooling options : Comprehensive controls for fans and water pumps, via Fan Xpert 4 software or the acclaimed ASUS UEFI ASUS Control Center : A software utility that provides convenient, secure and cost-saving centralized IT management for small and medium businesses. Next-gen transfer speeds : Up to 32Gbps dual M.2 and U.2, plus up to 10Gbps USB 3.1 Gen 2 Type-A and Type-C front connector CPU Intel® Socket 2066 Core™ X-Series Processors * The Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types * Refer to www.asus.com for CPU support list Chipset Intel® X299 Memory Intel® Core™ X-series Processors (6-core above) 8 x DIMM, Max. 128GB, DDR4 4200(O.C.)/4133(O.C.)/4000(O.C.)/3600(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory Intel® Core™ X-series Processors (4-core) 4 x DIMM, Max. 64GB, DDR4 4200(O.C.)/4133(O.C.)/4000(O.C.)/3600(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory Supports Intel® Extreme Memory Profile (XMP) * Hyper DIMM support is subject to the physical characteristics of individual CPUs. * Actual memory frequency differs from Intel CPU types and memory module. Please check Intel official site for more detail about the memory types supported by each CPU.