Detailed specification of Pro WS X299 SAGE II Tech Specs，CPU: Intel® Socket 2066 Core™ X-Series Processors
Supports Intel® Virtual RAID on CPU (VROC)
* Refer to <a href="http://www.asus.com">www.asus.com</a> for CPU support list
* The Intel® Turbo Boost Technology 3.0 Support Depends on the CPU types.、Chipset: Intel® X299、Memory:<strong>Intel® Core™ X-series Processors (6-core above)</strong>
8 x DIMM, Max. 256GB, DDR4 4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3600(O.C.)/2933/2666/2400 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.、Multi-GPU Support:Supports NVIDIA® 4-Way SLI® Technology
Supports AMD 4-Way CrossFireX Technology 、Expansion Slots:7 x PCIe 3.0/2.0 x16 (single x16 or dual x16/x16 or triple x16/x16/x16 or quad x16/x16/x16/x16…

Intel LGA 3647 CEB workstation motherboard with support for 4 GPUs, 12 DIMMs, 10 SATAs, an M.2, Intel Gigabit LAN, USB 3.2 Gen 2 and ASUS Control Center