ASUS WS X299 SAGE CEB Workstation Motherboard - Socket LGA 2066 - Intel X299 Chipset - Supports DDR4-4200(OC) - 7x PCIe 3.0 x16 - 4-Way SLI/CrossFire Ready - 1x M.2 Socket3 - 2x U.2 Ports - USB 3.1 Gen2 Type-A/C - Dual Intel LAN (WS X299 SAGE)