Gigabyte C621 AORUS XTREME (rev. 1.0)

Intel C621 motherboard with LGA 3647 Socket P, 6-Channel DDR4, 32-Phases 1600A IR Digital VRM, 7 Full Length PCIe 3.0 slots with Dual Armor, Dual Intel GbE, Dual SATA DOM, Vertical USB 3.0, U.2, ALC1220-VB2

Supports W-3175X Processor @ All Cores 5GHz+ (Overclocking)
6-Channel Non-ECC Unbuffered DDR4, 12 UDIMMs
32-Phases 1600A IR All Digital VRM Solution with PowIRstage
7-slots Multi-Way Graphics Support with PCIe Armor and Ultra Durable™ Design
Dual Intel i210AT + i219LM GbE with high ESD Protection
Ultra-Fast U.2 with PCIe Gen3 x4 interface
Supports 2 SATA Disk on Modules for Storage Expansion
Immersive Gaming ViBes with ALC1220-VB and WIMA audio capacitors
Lightning-Fast Intel® Thunderbolt™ 3 AIC Support