Hello,
I'm building a system based around the i9-10980XE. I've narrowed the motherboard down to the following two:
GIGABYTE X299X AORUS MASTER
vs
ASUS Pro WS X299 SAGE II
Additional Specs:
256 GB RAM
2 x 3090 cards (note each motherboard will allow 1 PCIe space in between the two cards...