Hmm, 6 buttons and 6 switches. Weird that they keep Sata when there is Slim Sas. So this can hold 5 M.2 on board (3 G5 & 2 G4) + another 2 with the Dimm.2 slot?
OK so throw in a 9950X3D, 4 sticks of 64GB Ram, 3 x 4TB Samsung 9100s, 4 x 4TB Samsung 990 Pros, and a couple of Nvidia Workstation cards and you'd have a reasonable competitor to a Threadripper HEDT build - RAID 0 for the 9100s and RAID 01 for the 990s. Can hang a couple of backup drives from the Slim Sas.