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I am in the process of building a workstation for photogrammetry and 3D Modeling.

My day to day work, involves going out to field and scanning environments using drone enabled 3D scanners or 360 video cameras.

Then proccesing that data on a computer, doing data cleanup and often replace badly scanned or unwanted objects in scenes using 3D modelled assets.

  • No video games.
  • No hard drives. (I use cloud storage)

I am stuck on the motherboard part. I need it to have 3x NVMe connectors (latest gen), support 256GB of RAM and have enough PCie and physical space for x2 RTX 3090.

I've been looking these past two days. and every motherboard just falls short of one or the other requirement. Price is not an issue but it must on the martket (not coming out soon) Any help would be appreciated.

Part Name
CPU 5950x
GPU x1 RTX 3090
GPU x2 RTX 3090
RAM (256 GB) Corsair Vengeance RGB RT 256GB (8x32GB) DDR4 3600MHz C18
SSDx1 SAMSUNG 980 PRO SSD 2TB PCIe NVMe Gen 4
SSDx2 SAMSUNG 980 PRO SSD 2TB PCIe NVMe Gen 4
SSDx3 SAMSUNG 980 PRO SSD 2TB PCIe NVMe Gen 4
PSU Seasonic PRIME TX 1600
Water Coolor ARCTIC Liquid Freezer II 360
Fans
Motherboard
Case
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    No motherboard that I know of supports both AM4 and 8 sticks of RAM. I prefer the way @Yuri goes, try Threadripper
    – Irsu85
    Commented Sep 3, 2022 at 8:40
  • list of mobo with 256gb ram : pangoly.com/en/hardware/motherboard/maximum-supported-ram/…
    – ron
    Commented Sep 7, 2022 at 14:05
  • like was said the AM4 socket... X570... is only going to have 4 dimm slots supporting 32gb dimms. You would need to go to sTRX4 on the AMD side or go Intel, or scale back to 128gb ram on AM4.
    – ron
    Commented Sep 7, 2022 at 14:14

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Since price is not issue - better aim for Threadripper, not Ryzen9. More cores, more memory bandwidth, MUCH more PCIE channels.

https://www.amd.com/en/chipsets/str40 motherboards - some with 3-4 pcie4 nvme slots already

https://www.amazon.com/ASUS-M-2-X16-Expansion-Card/dp/B084HMHGSP card - if need extra pcie 4.0 nvme slots

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BaseBoard Product WS X299 PRO

will support what you are looking for- i have it with 256gb and 2x 3090ti. It works a charm

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  • Hi Ted, can you provide some more justification on why you'd recommend picking X299—a relatively old platform—over something newer, like Threadripper TRX50 or Xeon W680?
    – JMY1000 ♦
    Commented Jan 20 at 18:44

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