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4x RTX 3090 in a 4U rack case (AM5)

⚠ Source not independently checked. This build comes from a Reddit post we could not fetch to re-verify the numbers. Treat as reported, not confirmed.
GPU(s)4x Dell OEM RTX 3090
Amazon · eBay (used) · Newegg
VRAM / unified memory (GB)96
CPUAMD Ryzen 9 7850X3D
Amazon · eBay (used) · Newegg
MotherboardAsus ProArt X670E-Creator WiFi
Amazon · eBay (used) · Newegg
RAM128 GB DDR5 4800
Amazon · eBay (used) · Newegg
PSUCorsair HX1500i + Corsair RM850e
Amazon · eBay (used) · Newegg
OtherInter-Tech 4W40 case, c-payne SlimSAS PCIe gen4 adapters, risers
Reported total cost€5,835 (≈$6,540)
Power

Measured speed (generation tokens/sec)

ModelQuantEnginetok/s
No speed measurement in source yet. Own this rig? Submit numbers.

Source: https://www.reddit.com/r/LocalLLaMA/comments/1in69s3/4x3090_in_a_4u_case_dont_recommend_it/

Blank fields = not stated in the source. We never estimate build data; GPU street prices above are separately sourced and dated.

Rent before you buy: try this model on a cloud GPU for a few dollars first: RunPod