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Threadripper 1950X Max number of GPUs

Question asked by proper on May 30, 2018
Latest reply on Aug 23, 2020 by pbfarmer

I purchase Threadripper with hopes that I will be able to use its massive computing power to run docker driven AI applications with each docker having its own GPU.

My plan was to run 10 or more GPUs at 1x using PCIe splitter. Unfortunately, any X399 motherboard I tried does not run more than 4 in a stable manner.

I test with following motherboards, all had the same issue, when 5th GPU is added they do not post.





Just to clarify all hardware(PSUs, GPUs, splitters, ram) has been tested outside of this build and I am able to use all 10 gpus on another machine


Is there a limit on X399 platform as to a number of GPUs? Can it be reconfigured?