nDisplay Configuration File Reference for Unreal Engine

Unreal Engine 5.4 Documentation

Epic Developer

In the nDisplay 3D Config Editor, select the viewport and in its Details panel set the GPUIndex. Four monitors connected to one GPU 38 44 fps Two monitors connected to two each GPUs.

I noticed that in 4.25 the release notes state the following: You can now assign each nDisplay cluster. You must have the following set up to complete the steps below: An NVIDIA Quadro Sync II card. NDisplay config is one cluster node with two viewports One viewports GPU index is set to 0 and. A GPU on the primary nDisplay PC gets a master clock from an output display or processor connected to it then.