I have two NVIDIA GPUs in my main machine, and last year i set up a box with three GPUs, all NVIDIA, for a multiseat config. The box worked just fine both in mu

I have two NVIDIA GPUs in my main machine, and last year i set up a box with three GPUs, all NVIDIA, for a multiseat config. The box worked just fine both in multihead as in multiseat. NVIDIA can be a pain, but most of the wrinkles are ironed out, unless you have very old (or very new) cards