Multiple gpus are even supported just not outputs hooked up to both GPUs as a single X screen. https://wiki.archlinux.org/index.php/NVIDIA/Tips_and_tricks#Enab

Multiple gpus are even supported just not outputs hooked up to both GPUs as a single X screen. https://wiki.archlinux.org/index.php/NVIDIA/Tips_and_tricks#Enabling_SLI https://wiki.archlinux.org/index.php/NVIDIA/Tips_and_tricks#...