Over the past few days, it was noticed that NVIDIA has made some changes to its marketing materials about what qualifies as a G-SYNC Ultimate display. It was previously assumed, based on the company’s own wording, that a display needed a dedicated NVIDIA hardware module, HDR support, and a brightness rating of 1,000 nits (among other requirements
Source: Hot Hardware – NVIDIA Explains Why G-Sync Ultimate Displays Now Won’t Need To Hit 1000 Nits