Asus' new 5K gaming monitor is so high-end it doesn't even officially support RTX 40-series GPUs — the XG27JCG is a 5K 180Hz beast with 330Hz 1440p dual-mode support

https://www.tomshardware.com/monitors/gaming-monitors/asus-new-5k-gaming-monitor-is-so-high-end-it-doesnt-even-officially-support-rtx-40-series-gpus-the-xg27jcg-is-a-5k-180hz-beast-with-330hz-1440p-dual-mode-support