We’ve been hearing about 4K G-SYNC HDR monitors with 144Hz panels ever since CES 2017. At the time, both ASUS and Acer announced monitors that adhered to NVIDIA’s announced specs. 2017 came to a close and CES 2018 came and went with no sign of these mythical G-SYNC HDR monitors.
However, NVIDIA is now saying that the time has come to unleash

Source: Hot Hardware – NVIDIA G-SYNC 4K 144Hz HDR Monitors Shipping Later This Month From ASUS And Acer