https://www.techradar.com/news/acer-announces-nitro-vg0-and-rg0-gaming-monitors

At Acer’s global event it announced a range of new IPS monitors with AMD FreeSync technology and response times as fast as 1ms, which offers incredibly smooth gaming performance.

First up there is the Acer Nitro VG0 series, which will be available in 27-inch, 23.8-inch and 21.5-inch sizes, and will support 4K UHD (3,840 x 2,160 pixels), WQHD (2,560 × 1,440) and full HD (1,920 x 1,080) resolutions, respectively.