The relatively inexpensive MSI Optix G27C4 has been replaced by a new model, albeit one that is arguably a downgrade. The Optix G27C5 is still a curved, 27-inch, 165 Hz and 1,080p monitor that has decent colour reproduction for a reasonable price.
https://www.notebookcheck.net/MSI-Optix-G27C5-The-most-pointless-update-of-2020.464221.0.html