Samsung has released numerous firmware updates (via USB thumb drive) since the monitor was released and the Freesync range is now 72-144hz enabling LFC. -It only has 8 edge lit dimming zones (4 per side) which can result in blooming but IMO is still an improvement vs no local dimming.
https://www.amazon.com/Samsung-C27HG70-27-Inch-Monitor-C27HG70QQN/dp/B06XSQ5QN8