Dell S2421H
The Dell S2421H is a decent monitor for gaming. It has superb low input lag, meaning you can respond quickly to the action on-screen. It also has a good response time, but there's some noticeable blur behind fast-moving objects. It supports FreeSync variable refresh rate technology, which helps reduce screen tearing. Unfortunately, the relatively small screen doesn't deliver a very immersive gaming experience, and the response time at 60Hz is just okay.
-- As reviewed by Rtings
          
          Product details
PROS
+ Superb low input lag.
        
        + FreeSync support.
        
        + Good response time at the max refresh rate.
        
      CONS
- Terrible ergonomics.
        
        - Mediocre contrast ratio.
        
        - Small, low-resolution screen.
        
        - No DisplayPort input.
        
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Expert reviews and ratings
By Rtings on December 03, 2021
              The Dell S2421H is a decent monitor for gaming. It has superb low input lag, meaning you can respond quickly to the action on-screen. It also has a good response time, but there's some noticeable blur behind fast-moving objects. It supports FreeSync variable refresh rate technology, which helps reduce screen tearing. Unfortunately, the relatively small screen doesn't deliver a very immersive gaming experience, and the response time at 60Hz is just okay.
            
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