This is the cheapest way into smooth gaming on a bigger screen. It refreshes 144 times per second, which is more than twice what a regular monitor does — enough to make fast games feel responsive without costing what the high-end models do. Pixels switch fast so you won't see blur trails when things move quickly.
The tradeoff is resolution. At 27 inches, 1080p means you can see individual pixels if you sit close, and text looks a bit softer than you're used to from a laptop or phone. Fine for gaming where you're focused on the action, less ideal if you're also reading documents or coding all day. Colors are decent — IPS panels show natural tones without the washed-out look cheaper screens have.
The HDR label here doesn't mean much. Treat it as a regular bright display and you'll be happy with what you paid.