Is 280Hz worth it over a 240Hz OLED?

The extra 40Hz is a small step, most noticeable in fast FPS games where tracking is constant. If you already own a 240Hz OLED, the jump is modest; coming from 144Hz or 165Hz it is a clear upgrade.

Does QD-OLED burn in?

OLED pixels dim with static content over long periods, so persistent HUDs, taskbars and desktop icons can leave marks. Vary content, use screensavers and the panel's built-in OLED care features to limit the risk.

Is 1440p sharp enough on a 27-inch screen?

At 2560×1440 on 27 inches, pixel density is about 109 PPI, which looks crisp for games and everyday use. It is less fine than 4K at the same size, so text and fine detail are softer.

Does it work with an Nvidia graphics card?

FreeSync Premium Pro is AMD's adaptive sync branding, but the monitor also lists OLED VRR. Many FreeSync monitors run variable refresh on recent Nvidia cards, though Nvidia does not certify it as G-Sync Compatible here.

What is the Tactical Switch 2.0 for?

It is a physical button that changes resolution and settings quickly, useful for switching between a native 1440p mode and a stretched or lower-resolution mode in shooters without digging through menus.

What HDR does it support?

It carries VESA DisplayHDR True Black 400, which targets deep blacks rather than very high full-screen brightness. Peak brightness reaches up to 1000 nits in small highlights in its Peak 1000 mode.