G -Sync, Nvidia's proprietary frame-smoothing technology, is possibly one of the most exciting game developments in the last five years. Being a hardware solution – as opposed to AMD's similar, but software-based, FreeSync – it does add a bit to the price of a monitor, but when you combine that with...

It's hella nice. Colours are good (expected from an IPS panel), no abnormal backlight bleed (bear in mind all IPS panels have a small amount of intrinsic "glow", it's just the nature of the technology).

Great monitor considering the price. Responsive. Coming from 60hz/fps this is a great upgrade. However have just had to return it as a green line has appeared, which is a shame. Should be getting a replacement.

"Really enjoying this monitor so far. 144Hz with GSync is amazing and the picture quality is great too. It has some IPS glow but I've never had an IPS panel that didn't have that to some extent and it's not really noticeable in use.

Bought it to play games with RTX gpu - amazing experience!!

The Acer Predator XB271HU is an impressive gaming monitor equipped with a 27" 1440p IPS panel that can be overclocked from its native 144 Hz to 165 Hz. Absolute smoothness of in-game action is ensured by the built-in G-Sync module, and its ultra-thin screen bezels make it as immersive as they are...

Very good performance.

The Acer Predator XB271HU is one of a new breed of gaming monitors that not only features the high refresh rate you expect of a gaming display but has the great image quality you'd associate with an IPS panel too.

Superb overall image quality; G-Sync eliminates tearing and stutter; 165Hz IPS panel is fantastic for gaming; Good design and build quality

Expensive; Only two inputs; Speakers are weak

Superb overall image quality; G-Sync eliminates tearing and stutter; 165Hz IPS panel is fantastic for gaming; Good design and build quality;

Expensive; Only two inputs; Speakers are weak;

The Acer Predator XB271HU ($799.99) not only looks identical to its sibling, the Predator XB271HK , but it also delivers outstanding gaming performance and is equipped with many of the same features, including a fully adjustable stand, gamer presets, and Nvdia's G-Sync technology.

Nvidia G-Sync anti-tearing technology; Very good gaming and gray-scale performance; Fast refresh rate; Stylish design

Expensive; Middling color accuracy; Weak speakers; Only two video inputs