UltraGear 34GX900A-B

The LG UltraGear 34GX900A-B delivers immersive ultrawide OLED gaming with 240Hz speed and deep contrast, but carries burn-in risk, modest HDR brightness, and a steep price.

Summed up from 6 published reviews

PriceToday's price on AmazonView on Amazon

Affiliate link · we may earn a commission

What reviewers like

240Hz refresh with 0.03ms response 1 2 4 5
Deep OLED contrast and true blacks 1 2 4 5
Wide connectivity including HDMI 2.1, DP 1.4, USB-C 2 4 6
Immersive 34-inch 21:9 800R curved display 1 2 4 6
FreeSync Premium Pro and G-SYNC compatible 2 5 6

What they don't

OLED burn-in risk with static content 1 2 5 6
Modest peak brightness around 275 nits limits HDR 1 5 6
Premium price compared to LCD alternatives 1 2 5 6
Aggressive 800R curve poorly suited for productivity 2 6

Best for

Competitive gamers seeking fast ultrawide OLED immersion.

Skip it if

Avoid if prioritizing productivity, static content, or peak HDR brightness.

Where it fits

use: Fast gamesGamingWorkPhoto and video
size: Ultrawide
resolution: 1440p
panel: OLED
must-haves: USB-CCurvedHDMI 2.1

Specs

Size: 34″
Resolution: 1440p
Refresh rate: 240 Hz
Panel: OLED
Curved: Yes
USB-C: Yes, charges at 65W
HDMI 2.1: Yes
Height-adjustable stand: No
Speakers: No

Also worth a look

Questions

Is the LG UltraGear 34GX900A-B worth it?

The LG UltraGear 34GX900A-B delivers immersive ultrawide OLED gaming with 240Hz speed and deep contrast, but carries burn-in risk, modest HDR brightness, and a steep price.

What do reviewers like about the LG UltraGear 34GX900A-B?

240Hz refresh with 0.03ms response. Deep OLED contrast and true blacks. Wide connectivity including HDMI 2.1, DP 1.4, USB-C. Immersive 34-inch 21:9 800R curved display. FreeSync Premium Pro and G-SYNC compatible.

What are the downsides of the LG UltraGear 34GX900A-B?

OLED burn-in risk with static content. Modest peak brightness around 275 nits limits HDR. Premium price compared to LCD alternatives. Aggressive 800R curve poorly suited for productivity.

Who should buy the LG UltraGear 34GX900A-B?

Competitive gamers seeking fast ultrawide OLED immersion. Skip it if avoid if prioritizing productivity, static content, or peak HDR brightness.

Sources

We don't test products ourselves. This page sums up 6 published reviews, read on October 24, 2026; each point above links to the reviews that make it.