If you are shopping for the best 1440p 240hz oled monitor, the choice is wider than ever. This guide narrows it to 5 monitors worth a closer look, from solid value picks to premium models.

We compared 5 monitors from ASUS, Acer, INNOCN and GIGABYTE using the details on their Amazon listings. For more ideas, see our 27 inch gaming monitors and best gaming monitors for competitive play guides.

Where a detail such as HDMI 2.1 or USB-C is not clear on the listing, we say to check it before you buy. We do not list prices because they change often.

Top 3 Best 1440p 240Hz OLED Monitor at a Glance

Best 1440p 240Hz OLED Monitor in 2027

Here are all 5 monitors side by side, so you can compare size, resolution and refresh rate.

1. ASUS ROG Strix OLED XG27ACMES – Best Overall

ASUS ROG Strix OLED XG27ACMES pairs a 27-inch 1440p QHD screen with a 255Hz refresh rate and an OLED panel. Adaptive sync comes from G-Sync Compatible. The listing quotes a 0.03ms response time. Other features mentioned in the listing include HDR HDR support and USB-C connectivity.

OLED is the main reason to look at this one: each pixel lights itself, so blacks are truly black and motion looks clean at high refresh rates. We do not quote prices because they change daily, so use the Check Price button to see today’s Amazon price and whether it is currently discounted. OLED gives per-pixel contrast and very fast response, but static HUD elements can raise burn-in risk over time, so vary your content and use the screen-saver and pixel-refresh features.

It has few ratings at the moment, so treat it as a promising option rather than a proven favourite and read the latest reviews first.

Best for: players who want deep blacks and very fast response.

May not fit if: you leave static windows on screen for hours or play mostly in a bright room.

Check Price on Amazon

2. Acer Predator X27U – Runner-Up

Acer Predator X27U pairs a 26.5-inch 1440p QHD screen with a 240Hz refresh rate and a QD-OLED panel. Adaptive sync comes from G-Sync Compatible. The listing quotes a 0.03ms response time. Other features mentioned in the listing include built-in speakers and HDMI 2.1 inputs.

For competitive shooters, a refresh rate of 240Hz gives you a clear motion advantage if your PC can push matching frame rates. A 1440p resolution is the sweet spot for most gaming PCs, since many mid-range graphics cards can drive it at high frame rates. OLED gives per-pixel contrast and very fast response, but static HUD elements can raise burn-in risk over time, so vary your content and use the screen-saver and pixel-refresh features.

It holds a 4.4-star average from 174 Amazon ratings, which gives a useful picture of build quality and reliability.

Best for: players who want deep blacks and very fast response.

May not fit if: you leave static windows on screen for hours or play mostly in a bright room.

Check Price on Amazon

3. INNOCN 27″ QD-OLED – Also Great

On paper, the INNOCN 27″ QD-OLED is a 27-inch 1440p QHD monitor with a 280Hz refresh rate, using a QD-OLED panel. The listing quotes a 0.03ms response time. Other features mentioned in the listing include HDR400 HDR support and built-in speakers.

OLED is the main reason to look at this one: each pixel lights itself, so blacks are truly black and motion looks clean at high refresh rates. We do not quote prices because they change daily, so use the Check Price button to see today’s Amazon price and whether it is currently discounted. OLED gives per-pixel contrast and very fast response, but static HUD elements can raise burn-in risk over time, so vary your content and use the screen-saver and pixel-refresh features.

The listing has limited feedback so far, so read the newest customer reviews and check the return policy before you commit.

Best for: players who want deep blacks and very fast response.

May not fit if: you leave static windows on screen for hours or play mostly in a bright room.

Check Price on Amazon

4. GIGABYTE GO27Q24G OLED – Solid Choice

GIGABYTE GO27Q24G OLED pairs a 27-inch 1440p QHD screen with a 240Hz refresh rate and an OLED panel. Adaptive sync comes from G-Sync Compatible. The listing quotes a 0.03ms response time. Other features mentioned in the listing include USB-C connectivity.

OLED is the main reason to look at this one: each pixel lights itself, so blacks are truly black and motion looks clean at high refresh rates. We do not quote prices because they change daily, so use the Check Price button to see today’s Amazon price and whether it is currently discounted. OLED gives per-pixel contrast and very fast response, but static HUD elements can raise burn-in risk over time, so vary your content and use the screen-saver and pixel-refresh features.

Amazon owners rate it 4.4 out of 5 across 92 ratings, so there is plenty of real-world feedback to read before you buy.

Best for: players who want deep blacks and very fast response.

May not fit if: you leave static windows on screen for hours or play mostly in a bright room.

Check Price on Amazon

5. ASUS ROG Swift OLED PG27AQWP-W – Strong Option

On paper, the ASUS ROG Swift OLED PG27AQWP-W is a 27-inch 1440p QHD monitor with a 540Hz refresh rate, using an OLED panel.

OLED is the main reason to look at this one: each pixel lights itself, so blacks are truly black and motion looks clean at high refresh rates. We do not quote prices because they change daily, so use the Check Price button to see today’s Amazon price and whether it is currently discounted. OLED gives per-pixel contrast and very fast response, but static HUD elements can raise burn-in risk over time, so vary your content and use the screen-saver and pixel-refresh features.

Amazon owners rate it 4.1 out of 5 across 90 ratings, so there is plenty of real-world feedback to read before you buy.

Best for: players who want deep blacks and very fast response.

May not fit if: you leave static windows on screen for hours or play mostly in a bright room.

Check Price on Amazon

How to Choose the 1440p 240Hz OLED Monitor

Budget and value

A trusted brand and a solid review history matter more than a long spec list. Check the current listing for the latest offer, because prices change often.

Eye comfort

Look for flicker-free and low blue light features if you spend long hours in front of the screen. They are standard on many modern monitors.

Warranty and support

Check the warranty terms on the listing, and read recent reviews for notes on dead pixels, backlight bleed and support.

Resolution and size

Resolution decides how sharp text and games look at a given size. 1440p is a strong balance for most desks, 4K is sharper but needs a stronger graphics card, and 1080p is the cheapest option.

Refresh rate

A higher refresh rate makes motion and scrolling smoother. 144Hz is a good starting point for gaming, and 240Hz or more helps in fast shooters if your graphics card can keep up.

1440p 240Hz OLED Monitor FAQ

What is the best best 1440p 240hz oled monitor?

It depends on your budget and how you use it. Our top pick for most people is the ASUS ROG Strix OLED XG27ACMES, and the table above helps you compare the others.

Is 1440p or 4K better?

1440p is easier to run at high frame rates and looks sharp at 27 inches. 4K is sharper but needs a stronger graphics card.

Is IPS better than VA?

IPS usually has better colour and viewing angles, while VA has deeper contrast. Both can be good value.

Is OLED worth the extra cost?

If you value contrast, colour and response, yes. Use the built-in care features to reduce the risk of image retention.

Final Verdict

For most people, the ASUS ROG Strix OLED XG27ACMES is a strong place to start when looking for the best 1440p 240hz oled monitor. Compare size, resolution and refresh rate against how you use your screen, and check the listing for the latest details.

For more, see our monitor clearance deals guide and our 27 inch PC monitors picks.

Written and reviewed by Ethan Carter. Specs are checked against the manufacturer and Amazon listings. See our editorial policy and review methodology. Last reviewed: November 2026.