10 Best 240hz Gaming Monitor 27 Inch 1440p Oled in The UK

Last updated on 25/08/2025

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KOORUI S2721XO 27 Inch Gaming Monitor, 240Hz, QD-OLED, QHD 1440P, 0.03ms, HDR 400, Adaptive Sync, Lifting Adjustable, VESA Mountable, HDMI/DP, Low Blue Light, 99% SRGB

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Why We Love It

Stunning visuals with deep blacks.
Ultra-fast performance for gaming.
Flexible ergonomic design for comfort.

Main Highlights

QD-OLED for Stunning Visuals：OLED panel delivers deep blacks, vivid colors, and exceptional contrast for a truly immersive viewing experience
240Hz Refresh Rate + 0.03ms Response：Ultra-high refresh rate and lightning-fast response time reduce blur and ghosting, ideal for fast-paced competitive gaming
QHD + HDR400 Certified：2560×1440 resolution combined with VESA DisplayHDR 400 provides sharp detail, brighter highlights, and richer colors for an enhanced visual experience
Ergonomic Design：Enjoy a customized viewing experience with rotated ±90°, lifted ±110mm and left/right adjustment ±20°. Compatible with VESA 100×100mm mounting for flexible setup options
Adaptive Sync：Minimize screen tearing and lag with adaptive sync technology, while the crosshair function improves precision during gaming sessions

Samsung Odyssey OLED LS27FG810SUXXU 27" 4K UHD Gaming Monitor - 0.03ms, 240Hz, 3840x2160, HDMI 2.1, Displayport, USB

32% OffFree Shipping

Why We Love It

Unmatched 4K clarity for gamers.
Smooth visuals with 240Hz refresh.
Glare-free display enhances experience.

Main Highlights

QD-OLED in 4K - Explore worlds with unparalleled clarity. This QD-OLED screen delivers crystal-clear 4K quality on a 27" display with an incredible pixel density of 166 PPI, ensuring that every detail stands out in any game you play.
240Hz Refresh Rate & 0.03ms Response Time - Take your most intense gaming sessions to new heights. Experience ultra-smooth gameplay and razor-sharp visuals
Glare Free - Keep playing, uninterrupted. Glare Free technology makes your screen 54% less glossy than conventional Anti-Reflection film, keeping it clear of reflections from external light sources.
Samsung OLED Safeguard+ - Dynamic Cooling System, Thermal Modulation System, Logo & Taskbar Detection, Screen Saver to prevent burn-in or overheating
VESA DisplayHDR TrueBlack 400 helps display true, rich blacks without light bleed, enhancing contrast and colour depth. Scenes become more vibrant, adding unmatched depth and clarity to the background.

ASUS ROG Swift OLED PG27AQDM gaming monitor ― 27-inch (26.5-inch viewable) QHD (2560 x 1440) OLED panel, 240Hz, 0.03 ms response time, G-SYNC® compatible, 99% DCI-P3, true 10-bit color

19% OffFree Shipping

Why We Love It

Outstanding HDR performance ensured.
Consistent brightness values provided.
Easy OLED settings adjustment.

Main Highlights

Optional uniform brightness setting ensures consistent lumice levels
High perceptible peak brightness of 1000 nits (3 Percent of the screen when HDR is on), 99 Percent DCI-P3 colour gamut and Delta E < 2 colour difference for amazing HDR performance
Optional adjustment for even brightness ensures consistent brightness values
DisplayWidget Center enables easy OLED and monitor settings adjustments with a mouse
High perceptual 1000 nits peak brightness (3 Percent of the screen with HDR on), 99 Percent DCI-P3 gamut, and Delta E < 2 color difference for astonishing HDR performance
Highly efficient custom heatsink, plus intelligent voltage optimization for better heat management to reduce the risk of burn-in
DisplayWidget Center allows you to easily adjust OLED and monitor settings with the mouse

Corsair XENEON 27QHD240 27-Inch OLED Gaming Monitor - 2560 x 1440, 240Hz, 1ms, FreeSync Premium, HDR10, DisplayPort, HDMI, USB-C

40% OffFree Shipping

Why We Love It

Optimized brightness with firmware update.
Premium OLED for quality display.
27-Inch micro-bezel QHD screen.

Main Highlights

Increase Brightness by 33% and up to 200nit Full Screen with the v103 Firmware Driver Update found on the Corsair Webpage's Download Tab; Updates are zip files including installation instructions
OLED Panel - The premium OLED technology, developed by the OLED experts at LG Display, enables you to set the display with great performance and quality, at a best balance between work and entertainment
Ultra-Slim 27-Inch QHD Screen - A 27-Inch 2560 x 1440 display (110PPI) delivers a gorgeous 16:9 cinematic aspect ratio with an ultra-thin micro-bezel
Up to 240Hz Refresh Rate with 0.1ms GtG Response Time- Experience a new class of high-refresh rate performance, with 240Hz refresh rate and a phenomenal 0.03ms GtG response time made possible by LG OLED technology
Motion Blur Canceling- The latest OLED technology effectively eliminates motion blur for a new level of realism during fast-moving scenes and gameplay, while NVIDIA G-SYNC compatibility and AMD FreeSync Premium certification ensures silky-smooth images, less screen tearing, and low input latency
OLED Self Lit Pixels for Stunning HDR and Contrast- Every OLED pixel is self-lit, so you’ll see the tiniest spark in the darkest void with absolute precision and clarity; HDR with up to 1,000 nit brightness combines luminous highlights with the deepest of blacks, for a wide brightness range with 98.5% DCI-P3 colour gamut

LG UltraGear 27GR95QE - 27 inch OLED Gaming Monitor QHD (2560 x 1440), 240Hz Refresh Rate, 0.03ms (GtG) Response Time, Anti-glare, AMD FreeSync Premium, NVIDIA G-SYNC Compatible, HDMI 2.1

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Why We Love It

Immersive OLED display.
Crisp QHD, high refresh.
Minimal blur, swift response.

Main Highlights

[OLED display] Provides a immersive gaming experience with its rich colour expression and the contrast ratio as well as the fast response time.
[Gamers can fully enjoy QHD resolution] And up to 240Hz without fuss either by DisplayPort or HDMI 2.1
[0.03ms(GtG) Ensures smoother gameplay, reducing blur and ghosting.
[Anti-Glare & Low reflection technology] Reduces screen distraction even in the surrounding lighting environment.
[NVIDIA G-SYNC Compatible] Reduce screen tearing and stuttering for a smoother gaming experience.

KOORUI 27 inch OLED Gaming Monitor, 240Hz Monitor, 0.03ms, QHD 1440p AdaptiveSync, 99% DCI-P3, HDR True Black 400, Height/Pivot/Tilt/Swivel Adjustability, HDMI & DisplayPort VESA, Black, S2721XO

Why We Love It

Stunning OLED visuals captivate instantly.
True-to-life color enhances every detail.
Smooth performance perfect for gaming.

Main Highlights

Stunning OLED Visuals – 27" QHD Display: Experience ultra-sharp, lifelike images with the KOORUI S2721XO. Its 27-inch OLED screen delivers true QHD (2560x1440) resolution, deep blacks, and vibrant colors—perfect for competitive gaming and immersive entertainment.
True-to-Life Color – 99% DCI-P3: Enjoy cinematic color accuracy with 99% DCI-P3 wide color gamut coverage. Whether you're gaming, editing, or streaming, every shade pops with exceptional depth and realism.
Smooth & Responsive – Built for Gamers: Designed with gamers in mind, this OLED monitor features an ultra-fast response time for minimal input lag and ghosting. Perfect for fast-paced shooters, strategy games, and everything in between.
HDR400 Certified – Enhanced Contrast & Brightness: VESA DisplayHDR400 certification ensures high dynamic range with enhanced contrast, brightness, and more detailed visuals—even in dark scenes.
Ergonomic Stand – Fully Adjustable Comfort: Game your way with a stand that tilts, swivels, pivots, and adjusts in height. Whether you're grinding out a long session or working from home, the S2721XO adapts to you.

LG UltraGear OLED Gaming Monitor 27GS95QE, 27 inch, 1440p, 240Hz, 0.03ms Response Time, HDR 10, NVIDIA G-Sync compatible & AMD FreeSync, RGB LED lighting, DisplayPort, HDMI Black

3% OffFree Shipping

Why We Love It

Optimized QHD OLED design.
Faster response speed.
Remarkable surround sound.

Main Highlights

With its optimized 27" QHD (2560 x 1440) OLED design that makes it suitable for average sized gaming desks, the 27GS95QE boasts near-nfinite contrast ratios and lightning-fast refresh rates to keep gamers fully immersed in the action. It can express deeper blacks than conventional LED monitors as each individual pixel emits its own light and colour and therefore does not require backlighting Also, with its sensible anti glare coating, users enjoy disruption-free gaming in any light for the ultimate experience.
Thanks to its compact panel structure design, the 27GS95QE delivers faster response speeds than conventional LED models of up to 0.03ms, which are in turn ten times quicker than ‘high speed’ IPS displays Add to this its impressive 240Hz refresh rates and users enjoy much smoother frame transitions so they can clearly locate approaching targets and keep up with the action to stay completely in control of the game What’s more, NVIDIA G-SYNC compatibility and AMD FreeSync Premium Pro support ensures tear free viewing for a fully immersive, disruption-free experience.
27GS95QE UltraGear gaming monitor has support for a 4-pole headphone jack and exceptional DTS Headphone:X surround sound, the 27GS95QE offers crystal clear communication. Users can easily connect their smartphone earphones to the microphone without the need for separate audio jack setup, enabling seamless and clear conversations. Additionally, its user friendly ergonomic stand allows for personalized adjustments, ensuring gamers remain comfortably immersed in their gaming experiences. Furthermore, 27GS95QE also supports the DP 1.4 and HDMI 2.1 interfaces.

ASUS ROG Strix OLED XG27AQDMG Gaming Monitor 27-inch 1440p Glossy WOLED, 240Hz, 0.03ms, Custom heatsink, Anti-flicker, OLED Care, Uniform brightness, G-SYNC compatible, DisplayWidget Center

33% OffFree Shipping

Why We Love It

Stunning 27-inch 1440P display.
Crisp motion with ELMB technology.
Bright HDR performance with MLA.

Main Highlights

27-inch (26.5 viewable) 1440P WOLED gaming monitor with glossy screen surface and 240 Hz refresh rate
Exclusive Extreme Low Motion Blur (ELMB) technology enables even crisper and clearer motion in fast paced games
With the latest Micro Lens Array (MLA) technology to ensure 30% brigher with 100% window in HDR compared to its predecessors
Custom heatsink help prioritize heat dissipation and reduce the risk of burn-in
ASUS OLED Care offers Pixel Cleaning, Pixel Move, screen saver, and more to protect the OLED panel
Exclusive uniform brightness setting for consistent luminance levels
DisplayWidget Center software makes it easy to use a mouse to change OLED Care and system settings via an intuitive interface
Extensive connectivity options including DisplayPort 1.4 (DSC), HDMI (v2.0), and a tripod socket on top of the monitor

Gigabyte AORUS FO27Q2 27" OLED QHD Gaming Monitor - 2560 x 1440, 240Hz, 0.03ms, KVM, 250 cd/m², FreeSync Premium Pro, DisplayHDR True Black 400, HDMI 2.1

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Why We Love It

Crystal-clear 1440p OLED display.
Ultra-fast 240Hz refresh rate.
Premium 3-year warranty.

Main Highlights

27-inch OLED panel with 2560x1440 QHD Resolution
240Hz refresh rate, 0.03ms response time
10-bit display with 99% DCI-P3 color gamut
Ergonomic design: Height, tilt, swivel, and pivot adjustments
KVM cross-platform control
VESA DisplayHDR True Black 400, AMD FreeSync Premium Pro, ClearMR 13000
3-year premium warranty

Samsung Odyssey Gaming OLED G6 LS27DG612SUXXU 27" QHD Gaming Monitor - 0.03ms, 240Hz, 2560x1440, HDMI 2.1, Displayport, USB

36% OffFree Shipping

Why We Love It

Stunning visuals with OLED technology.
Glare-free screen for distraction-free gaming.
Incredible speed and smooth performance.

Main Highlights

With OLED technology content springs to life on an QHD (2560 x 1440) resolution screen
Glare Free technology significantly reduces glare from external light sources, so the OLED screen's perfect black and colour experience are presented without distractions.
0.03ms Response Time(GtG) & 240Hz Refresh Rate
Swivel, tilt, and adjust your monitor until all enemies are in perfect view. Your display can be moved freely so you can find total gaming comfort
AMD FreeSync Premium Pro keeps the GPU and panel synced up to eliminate choppiness, screen-lag, and image tears

8.7

Excellent

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We scanned 1031 products

We reviewed these offers relevant to the 240hz Gaming Monitor 27 Inch 1440p Oled within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like KOORUI, Samsung, ASUS, Corsair, LG, Gigabyte, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best 240hz Gaming Monitor 27 Inch 1440p Oled in the market, we considered we took a deep dive into 5156 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is KOORUI S2721XO 27 Inch Gaming Monitor, 240Hz, QD-OLED, QHD 1440P, 0.03ms, HDR 400, Adaptive Sync, Lifting Adjustable, VESA Mountable, HDMI/DP, Low Blue Light, 99% SRGB. We love many things about this product by KOORUI. What sets it apart from the competition is Stunning visuals with deep blacks. , Ultra-fast performance for gaming. , Flexible ergonomic design for comfort. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Samsung Odyssey OLED LS27FG810SUXXU 27" 4K UHD Gaming Monitor - 0.03ms, 240Hz, 3840x2160, HDMI 2.1, Displayport, USB by Samsung based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for 240hz Gaming Monitor 27 Inch 1440p Oled and the best cost-to-value ratio is Corsair XENEON 27QHD240 27-Inch OLED Gaming Monitor - 2560 x 1440, 240Hz, 1ms, FreeSync Premium, HDR10, DisplayPort, HDMI, USB-Cat Corsair with a 40% discount.
Our list of the best 240hz Gaming Monitor 27 Inch 1440p Oled is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best 240hz Gaming Monitor 27 Inch 1440p Oled in The UK

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We scanned 1031 products

We concluded that: