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LG UltraGear 27-inch QHD 4th Gen OLED Gaming Monitor - Black (27GX790B-B)

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LG UltraGear 27-inch QHD 4th Gen OLED Gaming Monitor - Black (27GX790B-B)
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Description

The LG UltraGear 27GX790B-B delivers stunning 27-inch QHD OLED visuals with exceptional contrast, deep blacks, and ultra-smooth gaming performance. Built for competitive and immersive play, it offers fast response, vivid colour reproduction, and fluid motion for a premium gaming experience. Its sleek black design and advanced display technology make it a powerful upgrade for serious gamers and modern setups.

Key Features

DISPLAY
LG's Brightest* 4th Gen OLED
Introducing LG’s gaming monitor powered by 4th Gen OLED with revolutionary Primary RGB Tandem technology - reaching up to 1500 nits of peak brightness for visibly clearer gameplay, helping you to see on-screen visuals with clarity even in bright environments. In fast-paced or sunlit in-game scenes, enhanced APL and reduced ABL help maintain consistent luminance without dimming critical visuals. UL Verified Perfect Black, Color, and VESA DisplayHDR™ True Black 500, this next-gen OLED delivers the contrast and clarity gamers need to react faster, see more, and stay immersed in every frame.
Next-Gen OLED Brilliance
Powered by 4th Gen Primary RGB Tandem OLED, the 27GX790B delivers brighter visuals with less power than the previous 3rd Gen OLEDs - reaching up to 1500 nits of peak brightness. Its advanced 4-stack RGB structure produces deeper contrast, sharper detail, and stunning color precision. Experience clearer shadows, deep immersion, and visual consistency in every frame - built for serious gaming.
UL-verified, perfect visual experience, consistent in both low and bright light
Perfect black
Perfect Black is UL-verified and delivers true black levels to enhance perceived brightness and contrast, whether it's bright or dark around you.
Perfect colour & 100% colour fidelity
Perfect Color and 100% Color Fidelity deliver accurate color expression even under varying lighting conditions, from low light to bright ambient environments.
Perfect reproduction
UL-verified Perfect Reproduction delivers that actual game content is faithfully rendered on screen, maintaining intended color and detail in both dark and bright environments. Unlike static image-based metrics, this certification reflects real-world content reproduction accuracy.
Deeper Detail with VESA DisplayHDR™ True Black 500
Experience unparalleled depth and vibrant realism with VESA DisplayHDR™ True Black 500, delivering detailed black expression even in the darkest scenes. With DCI-P3 99.5% (Typ.) color gamut, the monitor provides that colors are displayed with realistic detail, as close to the original intent as possible.
UL-verified advanced eye comfort technologies
Featuring AGLR(Anti-glare and low reflection), LG WOLED’s UL-verified advanced eye comfort technologies minimize frustrating reflections and keep your eyes comfortable, delivering crystal-clear gaming performance with consistent clarity. With UL verifications in key areas - limiting harmful blue light exposure and preventing distractions from flickering lights - these technologies promote visual comfort and contribute to a smoother gaming experience, whether you’re gaming in bright environments or LED-lit rooms.
SPEED
720Hz(@HD) – 540Hz(@QHD) Dual-Mode with selectable options
With VESA Certified Dual-Mode, enjoy UltraGear’s fastest performance with up to 720Hz - the highest refresh rate ever introduced. Seamlessly switch between QHD 540Hz for detailed visuals and HD 720Hz for ultra-fast action. Choose your preferred refresh rate and screen size via On-Screen Display, or toggle instantly through LG Switch for optimized gameplay across every genre.
Smooth, seamless motion with 720Hz refresh rates
At 720Hz, each frame transitions almost instantaneously, producing motion that appears continuous to the human eye. With significantly reduced blur, tearing, and latency, gameplay becomes smoother, clearer, and more lifelike - allowing even the fastest moves to stay sharp and fluid from start to finish.
High-speed bandwidth by DisplayPort 2.1
The latest DisplayPort 2.1 on the 27GX790B delivers next-generation bandwidth optimized for ultra-high-speed gaming, supporting stable performance even at extreme refresh rates. Extending this connectivity, the USB-C port supports streamlined single-cable display output and data transfer - ideal for modern setups that require flexibility without extra clutter. Completing the configuration, dual HDMI 2.1 ports can provide smooth compatibility with the latest consoles and gaming PCs, creating a fully integrated high-performance environment across devices.
Overwhelming speed, diving into gaming
The ultra-fast 0.02 response time (GtG), reducing reverse ghosting and providing fast response time, lets you to enjoy a whole new gaming performance
TECHNOLOGY
Certified with a widely adopted technology
Powered by AMD FreeSync™ Premium Pro, NVIDIA-validated G-SYNC® compatibility, and VESA AdaptiveSync™ certification, this monitor provides tear-free, ultra-smooth visuals and low latency, delivering unmatched gaming precision and fluidity.
ClearMR 21000 for sharper, cleaner motion
VESA certified by ClearMR 21000, this monitor finally captures even the subtle blurring that occurs around the edges of moving objects, displaying fast-moving action with sharpness and detail. Also, it allows you to take a step closer to victory.
Dynamic Action Sync
Reducing input lag with Dynamic Action Sync, gamers can catch critical moments in real-time and respond quickly.
Black Stabilizer
Black Stabilizer enhances visibility in dark scenes, revealing hidden details and improving clarity for smoother navigation through shadowy environments or sudden light changes.
Crosshair
The target point is fixed in the center to enhance shooting accuracy.
Smarter control, seamless switching by LG Switch
With the LG Switch app, it's easy to optimize your monitor for both gaming and everyday use. Effortlessly manage your monitor settings - adjust image quality and brightness to your preference, then apply your settings instantly using a hotkey. The app also lets you split the screen into 11 layouts and launch your video call platform with a click - bringing even more convenience to your setup.
Plugin for immersive sound effect
Enjoy your games while having voice chat by connecting easily with a 4-pole headphone out. Also, you can feel even more immersive with virtual 3D sound with DTS Headphone: X.
Compact and sleek
Experience our virtually borderless design featuring a fully adjustable base with swivel, tilt, and height. A clutter-free slim stand and wide-range swivel adjustment are designed to minimize desk space usage and eliminate dead space efficiently, while adding a sleeker, more refined look to your setup.

*Images are for illustration purposes only

Specifications
General
Brand LG
Colour Black
Model 27GX790B-B
Product-Type Gaming Monitor
Display
Screen Size (inches) 26.5
Screen Size (Group)
  • 27-inch
Screen Definition OLED QHD
Resolution
  • 2560 x 1440
Connectivity
HDMI 2 x HDMI 2.1
Other Ports 1 x DisplayPort2.1
USB Yes
Dimensions
Weight (kg) 6.8
Product Height (cm) 52.7cm
Product Width (cm) 60.5cm
Product Depth (cm) 22cm
Packaged Dimensions
Packaged Height 18.2cm
Packaged Width 79cm
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LG UltraGear 27-inch QHD 4th Gen OLED Gaming Monitor - Black (27GX790B-B)
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Delivery & Pickup Information

All items available for online purchase are not guaranteed to be in stock at the time of order processing. If we are unable to fulfill your order, you will be offered an alternative or given a refund for the unavailable product.

Self Collect: Ready for collection within 1-3 Working days from the date of your order notification confirmation. Or 2-4 Working days for orders made on Public Holidays, Saturday and Sunday. Subjected to stock availability. Self collection ONLY applies for selected Small Items.

Small Items: Delivery estimate of 2-7 Working days from the date of your order. Excluding Saturday, Sunday and Public Holidays. Subjected to stock availability. Delivery will be facilitated by SingPost and local couriers.

Large / Bulky Items: Delivery estimate of 7-14 Working days from the date of your order. Excluding Sunday and Public Holidays. Subjected to stock availability. Delivery will be facilitated by Harvey Norman.

Delivery cost does not include installation/dismantling/carrying up or down by staircase. Installation/Dismantling cost and any other 3rd party cost applies separately.

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