LG 27G850A-B computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD Black

Manufacturer: LG Electronics | Model: 27G850A-B.AEK | Product ID: 1910
£772.31 (inc. VAT)
Availability: 0 in stock

Product Technical Specification

Display
Display diagonal27
Display resolution3840 x 2160
HD type4K Ultra HD
Native aspect ratio16:9
Panel typeNano IPS
LED backlightYes
TouchscreenNo
Display brightness (typical)450
Response time1
Response time measurement typeGTG (Gray to Gray)
Screen shapeFlat screen
Contrast ratio (typical)2000:1
Maximum refresh rate240
Viewing angle, horizontal178
Viewing angle, vertical178
Display number of colours1.07 billion colours
Pixel pitch0.1554 x 0.1554
Display diagonal (metric)68.47
High Dynamic Range (HDR) supportedYes
High Dynamic Range (HDR) technologyDisplayHDR 600,High Dynamic Range 10 (HDR10)
Colour gamut standardDCI-P3
Colour gamut99
Factory-calibratedYes
Performance
NVIDIA G-SYNCYes
NVIDIA G-SYNC typeG-SYNC Compatible
AMD FreeSyncYes
AMD FreeSync typeFreeSync Premium Pro
Flicker-free technologyYes
Smart modesEnergy saving
Multimedia
Built-in speaker(s)No
Built-in cameraNo
Design
Market positioningGaming
Product colourBlack
Feet colourBlack
Ports & interfaces
Built-in USB hubYes
USB hub version3.2 Gen 1 (3.1 Gen 1)
USB upstream port typeUSB Type-B
Number of upstream ports1
USB Type-A downstream ports quantity2
HDMIYes
HDMI ports quantity2
HDMI version2.1
DisplayPorts quantity1
DisplayPort version2.1
Headphone outYes
Headphone outputs1
Ergonomics
VESA mountingYes
Panel mounting interface100 x 100
Wall mountableYes
Height adjustmentYes
Adjustable height (max)110
PivotYes
Pivot angle0 - 90
SwivellingYes
Swivel angle range-30 - 30
Tilt adjustmentYes
Tilt angle range-8 - 15
Power
Energy efficiency class (SDR)F
Energy efficiency class (HDR)G
Energy consumption (SDR) per 1000 hours26
Energy consumption (HDR) per 1000 hours58
Power consumption (typical)26
Power consumption (standby)0.5
Power consumption (off)0.3
AC input voltage100 - 240
AC input frequency50/60
Power supply typeExternal
Energy efficiency scaleA to G
Weight & dimensions
Width (with stand)614.7
Depth (with stand)249.1
Height (with stand)581.8
Weight (with stand)9400
Width (without stand)614.7
Depth (without stand)68.1
Height (without stand)365.4
Weight (without stand)5200
Packaging data
Package width838
Package depth439
Package height184
Package weight12300
Package typeBox
Packaging content
Stand includedYes
Cables includedDisplayPort,HDMI,USB
Other features
Country of originChina
Brand specific technologiesBlack Stabilizer,Crosshair
FPS counterYes

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Sun 07th Dec 2025 to Wed 10th Dec 2025
Fast & Tracked by Courier
£6.95
Fast & Tracked by Courier

Fast & Tracked by Courier (UK)

Estimated delivery date: Sat 06th Dec 2025 to Mon 08th Dec 2025
View all Delivery Options & International Rates
World’s First 27-inch 4K 240Hz Gaming Monitor

Dominate with the ideal size
Our world’s first 27-inch gaming monitor with 4K resolution and 240Hz refresh rate, a favorite size for gamers, offers the ultimate experience, especially for those who enjoy FPS titles. With a 1ms response time and Nano IPS Black panel, gain the edge even in the darkest battles.

Nano IPS Black
2000:1 Deeper blacks. Brighter vision.

The UHD 4K gaming monitor (3840x2160) with Nano IPS Black by applying nanometer-sized particles on the screen's LED enhances the contrast ratio from the standard IPS 1000:1 to 2000:1, this display enhances dark game scenes with sharper detail in objects, shadows, and backgrounds. Experience brighter, more vibrant colors and a heightened sense of realism that boosts your immersion to the next level.

Deep Black Pro
Spot your enemies. Dominate the shadows.

Conquer every gaming battlefield with unmatched precision, driven by the Nano IPS Black panel’s exceptional contrast and enhanced by Deep Black Pro technology. The block-based precise brightness control deepens dark areas and brightens highlights, delivering stunning detail and elevating every moment of gameplay.

DisplayHDR 600 | DCI-P3 99%
Immerse in true colors, conquer the game

Our gaming monitor supports a wide color spectrum, 99% (Typ.) of the DCI-P3 color gamut, expressing high-fidelity color for reproducing with VESA DisplayHDR 600, enabling a realistic gaming experience.

Live Color Low Blue Light
Increase gaming comfort while preserving vivid color quality

LG’s Live Color Low Blue Light with TÜV Rheinland Eyesafe® Display Certification helps to protect your eyes against blue light by combining RGB hardware and software adjustments while maintaining vivid color quality.

Nano IPS Black 1ms (GtG)
Remarkable speed, diving into gaming

Thanks to the Nano IPS Black 1ms, which reduces reverse ghosting and provides fast response time, you can enjoy more immersive gaming with advanced performance.

240Hz - 480Hz Dual-Mode, double the wonder
No need to hesitate between refresh rate and resolution. VESA-certified Dual-Mode, you can dive into graphically rich games at UHD 240Hz and instantly switch to FHD 480Hz on a 24" monitor, whichever you prefer, for fast-paced gaming just by pressing a hotkey.

DP 2.1, the wait is over
The latest DisplayPort 2.1, sets a new standard for next-generation gaming. It is an advanced interface expected to be introduced with the next generation of GPUs, enabling high-speed gaming at 240Hz in UHD resolution. Additionally, with multi-ports like HDMI 2.1 x2, it seamlessly connects to the latest consoles and PCs.

Smooth motion, infinite play

4-pole headphone out
Plugin for immersive sound effect

Enjoy your games while having voice chat by connecting easily with 4-pole headphone out. Also, you can feel even more immersive with virtual 3D sound with DTS Headphone:X.

Gaming GUI
Award winning gaming GUI

Gamers can use On-Screen Display and LG Switch to easily customize the setting from adjusting basic monitor options to registering ‘User Defined Key’ that user can set the shortcut.

LG Switch app
Crafted for your taste, powered for play

The LG Switch app optimizes your monitor for both gaming and everyday life. Effortlessly customize your preferred image quality and brightness, then apply your settings instantly with a hotkey. Plus, you can split the display into 11 options and quickly launch your video call platform, making it even more convenient.

Compact and sleek
Experience our hexagon lighting and a virtually borderless 3-sided clean design featuring a fully adjustable base with swivel, tilt, height, and pivot. A clutter-free L stand and wide-range swivel adjustment are designed to minimize desk space usage and eliminate dead space efficiently.
Display
Display diagonal27
Display resolution3840 x 2160
HD type4K Ultra HD
Native aspect ratio16:9
Panel typeNano IPS
LED backlightYes
TouchscreenNo
Display brightness (typical)450
Response time1
Response time measurement typeGTG (Gray to Gray)
Screen shapeFlat screen
Contrast ratio (typical)2000:1
Maximum refresh rate240
Viewing angle, horizontal178
Viewing angle, vertical178
Display number of colours1.07 billion colours
Pixel pitch0.1554 x 0.1554
Display diagonal (metric)68.47
High Dynamic Range (HDR) supportedYes
High Dynamic Range (HDR) technologyDisplayHDR 600,High Dynamic Range 10 (HDR10)
Colour gamut standardDCI-P3
Colour gamut99
Factory-calibratedYes
Performance
NVIDIA G-SYNCYes
NVIDIA G-SYNC typeG-SYNC Compatible
AMD FreeSyncYes
AMD FreeSync typeFreeSync Premium Pro
Flicker-free technologyYes
Smart modesEnergy saving
Multimedia
Built-in speaker(s)No
Built-in cameraNo
Design
Market positioningGaming
Product colourBlack
Feet colourBlack
Ports & interfaces
Built-in USB hubYes
USB hub version3.2 Gen 1 (3.1 Gen 1)
USB upstream port typeUSB Type-B
Number of upstream ports1
USB Type-A downstream ports quantity2
HDMIYes
HDMI ports quantity2
HDMI version2.1
DisplayPorts quantity1
DisplayPort version2.1
Headphone outYes
Headphone outputs1
Ergonomics
VESA mountingYes
Panel mounting interface100 x 100
Wall mountableYes
Height adjustmentYes
Adjustable height (max)110
PivotYes
Pivot angle0 - 90
SwivellingYes
Swivel angle range-30 - 30
Tilt adjustmentYes
Tilt angle range-8 - 15
Power
Energy efficiency class (SDR)F
Energy efficiency class (HDR)G
Energy consumption (SDR) per 1000 hours26
Energy consumption (HDR) per 1000 hours58
Power consumption (typical)26
Power consumption (standby)0.5
Power consumption (off)0.3
AC input voltage100 - 240
AC input frequency50/60
Power supply typeExternal
Energy efficiency scaleA to G
Weight & dimensions
Width (with stand)614.7
Depth (with stand)249.1
Height (with stand)581.8
Weight (with stand)9400
Width (without stand)614.7
Depth (without stand)68.1
Height (without stand)365.4
Weight (without stand)5200
Packaging data
Package width838
Package depth439
Package height184
Package weight12300
Package typeBox
Packaging content
Stand includedYes
Cables includedDisplayPort,HDMI,USB
Other features
Country of originChina
Brand specific technologiesBlack Stabilizer,Crosshair
FPS counterYes

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a very flexible and hassle free returns policy. If for whatever reason you are not happy with the item purchased you can return it to us within 12months for a refund (for unused and unopened items) or within 30 days on opened and used items for a refund. This applies to items purchased direct through Buykingston  only.

Our 30 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items opened and used and that are returned in a resellable condition.

Our 365 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items that remain sealed and unused.

Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;

- Headphones
- Earphones
- Custom made and designed products such as flash memory products with custom logo’s on them. E,g USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

Do i need to contact you before returning my order?
Yes, to obtain an RMA number.

Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365 day returns. Of course for faulty items we realise you may no longer have the packaging.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer direct for assistance.

Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.