LG 27G850A-B 27″ 240Hz Monitor

27 inch · 3840 x 2160 · 240 Hz · Nano IPS

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Screen size 27 inch
Resolution 3840 x 2160
Refresh rate 240 Hz
Panel Nano IPS
Response time 1 ms

LG 27G850A-B 27″ 240Hz Monitor is a 27-inch monitor with 3840 x 2160 resolution, a 240 Hz refresh rate and Nano IPS panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-02-16

Specifications

Key specs

Screen size: 27 inch
Resolution: 3840 x 2160
Refresh rate: 240 Hz
Panel: Nano IPS
Response time: 1 ms
Released: 2025-02-16
Part number: 27G850A-B.AEK
EAN / UPC: 8806096384343

Display

Display diagonal: 68.6 cm (27")
Display resolution: 3840 x 2160 pixels
HD type: 4K Ultra HD
Native aspect ratio: 16:9
Display technology: LCD
Panel type: Nano IPS
LED backlight: Yes
Display brightness (typical): 450 cd/m²
Response time: 1 ms
Response time measurement type: GTG (Gray to Gray)
Screen shape: Flat
Contrast ratio (typical): 2000:1
Maximum refresh rate: 240 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.1554 x 0.1554 mm
Display diagonal (metric): 68.47 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 600, High Dynamic Range 10 (HDR10)
Colour gamut standard: DCI-P3
Colour gamut: 99%
Factory-calibrated: Yes

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium Pro
Flicker-free technology: Yes
Smart modes: Energy saving

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Design

Market positioning: Gaming
Product colour: Black
Feet colour: Black

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type: USB Type-B
Number of upstream ports: 1
USB Type-A downstream ports quantity: 2
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 2.1
Headphone out: Yes
Headphone outputs: 1

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Height adjustment: Yes
Adjustable height (max): 11 cm
Pivot: Yes
Pivot angle: 0 - 90°
Swivelling: Yes
Swivel angle range: -30 - 30°
Tilt adjustment: Yes
Tilt angle range: -8 - 15°

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 26 kWh
Energy consumption (HDR) per 1000 hours: 58 kWh
Power consumption (typical): 26 W
Power consumption (standby): 0.5 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power supply type: External
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 614.7 mm
Depth (with stand): 249.1 mm
Height (with stand): 581.8 mm
Weight (with stand): 9.4 kg
Width (without stand): 614.7 mm
Depth (without stand): 68.1 mm
Height (without stand): 365.4 mm
Weight (without stand): 5.2 kg

Other features

Brand specific technologies: Black Stabilizer, Crosshair, DAS Mode, Dual Mode, Super+ Resolution
FPS counter: Yes
Warranty period: 2 year(s)

Check the manufacturer's page before buying.

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About this product

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.

User manual (PDF)

27G850A-B vs similar monitors

	LG 27G850A-B 27″ 240Hz Monitor	LG 27GS85Q-B 27″ 200Hz Monitor	Acer XB273K V4 Widescreen Gaming LCD Monitor	LG 27GN750-B 27″ 240Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	3840 x 2160	2560 x 1440	3840 x 2160	1920 x 1080
Refresh rate	240 Hz	200 Hz	320 Hz	240 Hz
Panel	Nano IPS	Nano IPS	TFT	IPS
Response time	1 ms	1 ms	1 ms	1 ms
Released	2025	2026	2026	2026