LG UltraGear 27GX790B 26.5 " black

Name: LG UltraGear 27GX790B 26.5 " black
Brand: LG

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LG UltraGear 27GX790B 26.5 " black

2026 UltraGear (gaming)gaming WOLED HDMI 2.1 Dual Mode HDR Adaptive-Sync FreeSync good DCI-P3

Screen size:26.5 "

Resolution:2560x1440 (16:9)

Panel:WOLED, response 0.02 ms

Frequency:540 Hz, 720 Hz (HD)

Contrast:1 500 000:1

Brightness:335 cd/m²

Functions:HDR, AMD FreeSync Premium Pro, NVIDIA G-Sync Compatible, VESA Adaptive-Sync, Flicker-Free

Connectors:DisplayPort v2.1 • 2xHDMI v2.1

VESA ClearMR 21000 certified.

All specifications

Specifications UltraGear 27GX790B

Colour

Product type	gaming
Size	26.5 "


Screen
Panel type	WOLED
Surface treatment	anti-glare
Resolution	2560x1440 (16:9)
FPS	540 Hz
Frame Rate (Dual Mode)	720 Hz (HD)
Pixel size	0.23 mm
Response time (GtG)	0.02 ms
Vertical viewing angle	178 °
Horizontal viewing angle	178 °
Brightness	335 cd/m²
Static contrast	1 500 000:1
Colour depth	10-bit (1.07B Colors)
Colour gamut (DCI-P3)	99.5 % / CIE1976 /
HDR	DisplayHDR True Black 500


Connection
Video transmission	DisplayPort v2.1 2xHDMI v2.1
USB-A hub	2x5Gbps
Connectors (optional)	mini-Jack output (3.5 mm) / sound + microphone /

Features
Features	Flicker-Free AMD FreeSync Premium Pro NVIDIA G-Sync Compatible Adaptive-Sync
Portrait pivot
Screen swivel	/ +- 30° /
Height adjustment	/ 130 mm /
Game Features	aim FPS display brighten darker areas / Black Stabilizer /


General
RGB lighting	LG Unity Hexagon Lighting
Wall mount	VESA 100x100mm
External power supply
Dimensions (WxHxD)	605x528x220 mm
Dimensions without stand (WxHxD)	605x351x51 mm
Weight	6.8 kg
Weight without stand	4.3 kg
Official Website	lg.com
Added to E-Catalog	January 2026

E-Catalog UK editor, Monitors

Dmytro Prokopenko, edited 19.08.2026

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.

How to Choose a Gaming MonitorWe understand matrix types, suitable resolution, FreeSync and other important aspects when choosing a gaming monitor

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