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 - LG 48" 48GQ900-B 3840x2160 4K OLED 138Hz 0.1ms FreeSync/G-Sync HDMI 2.1 Widescreen Gaming Monitor

LG 48" 48GQ900-B 3840x2160 4K OLED 138Hz 0.1ms FreeSync/G-Sync HDMI 2.1 Widescreen Gaming Monitor

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Display Resolution 3840x2160 4K UHD, Display Size 48", Refresh Rate 120Hz (138Hz OC), FreeSync Premium, 0.1ms Response Time, Contrast Ratio 1500000:1, Panel Type OLED, HDMI 2.1, Height Adjust

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EAN 8806091661326
MPN 48GQ900-B

LG UltraGear 48GQ900 - UHD 4K OLED Gaming Monitor

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48” UHD 4K OLED Widen Your Gaming View

Thanks to UHD 4K OLED display representing outstanding clarity and realistic picture with HDR10 delivering dynamic contrast, LG UltraGear™ monitor can help gamers immerse into the game and feel as if they were in the center of the game at the 48-inch large screen.

48” UltraGear™ UHD 4K OLED Gaming Monitor Features at a Glance:

  • 48" UHD 4K (3840 x 2160) OLED Display
  • 1.5M : 1 Contrast Ratio and HDR10
  • Anti-glare and Low reflection
  • 4K@120Hz from HDMI 2.1
  • 0.1ms (GtG) Response time
  • Remote Control Support

UHD 4K OLED Display
Anti-glare and Low reflection
1.5 M : 1 Contrast Ratio and HDR10

0.1ms (GtG)
120Hz (O/C 138Hz)
4K@120Hz from HDMI 2.1

NVIDIA® G-SYNC® Compatible
AMD FreeSync™ Premium


SELF-LIT OLED Pixel provides a more immersive gaming experience with its rich colour expression and the contrast ratio as well as the fast response time.

OLED 1.5M : 1 Contrast Ratio

With 1,500,000:1 high contrast ratio, the gamer can experience almost all colours and visuals of the game intended by the creators precisely.

Show Only Your Game

Applying Anti-Glare and Low reflection technology can provide a better viewing experience anywhere by reducing screen distraction even in the surrounding lighting environment. In addition, it has the effect of reducing eye strain with a Flicker-free panel.

Overwhelming Speed, Diving into Gaming

With 0.1ms (GtG) response time, reducing reverse ghosting and helping objects render clearly, let you enjoy the game with smoother movement and surreal visual fluidity.

120Hz (O/C 138Hz): Speedy Screen, Smooth Gameplay

A fast speed of 120Hz (Overclock138Hz) allows gamers to see the next frame quickly and makes image to appear smoothly. The gamers can response rapidly to opponents and aim at target easily.

Play Game Fully yet Easily

LG 48GQ900 is capable of up to 120Hz (O/C 138Hz) refresh rate from HDMI 2.1. It means gamers can fully enjoy UHD 4K resolution and up to 120Hz (O/C 138Hz) without fuss either by DisplayPort or HDMI.

*Supports up to 120Hz (O/C 138Hz) Variable Refresh Rate (VRR). A graphic card that supports HDMI 2.1 and the HDMI 2.1 cable (included in the package) is required to work properly.

NVIDIA® G-SYNC® Compatible

48GQ900 is a NVIDIA-tested and officially validated G-SYNC® Compatible monitor, that can give you a good tear-free, stutter-free gaming experience.

AMD FreeSync™ Premium

With FreeSync™ Premium technology, gamers can experience seamless, fluid movement in hi-resolution and fast-paced games. It virtually reduces screen tearing and stuttering.

Gamer-centric Design

Thanks to the side stand and ultra-slim design, it creates an optimized gaming environment by providing space utilization and ease of secure visibility in every place you want to play like the living room, gaming room, or other spaces.

UltraGear™ Remote Control

Set and control at once. With UltraGear™ Remote Control, you can conveniently set and control your monitor by turning it on or off, sound adjusting, changing mode, and others.

Immersive Sound Experience

48GQ900 provides impressive sound with 2 x 20W stereo speakers. Also, you can enjoy your games and have voice chat simultaneously by connecting easily with 4-pole Headphone out, while feeling even more immersive with virtual 3D sound with DTS Headphone:X.

*Headsets sold separately.

Award Winning Gaming GUI

Gamers can use On-Screen Display and OnScreen Control to easily customize the setting from adjusting basic monitor options to registering 'User Defined Key' that user can set the shortcut.

Dynamic Action Sync

With Dynamic Action Sync, gamers can catch critical moments in real time, reduce input delays, and respond quickly to their opponents.

LG Calibration Studio: Accurate Colours Updated

Optimise colour performance by using Hardware Calibration through the LG Calibration Studio, making the most of LG OLED 4K display's wide colour spectrum and consistency.

For more information on 4K monitors, check out our Gaming Monitor Guide on the Overclockers UK Blog or speak to our friendly sales team.


Prodct Name UltraGear Year Y22
Display Size 47.5"
Resolution 3840 x 2160
Panel Type OLED
Aspect Ratio 16:9
Brightness Min: 264 cd/m2 (@SDR 25% APL)
Typical: 330 cd/m2 (@SDR 25% APL)
Colour Gamut DCI-P3 99% (CIE1976)
Colour Depth 1.07B (number of colours)
Contrast Ratio Min: 1,200,00:1 @25% APL
Typical: 1,500,00:1
Response Time 0.1ms (GtG)
Refresh Rate Max: 138Hz (O/C)
Viewing Angle (CR=10) 178° (R/L), 178° (U/D)
Curvature No
Power Type Built-in power
AC Input 100-240Vac, 50/60Hz
Power Consumption Typical: 175W
Max: 253W
Power Consumption (Energy Star): N/A
Sleep Mode: Less than 0.5W
DC Off: Less than 0.3W
Connectivity 3 x HDMI
1 x DisplayPort
Daisy Chain N/A
USB Upstream Port 1 x USB 3.0
USB Downstream Port 2 x USB 3.0
Audio SPDIF out (Optical Digital Audio Out): YES Audio In: N/A
Mic In: N/A
Headphone Out: 4-pole (sound and mic)
Line Out: N/A
Speakers 2 x 20W speakers
Bluetooth Conectivity NO
Rich Bass NO
Features HDR 10 YES
Dolby Vision™ NO
HDR Effect YES
Mini-LED Technology NO
Nano IPS™ Technology NO
Advanced True Wide Pol. NO
Colour Calibrated in Factory YES
HW Calibration HW Calibration Ready
Auto Brightness NO
Flicker safe NO
Reader Mode YES
Colour Weakness NO
Super Resolution+ NO
Motion Blur Reduction Tech. NO
NVIDIA G-Sync™ G-SYNC Compatible
AMD FreeSync™ FreeSync Premium
Black Stabilizer Black Stabilizer
Dynamic Action Sync YES
Crosshair YES
FPS Counter YES
OverClocking YES
User Define Key YES
Auto Input Switch NO
RGB LED Lighting Hexagon Lighting
Smart Energy Saving YES
Camera NO
Mic NO
Others (Feature) Hexagon Lighting, VESA DSC Tech. DTS HP:X (4-pole H/P Out)
SW Application LG Calibration Studio (True Colour Pro) YES
Dual Controller NO
OnScreen Control (LG Screen Manager) YES
LG UltraGear™ Control Center NO
LG UltraGear™ Studio NO
Display Position Adjustments No
Wall Mountable 300mm x 200 mm
Dimension With Stand: 1070.6mm x 659.7mm x 184.8mm
Without Stand: 1070.6mm x 623.9mm x 46.6mm
In Shiping: 1285mm x 771mm x 173mm
W x H x D
Weight With Stand: 16.8kg
Without Stand: 15.5kg
In Shipping: 19.3kg
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