48" UHD 4K OLED UltraGear Gaming Monitor with 0.1 ms Response Time, nVIDIA® G-SYNC® Compatible with AMD FreeSync™
DISCONTINUED
48GQ90B-B
48" UHD 4K OLED UltraGear Gaming Monitor with 0.1 ms Response Time, nVIDIA® G-SYNC® Compatible with AMD FreeSync™
Key Features
All Specs
- 48” UHD 4K (3840 x 2160) OLED Display with Anti-Glare & Low Reflection
- 0.1ms (GtG) Response Time & 120 Hz Refresh Rate (O/C 138 Hz)
- 1.5M:1 Contrast Ratio, DCI-P3 99% (Typ.) with HDR 10
- 4-Pole Headphone out with DTS Headphone:X & 20W Stereo Speaker
- nVIDIA® G-SYNC® Compatible with AMD FreeSync™
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Features and Specs
48” UHD 4K OLED
Enjoy smoother, vivid colors and high-resolution graphics thanks to HDMI 2.1, which provides 2.5x higher bandwidth than HDMI 2.0. With HDMI 2.1 and a supportable graphics card, you can experience up to 120Hz (O/C 138Hz) variable refresh rate (VRR).1 2 You can also transfer uncompressed 4K files at speeds up to 120Hz and uncompressed 8K files at speeds up to 30Hz.
Extreme contrast FTW
With a 1,500,000:1 contrast ratio, gamers will experience games the way the creators intended with bold colors.
Never miss a movement
Stay focused on the game without worrying about missing enemy movements from light reflections.*
*Image simulation for illustration purposes only. This model uses a Flicker-free panel verified by UL.
Overwhelming speed, diving into gaming
Enjoy the game with smoother movement, and surreal visual fluidity, with 0.1ms (GtG) response time that reduces reverse ghosting, and helps objects render clearly.
Gamer-centric design
Get in the zone with the side stand and ultra-slim design to optimize space in your gaming environment and deliver maximum game visibility.
Control your play
With the UltraGear™ Remote Control, you can turn your monitor on or off, adjust sound, change the mode and more.
Software Features
Picture-by-Picture (PBP)
No
Local Dimming
No
Picture-in-Picture (PIP)
No
Smart Energy Saving
Yes
Low Blue Light
No
Flicker Safe
No
Reader Mode
Yes
Color Blind Mode
No
USB Plug & Play
No
Electrical
Power Consumption (Power Off)
Less than 0.3W
Power Type
Built-in Power
Power Consumption (Sleep Mode)
Less than 0.5W
Power Consumption (On Mode)
Not Available
Power Consumption (On-Mode) (ErP)
Not Available
AC Input
100-240 Vac, 50/60 Hz
Power Consumption (Normal On EPA)
Not Available
Power Consumpution (Energy Star Power)
Not Available
DC Output
12VM/3A, 12VT/2.1A, 20V/2.0A, 21.5V/7.03A
Power Consumption (Typ.)
175W
Mechanical
Color (Front Cabinet)
Not Available
Color (Back Cover)
Purple Gray, Matte + Pattern
Color (Middle Cabinet)
Not Available
Color (Stand Base)
Purple Gray, Matte
Base Detachable
Yes
OneClick Stand
Not Available
Display Position Adjustments
Not Available
Tilt
Not Available
Height Range
Not Available
Swivel
Not Available
Pivot
N/A
Extend/Retract
N/A
Down Height
N/A
Assembly Step
Not Available
Mini PC Bracket Ready
N/A
Weight
37 lbs / 16.8 kg
Weight without Stand
34.2 lbs / 15.5 kg
Shipping Weight
42.5 lbs / 19.3 kg
Dimensions (W x H x D)
Not Available
Dimensions without Stand (W x H x D)
42.1 x 26.0 x 1.8 in / 1,070.6 x 623.9 x 46.6 mm
Dimensions Stand Up (W x H x D)
Not Available
Dimensions Stand Down (W x H x D)
Not Available
Shipping Dimensions (W x H x D)
50.6 x 30.4 x 6.8 in / 1285 x 771 x 173 mm
Audio/Sound
Built-in Speakers
Yes (x2) 20W
Rich Bass
No
MaxxAudio®
No
Output Frequency
Not Available
Output dB
Not Available
Hardware Features
Auto Brightness Sensor
No
Features
Color Weakness
No
DDC/CI
No
Key Lock
No
Off Timer
No
Black Equalizer
No
DAS Mode
No
Power Charge
No
MBR (Supported Frequencies)
No
Auto Input Switch
No
Super Resolution+
No
HW Calibration
Yes
Intelligent Auto (Auto Adjustment)
No
Remote Control
Yes
Six Axis Control
No
Color Calibrated
Yes
User Define Key
Yes
Picture Mode
SDR): Gamer1, Gamer2, FPS, RTS, Vivid, Reader, HDR Effect, sRGB, Calibration1/2 (HDR): Gamer1, Gamer2, FPS, RTS, Vivid
Connectivity
HDMI In
Yes (x3)
HDMI (V Frequency)
Not Available
HDMI (H Frequency)
Not Available
HDMI (FreeSync)
Not Available
HDMI (Max. Resolution)
Not Available
DVI-D In
No
DVI-D (V Frequency)
N/A
DVI-D (H Frequency)
N/A
D-Sub
No
D-Sub (V Frequency)
N/A
D-Sub (H Frequency)
N/A
D-Sub (Max Resolution)
N/A
DisplayPort In
Yes (x1 per monitor) v1.4 HDCP 2.2
DisplayPort (V Frequency)
Not Available
DisplayPort (H Frequency)
Not Available
DisplayPort (FreeSync)
Not Available
DisplayPort (Max Resolution)
Not Available
RS-232C In (3.5 mm 4-pin)
No
RJ45 (Ethernet)
No
USB Type-A (Upstream)
Yes (x1) v3.0
USB Type-A (Quick Charging)
Not Available
USB Type-A (Downstream)
Yes (x2) USB 3.0
USB Type-C In
No
USB Type-C (DisplayPort Version)
Not Available
USB Type-C Power Delivery
Not Available
USB Type-C (V Frequency)
Not Available
USB Type-C (Max. Resolution)
Not Available
Thunderbolt™
No
Thunderbolt™ Power Delivery
No
Thunderbolt™ (USB-Compatibility)
No
Thunderbolt™ (V Frequency)
No
Thunderbolt™ (Max Resolution)
No
PC Audio In
No
Microphone In (3.5 mm)
No
Built-in KVM
No
DisplayPort Out
No
Headphone Out (3.5 mm)
Yes
Daisy Chain
No
Port Location
Not Available
Control Key
Local Key Operation
Not Available
Key Type
Not Available
LED Color (On Mode)
Not Available
LED Color (Power save mode)
Not Available
Key Location
Not Available
Gaming Features
AMD FreeSync™
Yes
RADEON FreeSync™
No
FreeSync™ (Low Frame Compensation)
No
Black Stabilizer®
Yes
Dynamic Action Sync®
Yes
Crosshair
Yes
Motion Blur Reduction Technology
No
NVIDIA G‐Sync™
Yes
FPS Counter
Yes
OverClocking
Yes
Warranty & Other
Assembled In
China
Warranty
3 Year Limited
UPC
1 95174 04293 9
Regulatory & Certifications
CB
No
ROHS, REACH (Environmental)
No
Operating System
No
Thunderbolt Certification
No
CE (Regulatory)
No
USB-IF
No
CEC (Regulatory)
Yes
U.S. ePEAT (Environmental)
No
TUV Eyesafe
No
ISO13406-2
No
FCC (Regulatory)
Class B
TUV LBL
No
PVC-Free
No
EPA (Environmental)
No
USB-C (VESA)
No
TAA Compliance
No
Vesa Wall Mount Standards
No
ISO 9241-307
No
TUV-GS
No
ERP (Environmental)
Yes
TUV‐TYPE (Regulatory)
No
TCO (Sustainability)
No
TUV-Ergo
No
Energy Star (Environmental)
No
IEC (Electrical)
No
UL/cUL Certification
Yes
LG Software Compatible
OnScreen Control /Switch
Yes
LG UltraGear™ Control Center
No
True Color Pro
Yes
LG Callibration Studio
Yes
Dual Controller
No
Panel
Screen Size (Inches)
48"
Panel Technology
OLED
Aspect Ratio
16:9
Backlight Technology
Not Available
Native Resolution
3840 x 2160 (UHD)
Panel Multi
Not Available
Backlight Array
Not Available
Backlight Dimming
Not Available
Local Dimming Zone
No
Pixel Pitch
0.274 x 0.274 mm
Refresh Rate
120 Hz
Brightness (Typ.)
330 nits
Contrast Ratio with DFC
No
Digital Fine Contrast (DFC)
No
Color Gamut
DCI-P3 99% (CIE 1976)
Color Depth (Number of Colors)
10 bit, 1.07 Billion Colors
Viewing Angle (H x V)
178° x 178°
Response Time (G to G)
0.1 ms
Surface Treatment (Haze)
No
Surface Treatment (Anti Glare)
Yes
Surface Treatment (Hard Coating)
No
Curved
No
Curvature
No
HDR 10
Yes
HDR Effect
Yes
VESA DisplayHDR™
No
Wide Color Gamut (WCG)
No
Nano IPS™ Technology
No
Camera & Mic
Built-in Mic
No
Built-in Webcam
No
All image simulations are for illustration purposes only.
© Copyright 2025 ©LG Electronics USA, Inc. All rights reserved. LG and the LG logo are registered trademarks of LG Corp. All other trademarks are the property of their respective owners. Prices, promotions, and availability may vary by dealer. The information contained herein is subject to change without notice. All image simulations are for illustration purposes only.
© Copyright 2025 ©LG Electronics USA, Inc. All rights reserved. LG and the LG logo are registered trademarks of LG Corp. All other trademarks are the property of their respective owners. Prices, promotions, and availability may vary by dealer. The information contained herein is subject to change without notice.
© Copyright 2025 ©LG Electronics USA, Inc. All rights reserved. LG and the LG logo are registered trademarks of LG Corp. All other trademarks are the property of their respective owners. Prices, promotions, and availability may vary by dealer. The information contained herein is subject to change without notice. All image simulations are for illustration purposes only.
© Copyright 2025 ©LG Electronics USA, Inc. All rights reserved. LG and the LG logo are registered trademarks of LG Corp. All other trademarks are the property of their respective owners. Prices, promotions, and availability may vary by dealer. The information contained herein is subject to change without notice.
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