39" UltraGear™ WQHD OLED Curved Smart Gaming Monitor, powered by webOS
39GX90SB-W
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Product name
LG UltraGear
Year
2026
Type
External Power(Adapter)
AC Input
100~240V (50/60Hz)
Power Consumption (Sleep Mode)
Less than 0.5W
Power Consumption (DC Off)
Less than 0.5W
Operating System
webOS 26
Full Web Browser
YES
Home Dashboard
YES
LG ThinQ®
YES
Magic Remote Control
YES (purchased separately)
Voice Assistants
YES (via Magic Remote)
Mirroring
YES
Wi-Fi
YES
Size [Inch]
39
Size [cm]
99.1
Resolution
3440 x 1440
Panel Type
OLED
Aspect Ratio
21:9
Pixel Pitch [mm]
0.266 x 0.266mm
Brightness (Min.) [cd/m²]
250cd/m²
Brightness (Typ.) [cd/m²]
275cd/m²
Color Gamut (Min.)
DCI-P3 94% (CIE1976)
Color Gamut (Typ.)
DCI-P3 98.5% (CIE1976)
Color Depth (Number of Colors)
1.07B
Contrast Ratio (Min.)
1200000:1
Contrast Ratio (Typ.)
1500000:1
Response Time
0.03ms (GTG)
Refresh Rate (Max.) [Hz]
240
Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)
Curvature
800R
HDR 10
YES
VESA DisplayHDR™
DisplayHDR™400 TRUE BLACK
HDR Effect
YES
Color Calibrated in Factory
YES
Auto Brightness
YES
Color Weakness
YES
NVIDIA G-Sync™
G-SYNC Compatible
AMD FreeSync™
FreeSync Premium Pro
VRR
YES
Black Stabilizer
YES
Dynamic Action Sync
YES
Crosshair
YES
FPS Counter
YES
User Defined Key
YES
RGB LED Lighting
Unity Hexagon Lighting
PBP
2PBP
PIP
YES
Smart Energy Saving
YES
HDMI
YES(2ea)
USB-C
Yes (1Up)
Display Port
YES
Remote Controller
YES
HDMI
YES(2ea)
DisplayPort
YES(1ea)
DP Version
1.4 (DSC)
USB-C
Yes (1Up)
USB-C (Data Transsmission)
YES
USB-C (Power Delivery)
65W
USB Upstream Port
YES(via USB-C)
USB Downstream Port
YES(2ea/ver2.0)
LAN (RJ-45)
YES
Headphone out
3-pole (Sound Only)
Speaker
7Wx2(Max), 5Wx2(Typ)
Bluetooth Connectivity
YES
Display Position Adjustments
Tilt/Height/Swivel
Wall Mountable [mm]
100 x 100
Dimension with Stand (W x H x D) [mm]
887.8 x 605.7 x 322.8mm(UP)/
887.8 x 495.7 x 322.8mm (Down)
Dimension without Stand (W x H x D) [mm]
887.8 x 404.4 x198.0mm
Dimension in Shiping (W x H x D) [mm]
985 x 338 x 550mm
Weight with Stand [kg]
11.45kg
Weight without Stand [kg]
7.30kg
Weight in Shipping [kg]
17.5kg
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