LG UltraGear™ 39-inch OLED 240Hz WQHD Curved Smart Gaming Monitor | webOS, 0.03ms (GtG), 240Hz, DisplayHDR True Black 400

39GX90SA-W

Key Features

39-inch WQHD (3440x1440) OLED display
240Hz refresh rate/ 0.03ms (GtG) response time
webOS
AI Picture / Dynamic Tone Mapping / AI Personalized Picture Wizard / AI Sound
VESA ClearMR 13000 / NVIDIA® G-SYNC® Compatible / AMD FreeSync™ Premium
Hexagon lighting design with space-saving L stand

All specs

DISPLAY

Aspect Ratio: 21:9

Brightness (Typ.) [cd/m²]: 275cd/m²

Color Depth (Number of Colors): 1.07B

Color Gamut (Typ.): DCI-P3 98.5% (CIE1976)

Contrast Ratio (Typ.): 1500000:1

Curvature: 800R

Panel Type: OLED

Refresh Rate (Max.) [Hz]: 240

Resolution: 3440 x 1440

Response Time: 0.03ms (GtG)

Size [Inch]: 39

Viewing Angle (CR≥10): 178º(R/L), 178º(U/D)

FEATURES

AMD FreeSync™: FreeSync Premium

Auto Brightness: YES

Black Stabilizer: YES

Color Calibrated in Factory: YES

Crosshair: YES

Dynamic Action Sync: YES

FPS Counter: YES

HDR 10: YES

HDR Effect: YES

NVIDIA G-Sync™: G-SYNC Compatible

PBP: 2PBP

PIP: YES

RGB LED Lighting: Hexagon Lighting

Smart Energy Saving: YES

User Defined Key: YES

VESA DisplayHDR™: DisplayHDR™400 TRUE BLACK

VRR: YES

INFO

Product name: Smart UltraGear OLED

Year: 2025

CONNECTIVITY

DisplayPort: YES(1ea)

HDMI: YES(2ea)

DP Version: 1.4 (DSC)

USB-C: YES(1ea)

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)

POWER

AC Input: 100~240V (50/60Hz)

Type: External Power(Adapter)

Power Consumption (DC Off): Less than 0.5W

Power Consumption (Sleep Mode): Less than 0.5W

MECHANICAL

Display Position Adjustments: Tilt/Height/Swivel

Wall Mountable [mm]: 100 x 100 mm

ACCESSORY

Display Port: YES

HDMI: YES (ver 2.1)

USB-C: YES

Remote Controller: YES

DIMENSIONS/WEIGHTS

Weight without Stand [kg]: 7.30kg

Weight with Stand [kg]: 11.45kg

Dimension without Stand (W x H x D) [mm]: 887.8 x 404.4 x198.0mm

Dimension with Stand (W x H x D) [mm]: 887.8 x 605.7 x 322.8mm

SOUND

Speaker: 7W x 2

Bluetooth Connectivity: YES

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