We use cookies, including cookies from third parties, to enhance your user experience and the effectiveness of our marketing activities. These cookies are performance, analytics and advertising cookies, please see our Privacy and Cookie policy for further information. If you agree to all of our cookies select “Accept all” or select “Cookie Settings” to see which cookies we use and choose which ones you would like to accept.
39" LG UltraGear™ OLED Gaming Monitor, 240Hz Refresh Rate, WQHD Resolution, webOS, 0.03ms (GtG) Response Time, White
39GX90SA-W
Orders for the Scottish Islands and remote areas will be delivered by 3PL. The 3PL will contact you to arrange a suitable delivery date.
Delivery fees vary by postcode and may include additional charges for Highland or remote areas. Final shipping costs will be confirmed at checkout.
Further information regarding delivery can be found in our Delivery Terms and Conditions.
- Section 1
- Section 2
Are you sure you want to remove the coupon?

- 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 Spec
INFO
Product name
39GX90SA-W
Year
2025
DISPLAY
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
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
Less than 1ms GtG
Refresh Rate (Max.) [Hz]
240
Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)
Curvature
800R
Brightness (Min.) [cd/m²]
250cd/m²
Brightness (Typ.) [cd/m²]
275cd/m²
Colour Bit
10bit
FEATURES
HDR 10
YES
Dolby Vision™
NO
VESA DisplayHDR™
DisplayHDR™400 TRUE BLACK
HDR Effect
YES
Mini-LED Technology
NO
Nano IPS™ Technology
NO
Advanced True Wide Pol.
NO
Color Calibrated in Factory
YES
HW Calibration
NO
Auto Brightness
YES
Flicker Safe
NO
Reader Mode
YES
Color Weakness
NO
Super Resolution+
NO
Motion Blur Reduction Tech.
NO
NVIDIA G-Sync™
G-SYNC Compatible
AMD FreeSync™
FreeSync Premium
VRR
YES
Black Stabilizer
YES
Dynamic Action Sync
YES
Crosshair
YES
FPS Counter
YES
OverClocking
NO
User Defined Key
YES
Auto Input Switch
NO
RGB LED Lighting
Hexagon Lighting
PBP
2PBP
PIP
YES
Smart Energy Saving
YES
Camera
NO
Mic
NO
Others (Features)
NO
SW APPLICATION
LG Calibration Studio (True Color Pro)
NO
Dual Controller
NO
OnScreen Control (LG Screen Manager)
NO
LG UltraGear™ Studio
NO
CONNECTIVITY
D-Sub
NO
DVI-D
NO
HDMI
YES(2ea)
DisplayPort
YES(1ea)
DP Version
1.4 (DSC)
Thunderbolt
NO
USB-C
YES(1ea)
USB-C (Max. Resolution at Hz)
3440x1440@240Hz
USB-C (Data Transsmission)
YES
USB-C (Power Delivery)
65W
Daisy Chain
NO
USB Upstream Port
YES(via USB-C)
USB Downstream Port
YES(2ea/ver2.0)
Built-in KVM
NO
LAN (RJ-45)
YES
SPDIF out (Optical Digital Audio Out)
NO
Audio In
NO
Mic In
NO
Headphone out
3-pole (Sound Only)
Line out
NO
SOUND
Speaker
7W x 2
DTS HP:X
NO
Maxx Audio
NO
Rich Bass
NO
Bluetooth Connectivity
YES
POWER
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
DC Output
13.5A
MECHANICAL
Display Position Adjustments
Tilt/Height/Swivel
DIMENSIONS/WEIGHTS
Dimension with Stand (W x H x D) [mm]
887.8 x 605.7 x 322.8mm
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
ACCESSORY
D-Sub
NO
DVI-D
NO
HDMI
YES (ver 2.1)
Thunderbolt
NO
USB-C
YES
Display Port
YES
USB A to B
NO
Remote Controller
YES
Adapter
YES
Calibration Report (Paper)
YES
HDMI (Color/Length)
White / 1.5m
Power Cord
YES
COMPLIANCE INFORMATION
Successfully added to your basket
You have exceeded the orderable quantity
Select Delivery Option
Installation Service is required. Please choose service
Select used collection
Please enter your postal code.
Select Delivery Option
This order can't be shipped to the delivery address you entered. Contact Support for more information.
Please select a time slot.