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.
LG UltraGear™ GX9s | 39-inch OLED Smart Gaming Monitor powered by webOS
39GX90SB-W
Metro customers will receive an SMS message from the carrier to book delivery.
Regional customers will receive a phone call from the carrier to book delivery.
Shipping delays may occur due to the delivery company’s circumstance.

- 39-inch WQHD (3440x1440) OLED display
- 240Hz refresh rate/ 0.03ms (GtG) response time
- webOS
- AI Picture Pro / AI Sound Pro / LG Shield
- NVIDIA® G-SYNC® Compatible / AMD FreeSync™ Premium Pro / VESA Certified AdaptiveSync
- Security updates received until 31-December 2030
All Spec
ACCESSORY
Adapter
YES
Calibration Report (Paper)
YES
Display Port
YES
HDMI
YES(2ea)
HDMI (Colour/Length)
White / 1.5m
Others (Accessory)
Door, Mouse holder, USB-C Cable Holder
Power Cord
YES
Remote Controller
YES
USB-C
Yes (1Up)
DIMENSIONS/WEIGHTS
Dimension in Shipping (W x H x D) [mm]
985 x 338 x 550mm
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
Weight in Shipping [kg]
17.5kg
Weight with Stand [kg]
11.45kg
Weight without Stand [kg]
7.30kg
DISPLAY
Size [Inch]
39
Panel Type
OLED
Size [cm]
99.1
Aspect Ratio
21:9
Surface Treatment
Anti-Glare, Low-Reflection of the front polarizer
Response Time
0.03ms (GTG)
Resolution
3440 x 1440
Pixel Pitch [mm]
0.266 x 0.266mm
Colour Depth (Number of Colours)
1.07B
Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)
Brightness (Typ.) [cd/m²]
275cd/m²
Contrast Ratio (Typ.)
1500000:1
Colour Gamut (Typ.)
DCI-P3 98.5% (CIE1976)
Curvature
800R
Colour Gamut (Min.)
DCI-P3 94% (CIE1976)
Refresh Rate (Max.) [Hz]
240
Brightness (Min.) [cd/m²]
250cd/㎡
Contrast Ratio (Min.)
1200000:1
Colour Bit
10bit
FEATURES
HDR 10
YES
AMD FreeSync™
FreeSync Premium Pro
Auto Brightness
YES
Colour Weakness
YES
Smart Energy Saving
YES
Colour Calibrated in Factory
YES
PIP
YES
PBP
2PBP
NVIDIA G-Sync™
G-SYNC Compatible
Dynamic Action Sync
YES
Black Stabiliser
YES
Crosshair
YES
FPS Counter
YES
VRR
YES
VESA DisplayHDR™
DisplayHDR™400 TRUE BLACK
User Defined Key
YES
RGB LED Lighting
Unity Hexagon Lighting
HDR Effect
YES
VESA Adaptive Sync
YES
INFO
Product name
LG UltraGear
Year
2026
MECHANICAL
Display Position Adjustments
Tilt/Height/Swivel
Borderless Design
4-Side Virtually Borderless Design
Wall Mountable [mm]
100 x 100
OneClick Stand
YES
POWER
Power Consumption (Sleep Mode)
Less than 0.5W
Power Consumption (DC Off)
Less than 0.5W
AC Input
100~240V (50/60Hz)
DC Output
20V, 13.5A
Power Consumption (On-Mode)
Power Consumption (On-Mode)
Power Consumption (On-Mode) (ErP)
36W
STANDARD
UL (cUL)
YES
CE
YES
CONNECTIVITY
Headphone out
3-pole (Sound Only)3-pole (Sound Only)
HDMI
YES(2ea)
DisplayPort
YES(1ea)
DP Version
1.4 (DSC)
USB-C
Yes (1Up)
LAN (RJ-45)
YES
USB Downstream Port
YES(2ea/ver2.0)
USB Upstream Port
YES(via USB-C)
USB-C (Max. Resolution at Hz)
3440x1440@240Hz
USB-C (Power Delivery)
65W
COMPLIANCE INFORMATION
Successfully added to your cart
You have exceeded the orderable quantity
The quantity you have added to basket exceeded the salable quantity
Select Preferred Delivery Time
Installation Service is required. Please choose service
Select used collection
Please enter your Postcode
Select Preferred Delivery Time
This order can't be shipped to the delivery address you entered. Contact Support for more information.
Select Add on Bundle option
Please select a time slot.
Please select a delivery option
I confirm that I have checked all access points to my property (including doorways, hallways, staircases, and lifts) and the final installation space (if applicable) to ensure this appliance will fit. This includes checking dimensions, clearances, and any restrictions. I understand that if delivery and/ or installation cannot be completed due to insufficient space or access, additional delivery and/or return charges may apply.





































