LG UltraGear GX9 5K2K 45GX950A-B 45" WOLED 5120x2160 165Hz 0.03ms FreeSync G-Sync Compatible USB-C HDMI 2.1 DP 2.1 800R Curved Ultrawide Gaming Monitor

Manufacturer: LG | Model: 45GX950A-B.AEK | Product ID: 3281
£1948.13 (inc. VAT)
10 in stock
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Product Technical Specification

Efficiency Class
EU Energy Efficiency ClassF

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Estimated delivery date: Sun 07th Dec 2025 to Wed 10th Dec 2025
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5K2K UltraGear OLED GX9 : 45GX950A Product Introduction | LG

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45" LG UltraGear™ OLED 45GX950A-B Gaming Monitor, 800R curve, 5K2K resolution, 165Hz refresh rate, Black.

DISPLAY

45-inch 5K2K OLED (5120x2160)
21:9 Curved 800R
DisplayHDR True Black 400 & DCI-P3 98.5%
125 PPI

SPEED

0.03ms (GtG) response time
Dual-Mode (WUHD 165Hz ↔ WFHD 330Hz)
DisplayPort 2.1 & USB-C (PD 90W)

TECHNOLOGY

NVIDIA® G-SYNC® Compatible
VESA Certified AdaptiveSync
AMD FreeSync™ Premium Pro

World's first 5K2K OLED

The world's first 45-inch 5K2K (5120x2160) OLED display provides a 33% increase in pixel count over UHD (3840x2160)1) and also offers a 50% larger screen space2) compared to DQHD(5120X1440). This 5K2K OLED provides darker shadows, brigher lights and vibrant colours while gaming in any environment.

Brightest OLED

Experience stunning visuals with LG WOLED. Built on LG's OLED leadership and featuring Micro Lens Array+ (MLA+) technology, it delivers up to 37.5% brighter SDR, optimizing light efficiency and minimizing loss. It represents a standard luminosity of 275 nits (APL 100%) and a peak brightness of 1300 nits (APL 1.5%). With Delta E ≦ 2 colour accuracy, it ensures vivid, true-to-life colours for immersive, precise gaming even in bright environments.

Go wide. Not short.

The 21:9 UltraWide sweet spot for gaming

No more fisheye experience to take in both sides of the 49-inch 32:9 ratio display at a glance due to excessively wide horizontal and insufficiently short vertical resolutions. The 45-inch 21:9 curved OLED monitor offers a 50% larger screen space1) compared to DQHD (5120X1440) and this balanced, optimised ratio creates immersive and captivating gameplay. Once you experience the 45-inch 21:9 sweet spot, you'll never go back to shorter.

The ideal curvature 800R

Immerse in the 800R curve for a consistent FOV (Field of View) on a desk designed to match natural sight, placing you at the core of its curvature. With a consistent 90-degree viewing angle across the entire screen, it delivers vivid, distortion-free graphics as you explore the gaming universe.

Deeper black, realistic colour

Experience unparalleled depth and vibrant realism with VESA DisplayHDR true black 400, delivering detailed black expression even in the darkest scenes. With a 1.5M contrast ratio, DCI-P3 98.5% (typical) colour gamut, and Delta E ≦2 colour accuracy ensures that colours are displayed with realistic detail, just as originally intended.

Advanced eye comfort technologies by three UL verifications

Featuring an anti-glare finish, LG WOLED’s advanced eye comfort technologies minimize frustrating reflections and keep your eyes comfortable, delivering crystal-clear gaming performance with consistent clarity. With UL verifications in key areas—limiting harmful blue light exposure and preventing distractions from flickering lights—these technologies promote visual comfort and contribute to a smoother gaming experience, whether you’re gaming in bright environments or LED-lit rooms.

125 PPI, enhanced readability

Boasting 125 PPI (Pixels Per Inch) and an RGWB subpixel layout, it delivers a precise gaming experience, ensuring you catch every crucial detail. Plus, it also makes productivity tasks, like editing documents or website content, more readable.

Dual-Mode with selectable 8 options switches between 330 Hz-165Hz

With VESA Certified Dual-Mode, seamlessly switch between WUHD 165Hz for graphically rich games and WFHD 330Hz for fast-paced action. Enjoy Dual-Mode with selectable 8 options and easily choose your favourite screen size among two refresh rate (165Hz, 330Hz) through the On-Screen Display. Plus, you can easily switch between a physical hotkey or keyboard shortcut via LG Switch, optimizing gameplay across all genres.

0.03ms (GtG), incredible speed

Experience lightning-fast 0.03ms (GtG) response time, minimizing ghosting for sharp, clear visuals. Stay ahead in every game with unmatched speed and smooth motion.

The latest DisplayPort 2.1 for blazing fast gameplay

Enhance your gaming and productivity with the new DisplayPort 2.1, delivers 165Hz high-speed gaming at 5K2K resolution. The USB-C supports display, data transfer, and 90W device charging simultaneously, providing seamless laptop support all through a single cable. Enjoy faster and smoother performance for both work and play.

Plunge into the world of PC and console gaming!

LG UltraGear™ monitors deliver smooth, responsive gameplay for both PC and console, whether you're diving into fast-paced action or exploring vast open worlds. With HDMI 2.1 support, they offer flexible compatibility—from keyboard and mouse to joystick—along with fluid motion, low latency, and vibrant details for an optimized gaming experience across various genres and platforms.

Certified with a widely adopted technology

Powered by AMD FreeSync™ Premium Pro, NVIDIA-validated G-SYNC® compatibility, and VESA AdaptiveSync™ certification, this monitor ensures tear-free, ultra-smooth visuals and low latency, delivering unmatched gaming precision and fluidity.

Immerse yourself in 10Wx2 Rich Bass

Experience rich bass-driven sound with 10W x 2 stereo speakers, enhancing your immersion. For a more personal experience, easily connect a headset via the 4-pole headphone out and enjoy realistic 3D audio with DTS Headphone:X. This is a crucial advantage for FPS games, where team communication and directional sound are essential during voice chat.

Maximise your productivity with a single 5K2K UltraWide canvas

UltraGear isn’t just for gaming — its expansive 5K2K resolution with 125 PPI delivers sharp, detailed visuals that are ideal for creators and multitaskers alike. While a typical 16:9 dual or triple monitor setup can lead to interruptions in your view due to bezels between displays, a wider 21:9 aspect ratio allows you to manage your entire workflow on a single screen. Whether you're retouching photos, editing videos, or searching for references, everything stays visible.

Protecting OLED via On-Screen Display

Through On-Screen Display, you adjust OLED brightness and enable protection settings to prevent afterimages or burn-in, allowing you to enjoy superior OLED picture quality for longer. Plus, gamers can also easily customize their gaming setup for optimal performance.

Seamless gameplay powered by LG Switch

The LG Switch app optimizes your monitor for both gaming and everyday life. Effortlessly customize your preferred image quality and brightness, then apply your settings instantly with a hotkey. Plus, you can switch between 330Hz-165Hz with dual-mode, split the display into 11 options and quickly launch your video call platform, making it even more convenient.

LG Switch app tutorial

Adjust your monitor settings effortlessly with LG Switch app. Advanced gaming features:

  • Dynamic Action Sync reduces input lag for real-time response.
  • Black Stabilizer brightens dark scenes, helping gamers spot enemies and details.
  • Crosshair enhances precision for deadly accuracy.
  • FPS Counter shows your real-time frame rate.

Clutter-free, sleek design

The clutter-free L-stand and sleek design are crafted to save desk space and minimize dead zones, making your setup clean and efficient. Experience hexagon lighting and a virtually borderless 4-sided design, paired with a fully adjustable base for swivel, tilt, and height adjustments.

For more information on OLED monitors, check out our Gaming Monitor Guide on the Overclockers UK Blog or speak to our friendly sales team.


Specifications

Product name UltraGear
Year Y25
Size [Inch] 44.5
Size [cm] 113
Resolution 5120 x 2160
Panel Type OLED
Aspect Ratio 21:9
Pixel Pitch [mm] 0.2035 mm × 0.2035 mm
Colour Gamut (Min.) DCI-P3 94.0% (CIE1976)
Colour Gamut (Typ.) DCI-P3 98.5% (CIE1976)
Colour Depth (Number of Colours) 1.07B
Contrast Ratio (Min.) 1200000:1
Contrast Ratio (Typ.) 1500000:1
Response Time 0.03ms (GTG)
Refresh Rate (Max.) [Hz] 165
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
HDR 10 YES
VESA DisplayHDR™ DisplayHDR™400 TRUE BLACK
HDR Effect YES
Colour Calibrated in Factory YES
HW Calibration HW Calibration Ready
Reader Mode YES
Colour 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
Auto Input Switch YES
RGB LED Lighting Unity Hexagon Lighting
PBP 2PBP
PIP YES
Smart Energy Saving YES
Others (Features) VESA DSC Tech, 4way Joystick, Delta E>2
LG Calibration Studio (True Colour Pro) YES
Dual Controller YES
HDMI YES(2ea)
DisplayPort YES(1ea)
DP Version 2.1 (DSC)
USB-C YES(1ea)
USB-C (Max. Resolution at Hz) 5120 x 2160@165Hz
USB-C (Data Transmission) YES
USB-C (Power Delivery) 90W
USB Upstream Port YES(via USB-C)
USB Downstream Port YES(2ea/ver3.0)
Headphone out 4-pole (Sound+Mic)
Speaker 10W x 2
DTS HP:X YES
Rich Bass YES
Type External Power(Adapter)
AC Input 100~240V (50/60Hz)
Power Consumption (Sleep Mode) Less than 0.5W
Power Consumption (DC Off) Less than 0.3W
DC Output 20.0V / 18.0A
Display Position Adjustments Tilt/Height/Swivel
Wall Mountable [mm] 100 x 100mm
Dimension with Stand (W x H x D) [mm] 991.6 x 665.6 x 342mm (UP)
991.6 x 545.6 x 342mm (Down)
Dimension without Stand (W x H x D) [mm] 991.6 x 460.7 x 225.5mm
Dimension in Shipping (W x H x D) [mm] 1142 x 301 x 564mm
Weight with Stand [kg] 14kg
Weight without Stand [kg] 9.4kg
Weight in Shipping [kg] 20.5kg
HDMI YES (ver 2.1)
USB-C YES
Display Port YES (ver 2.1)
Others (Accessory) Door, Mouse holder
Adapter YES
Calibration Report (Paper) No
HDMI (Colour/Length) Black / 1.8m
Power Cord YES
Efficiency Class
EU Energy Efficiency ClassF

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For items opened and used and that are returned in a resellable condition.

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Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;

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Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

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Does my item have to include its original packaging?
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