LG UltraGear OLED 45GX900A-B
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45 inches - Wide QXGA - 240Hz - OLED - Curved
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LG UltraGear OLED 45GX900A-B
Choose your monitor:
45 inches - Wide QXGA - 240Hz - OLED - Curved
Choose your monitor
According to our monitor expert
Keep an overview of the playing field of your favorite game with the LG UltraGear OLED 45GX900A-B 45-inch curved ultrawide gaming monitor. Thanks to the large ultrawide screen, you can see even more of your favorite game. The curved screen also bends around your field of view. You can enjoy sharp images thanks to the Wide QXGA resolution. Thanks to the OLED panel, you can enjoy more color differences between light and dark colors. Because shadows and dark areas in your game look truly dark, your game looks even more realistic. You can game with smooth images thanks to the 240Hz refresh rate. You're also less bothered by blurry effects when you're moving quickly in your game thanks to the low 0.03ms response time. You can tilt the screen or adjust it in height, so you can game comfortably without pain in your neck or back. Have an NVIDIA or AMD video card? G-SYNC or FreeSync adjusts the frames per second of your video card to the refresh rate of your monitor. This way, you're less bothered by screen tearing.
Sharpness | WQXGA | |
Curved | ||
Aspect ratio | Ultrawide (21:9) | |
Refresh rate | 240 Hz | |
Response time | 0,03 ms | |
Panel type | OLED | |
Color depth | 1 billion colors (10-bit) | |
Built-in speakers |
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I've been searching for a really good ultrawide monitor for a long time. I always had an eye for LG ultrawide monitors, but the pixel density and resolution issues with previous models held me back. This monitor has definitely taken a step up in terms of pixel density (50% more than previous models) and 5120 x 2160 resolution. 45 inches is really quite large, so make sure your desk has enough space. HDR color reproduction is truly excellent! SDR isn't too bad in terms of color; some colors weren't quite as accurate, but using the Nvidia app to convert SDR videos to HDR content, the colors are reasonably accurate. The dual mode has eight different modes you can set, including the lower resolution (2560 x 1080) for gaming at 330 Hz. For 5120 x 2160 gaming at 165 Hz, you'll need a powerful graphics card with at least 16 GB of VRAM. If you have a slightly lower resolution, you can game at 3440 x 1440, but the 165Hz setting remains the same.
I also noticed that both sides of the monitor dim slightly more than the center, especially the HUD layout. This isn't a bug, but normal. It's not excessive, as most of the screen is visible from the center. It does brighten up at certain times. This is my first OLED monitor, so I'm not sure if others have the same issue, but after extended use, the monitor automatically performs an image cleanup to prevent burn-in when the PC shuts down.
Xavier
8 September 2025
Automatically translated from Dutch
Yes, fantastic monitor that is extremely suitable for both programming and gaming.
Jody
3 November 2025
Automatically translated from Dutch
I don't like it because it's more at home on the cockpit of the USS Enterprise than on my desk
Alex
10 September 2025
Automatically translated from Dutch
Current product
Â
Â
1.639,-
1.849,-
1.749,-
240 Hz
240 Hz
330 Hz
WQXGA
4K (UHD)
WUXGA
OLED
VA panel
OLED
0,03 ms
1 ms
0,03 ms
Receive more coverage in case of damage than with your standard warranty. Coolblue takes care of everything: from taking out the insurance to repairs. Is a repair not possible? You receive the purchase price as CoolblueCredit.
XCover is allowed to arrange and process insurances on behalf of the insurer. The insurances are governed by Belgium law. If you have a complaint, you can contact the or our customer service.
First, add your monitor to your shopping cart. On the next page, choose the Protection Plan below. You always have a 30-day return window and pay no deductible in case of damage.
The insurance can be canceled every year, even if you have paid in advance. If you cancel earlier, you will receive a refund for the overpaid amount.
Product number | 969790 | |
Manufacturer code | 45GX900A-B.AEU | |
Brand | LG | |
Warranty | 2 years | |
Processing of your defect | Via Coolblue |
Recommended display resolution | 3440x1440 | |
Sharpness | WQXGA | |
Aspect ratio | Ultrawide (21:9) | |
Refresh rate | 240 Hz | |
Response time | 0,03 ms | |
Panel type | OLED | |
Local dimming | ||
HDR support | ||
Contrast ratio | 1500000 | |
Touchscreen | ||
Type of HDR | DisplayHDR 400 True Black, HDR10 | |
Screen reflection | Anti-glare | |
Blue light filter | ||
Flicker-free technology | ||
Color space | DCI-P3 | |
Color depth | 1 billion colors (10-bit) | |
Adaptive Sync | ||
Type of adaptive sync | Freesync Premium Pro, G-Sync Compatible | |
Resolution width | 3440 pixels | |
Resolution height | 1440 pixels | |
Anti-reflection type | Anti glare | |
Horizontal viewing angle | 178 ° |
Height | 66,17 cm | |
Width | 99,27 cm | |
Depth | 33,86 cm | |
Weight | 13,5 kg | |
Color | Black | |
Including stand | ||
Material | Plastic | |
Cable management | ||
Appearance | Business, Neutral | |
Curved | ||
Screen curve | 800 R |
Number of HDMI connectors | 2 | |
Number of Female HDMI type A 2.1 ports | 2 | |
Number of USB-C ports | 1 | |
Number of Female Standard DisplayPort 1.4 ports | 1 | |
Number of female standard USB-A ports | 2 | |
Female standard USB-A port version | 3.0 | |
Type of USB port | Standard USB-A, USB-C | |
Number of USB ports | 3 | |
Suitable for daisy chaining | ||
Maximum USB-C dock power | 65 W |
Included by default | DisplayPort cable, HDMI cable, USB-C cable |
Adjustable in height | ||
Tiltable | ||
Pivotable stand | ||
Pivot function | ||
VESA mount option | ||
VESA mount | 100x100mm |
Energy label | F | |
Energy consumption standby | 0,5 W | |
Energy consumption active | 41 W | |
Energy consumption per 1000h | 41 kWh | |
Annual energy consumption | 59,86 kWh | |
Annual energy costs | 23,94 euros |
Built-in speakers | ||
Sound system | Stereo | |
Webcam | ||
Split screen | ||
Kensington lock |
Recommended for use | Gaming, Internet, email, and text processing, Watching movies in Full HD |
