The Corsair XENEON FLEX 45WQHD240 is a high-end 45-inch OLED gaming monitor. It's the biggest option in Corsair's lineup, with the Corsair XENEON 34WQHD240-C and the Corsair XENEON 27QHD240 as the smaller options. With a 3440x1440 resolution and 240Hz refresh rate, it uses a panel from LG Display, like the LG 45GR95QE-B, but the main difference is that it has a bendable screen that you can adjust up to a curve of 800R. It has typical gaming features, like HDMI 2.1 bandwidth and FreeSync and G-SYNC Compatibility VRR. It even has productivity features like a KVM switch and a USB-C port with DisplayPort Alt Mode. As it's an OLED panel, it has a few settings to reduce the risk of permanent burn-in, and Corsair advertises a warranty for OLED burn-in, but there are limitations to its warranty.
Our Verdict
The Corsair XENEON FLEX is excellent for PC gaming. It has a high 240Hz refresh rate for a smooth gaming experience. Its response time is near-instantaneous, resulting in minimal motion blur, and it also has low input lag for a responsive feel, but it increases at lower refresh rates. It even has FreeSync VRR support and G-SYNC compatibility to reduce screen tearing. Lastly, it's a fantastic choice for dark room gaming as it displays deep and inky blacks in the dark, and there isn't any blooming around bright objects either. However, there are some drawbacks, as it has distracting VRR flicker, and it struggles to properly display bright colors in HDR.
Bendable 45-inch screen.
- 240Hz refresh rate and VRR support.
- Near-instantaneous response time.
Perfect black levels in dark rooms.
Makes small highlights pop in HDR.
- Input lag increases at low refresh rates.
Tone mapping issues; can't properly display bright colors.
Distracting VRR flicker.
The Corsair XENEON FLEX is excellent for console gaming. It supports most signals and features with the PS5, PS5 Pro, and Xbox Series X|S, but because consoles don't support ultrawide gaming, you'll see black bars on the sides. Motion looks sharp, but its input lag is higher than expected, so it isn't the most responsive for playing reaction-based games. On the plus side, it has excellent picture quality with deep blacks in dark rooms, and no blooming around bright objects. However, it struggles to make bright colors look vivid.
- Near-instantaneous response time.
Perfect black levels in dark rooms.
Supports most signals with consoles.
Makes small highlights pop in HDR.
- Input lag increases at low refresh rates.
Tone mapping issues; can't properly display bright colors.
The Corsair XENEON FLEX is mediocre for work. While its 45-inch screen is big enough to open multiple windows simultaneously, it has low pixel density, resulting in mediocre text clarity. This means that text is blurry, and you may need to increase the scaling to make it bigger. You can adjust the screen's curve to your liking, but its stand doesn't offer many ergonomic adjustments, as you can only tilt it. It doesn't get bright enough to fight intense glare, too, but it has great reflection handling. Lastly, OLEDs are prone to burn-in when exposed to the same static elements over time, like if you always leave icons or taskbars on the screen.
Bendable 45-inch screen.
Great reflection handling.
- Wide viewing angles.
Risk of burn-in.
- Low pixel density results in mediocre text clarity.
- Not bright enough to fight intense glare.
- Terrible ergonomics.
The Corsair XENEON FLEX is great for content creation, with some limitations. Its 45-inch screen makes it easy to see more of your work at once, like if you have a big video timeline that you need to work through. However, it has low pixel density, and images and text aren't sharp. OLED panels are also prone to burn-in with exposure to the same static elements over time, like if you have icons open on the screen all day. On the plus side, it has excellent accuracy in its sRGB mode and displays a wide range of colors in SDR. However, it has tone mapping issues in HDR, and struggles to properly display bright colors.
Bendable 45-inch screen.
- Wide viewing angles.
Perfect black levels in dark rooms.
Excellent accuracy in sRGB mode.
Makes small highlights pop in HDR.
Risk of burn-in.
- Low pixel density results in mediocre text clarity.
- Not bright enough to fight intense glare.
- Terrible ergonomics.
Tone mapping issues; can't properly display bright colors.
The Corsair XENEON FLEX 45WQHD240 has okay brightness. It makes highlights pop in HDR, but it doesn't get bright enough to fight really intense glare.
Makes small highlights pop in HDR.
- Not bright enough to fight intense glare.
The Corsair XENEON FLEX has a near-instantaneous response time for incredibly sharp motion.
- Near-instantaneous response time.
The Corsair XENEON FLEX 45WQHD240 has excellent HDR picture quality. It displays deep and inky blacks in dark rooms without any blooming. While it displays a wide range of colors, it struggles to display bright colors properly.
Perfect black levels in dark rooms.
Tone mapping issues; can't properly display bright colors.
The Corsair XENEON FLEX has outstanding SDR picture quality. It displays a wide range of colors, and has a near-infinite contrast ratio for deep blacks in dark rooms.
Perfect black levels in dark rooms.
The Corsair XENEON FLEX 45WQHD240 has amazing color accuracy. It comes with an accurate sRGB mode, but it still benefits from a full calibration to fix any issues.
Excellent accuracy in sRGB mode.
Gamma is off before calibration.
Performance Usages
Changelog
- Updated Jan 23, 2026: We've converted this review to Test Bench 2.1.1. We removed the Vertical Viewing Angle test.
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Updated Aug 08, 2025:
We clarified the height to the top of the screen on its stand.
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Updated Jun 13, 2025:
We updated text throughout to match the new and updated tests with Test Bench 2.1, including in the Verdict section.
- Updated Jun 13, 2025: We've converted this review to Test Bench 2.1. This includes new tests for Direct Reflections, Ambient Black Level Raise, and Total Reflected Light. You can see all the changes in the changelog.
Check Price
Differences Between Sizes And Variants
We tested the 45-inch Corsair XENEON FLEX 45WQHD240, which is the only size available for this model. Corsair also has the 27-inch Corsair XENEON 27QHD240 monitor available, which is another OLED, but the results of this review aren't valid for it as it's a completely different monitor.
| Model | Size | Panel Type | Resolution | Max Refresh Rate | Curve |
|---|---|---|---|---|---|
| 45WQHD240 | 45" | OLED | 3440x1440 | 240Hz | 0-800R |
You can see our unit's label, and we tested it with firmware V110.
Popular Monitor Comparisons
The Corsair XENEON FLEX is a 45-inch ultrawide gaming monitor whose bendable screen is meant for people who want to switch between a curved and flat monitor. It competes against other displays with the same size, like the LG 45GR95QE-B, but its bendable screen gives it a unique position in the market. It's an excellent gaming monitor with a high 240Hz refresh rate and sharp motion handling, and it combines that with excellent picture quality thanks to its OLED panel. Besides its slightly increased input lag at 60Hz, it has most features you'd expect in a high-end gaming monitor. However, there are some drawbacks to it that don't make it versatile, like its low pixel density and mediocre text clarity, so images aren't as sharp as on a 45-inch monitor with a 5k2k resolution, like the LG 45GX950A-B. It also doesn't display bright colors as vividly as on QD-OLEDs, like the MSI MEG 342C QD-OLED, so you can get better picture quality with a smaller QD-OLED.
See our recommendations for the best ultrawide gaming monitors, the best 240Hz monitors, and the best 34-49 inch monitors.
The Corsair XENEON FLEX 45WQHD240 and the LG 45GR95QE-B are similar monitors that use the same panel, so they perform nearly the same. The main difference is that the Corsair has a bendable screen, while the LG has a fixed 800R curve. The Corsair also has a few extra productivity features, like a KVM switch and USB-C ports, both of which the LG doesn't have.
The LG 45GX950A-B and the Corsair XENEON FLEX 45WQHD240 are both 45-inch ultrawide OLED gaming monitors. The main difference is that the LG has a higher 5k2k resolution, so images are sharper and more detailed. Although the LG has a lower 165Hz native refresh rate than the 240Hz on the Corsair, it has a Dual-Mode that switches it to a 330Hz refresh rate with a 2560x1080 resolution. The LG also has other advantages, like the fact that it gets brighter, has lower input lag, and supports DisplayPort 2.1 bandwidth.
The Samsung Odyssey G9 C49G95T and the Corsair XENEON FLEX 45WQHD240 are different types of ultrawide gaming monitors. The Samsung has a wider screen, known as super ultrawide, with a 32:9 aspect ratio, but the Corsair still offers more screen space. They each have different panel types as well, as the Corsair has an OLED panel with much better picture quality thanks to its deeper blacks and no blooming, but the Samsung gets brighter, which is great if you want to use it in a well-lit room. Lastly, they each have curved screens, but the Corsair has an adjustable screen, so you can set the curve to your liking.
The Samsung Odyssey OLED G85SB S34BG85 and the Corsair XENEON FLEX 45WQHD240 are both fantastic OLED gaming monitors with a few differences. The Samsung has a smaller screen, but because they have the same resolution, the Corsair has lower pixel density and worse image sharpness. The Samsung also has a QD-OLED panel that gets brighter and delivers more vivid colors than the Corsair for an improved HDR experience. On the other hand, the Corsair has a higher 240Hz refresh rate and a bendable screen that lets you adjust its curve to your liking.
We buy and test more than 30 monitors each year, all of which we purchase ourselves, without cherry-picked units or samples. We put a lot into each unbiased, straight-to-the-point review, and there's a whole process from purchasing to publishing, involving multiple teams and people. We do more than just use the monitor for a week; we use specialized, custom tools to measure various aspects and deliver objective, data-driven results. We also consider multiple factors before making any recommendations, including the monitor's cost, its performance compared to the competition, and whether it's easy to find.
Test Results
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