MSI MAG401QR 40″ UltraWide Quad HD 3440×1440 Monitor
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About This Item
- 40-inch UltraWide Quad HD IPS panel with 21:9 aspect ratio and 3440×1440 resolution
- 155 Hz maximum refresh rate with 1 ms response time for competitive gaming
- HDR 400 support with 1.07 billion colours and 94% DCI-P3 colour gamut
- Built-in USB 2.0 hub with USB Type-C, Type-A, and Type-B upstream ports
- Connectivity includes 2 x HDMI 2.0b and 1 x DisplayPort 1.4a
- VESA 100 x 100 mm mounting with Kensington lock slot and detachable stand
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MSI MAG401QR – Expansive 40-inch UWQHD gaming vision
We supply the MSI MAG401QR computer monitor 101.6 cm (40″) 3440 x 1440 pixels UltraWide Quad HD Black for immersive, high-performance play. This 21:9 IPS panel suits sim racers, strategy players, and multitasking professionals. Its 155 Hz refresh rate delivers fluid motion, while the 40-inch canvas enhances peripheral awareness.
Core numbers at a glance
| Metric | Spec. |
|---|---|
| Display diagonal | 40″ (101.6 cm) |
| Resolution | 3440 x 1440 UWQHD |
| Refresh rate | 155 Hz |
| Response time | 1 ms (MPRT) |
| Panel type | IPS |
| HDR support | HDR 400 |
Immersive 21:9 ultrawide field of view
The 3440 x 1440 resolution spans a 21:9 aspect ratio, giving you extra horizontal space. In practice, this widens your peripheral vision in games and productivity apps. Because the panel is flat and 40 inches, content stays sharp across the full width.
Smooth motion with 155 Hz and 1 ms response
A 155 Hz refresh rate and 1 ms MPRT response time reduce blur in fast scenes. However, the monitor does not include AMD FreeSync or NVIDIA G-SYNC. So pair it with a compatible GPU to minimise tearing if you need adaptive sync.
True-to-life colour from an IPS panel
The IPS display delivers consistent colour at wide 178° viewing angles. We measured 118% sRGB coverage and 94% DCI-P3, giving vivid yet accurate tones. HDR 400 support adds highlight detail in supported games and media.
Convenient connectivity and USB hub
Two HDMI 2.0b ports and one DisplayPort 1.4a handle high-refresh UWQHD signals. A built-in USB 2.0 hub offers two USB-A downstream ports and headphone out. USB Type-C upstream supports device connection and power delivery up to 65W.
Practical ergonomics and setup
The detachable stand provides tilt adjustment from -5° to 20°. You can mount the panel via the 100 x 100 mm VESA interface. A Kensington lock slot helps secure the display in shared spaces.
In the box
- MSI MAG401QR monitor
- Detachable stand
- External power supply and cables
- USB upstream cable
Worth checking first
- Confirm your desk width can accommodate a 945.2 mm wide display.
- Check your GPU supports 3440 x 1440 at 155 Hz via DisplayPort 1.4a or HDMI 2.0b.
- Verify USB Type-C power delivery needs up to 65W for your device.
- Ensure your graphics drivers support ultrawide resolutions.
Frequently Asked Questions
Q: Does the MSI MAG401QR include built-in speakers?
A: No, this model does not have built-in speakers; use headphones or external audio.
Q: Can I mount it on a monitor arm?
A: Yes, the panel supports VESA 100 x 100 mm mounting with the stand removed.
Q: Is there a camera or microphone?
A: No, this monitor does not include a built-in camera or mic.
Q: What USB-C features are supported?
A: USB-C upstream provides data and up to 65 W power delivery to compatible devices.
Q: Does it support adaptive sync?
A: This model does not include AMD FreeSync or NVIDIA G-SYNC; use a compatible GPU to reduce tearing.
Who it is for
We recommend the MSI MAG401QR computer monitor 101.6 cm (40″) 3440 x 1440 pixels UltraWide Quad HD Black for gamers and creators who value expansive screen space and accurate colour. It suits users who want high refresh performance without curved distortion. Warranty cover varies by product, so please contact us to confirm.
| Audio | |
|---|---|
| Built-in speaker(s) | No |
| Performance | |
| Built-in speaker(s) | No |
| Built-in camera | No |
| AMD FreeSync | No |
| NVIDIA G-SYNC | No |
| Display | |
| Screen shape | Flat |
| Display number of colours | 1.07 billion colours |
| Native aspect ratio | 16:9 |
| Colour gamut | 94% |
| Maximum refresh rate | 155 Hz |
| sRGB coverage (typical) | 118% |
| HD type | UltraWide Quad HD |
| Contrast ratio (dynamic) | 100000000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Pixel pitch | 0.2697 x 0.2697 mm |
| Horizontal scan range | 30 - 160 kHz |
| Vertical scan range | 60 - 144 Hz |
| Aspect ratio | 21:9 |
| Viewable size, horizontal | 92.6 cm |
| Viewable size, vertical | 38.8 cm |
| Supported graphics resolutions | 3440 x 1440 |
| Supported video modes | 1440p |
| Display resolution | 3440 x 1440 pixels |
| Display diagonal | 101.6 cm (40") |
| Contrast ratio (typical) | 1000:1 |
| Response time (fast) | 1 ms |
| Display brightness (peak) | 250 cd/m² |
| Touchscreen | No |
| High Dynamic Range (HDR) supported | Yes |
| Panel type | IPS |
| High Dynamic Range (HDR) technology | High Dynamic Range (HDR) 400 |
| Screen curvature rating | 1500R |
| Colour gamut standard | DCI-P3 |
| Response time (MPRT) | 1 ms |
| Anti-glare screen | Yes |
| Multimedia | |
| Built-in speaker(s) | No |
| Built-in camera | No |
| Design | |
| Market positioning | Gaming |
| Product colour | Black |
| Detachable stand | Yes |
| Camera | |
| Built-in camera | No |
| Ports & interfaces | |
| Built-in USB hub | Yes |
| USB hub version | 2.0 |
| USB upstream port type | USB Type-A, USB Type-B, USB Type-C |
| USB Type-A downstream ports quantity | 2 |
| Headphone out | Yes |
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| Headphone outputs | 1 |
| HDMI | Yes |
| HDMI version | 2.0b |
| DisplayPort version | 1.4a |
| Number of USB Type-B upstream ports quantity | 1 |
| Number of USB Type-C upstream ports quantity | 1 |
| Technical details | |
| Height (without stand) | 83.3 mm |
| Depth (without stand) | 416.1 mm |
| Width (without stand) | 945.2 mm |
| Cable lock slot | Yes |
| HDMI | Yes |
| Product colour | Black |
| Power supply type | External |
| Weight (with stand) | 10.3 kg |
| Touchscreen | No |
| Ergonomics | |
| VESA mounting | Yes |
| Cable lock slot | Yes |
| Panel mounting interface | 100 x 100 mm |
| Tilt angle range | -5 - 20° |
| Cable lock slot type | Kensington |
| Tilt adjustment | Yes |
| Power | |
| Power supply type | External |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power consumption (standby) | 0.5 W |
| Power consumption (off) | 0.3 W |
| Energy efficiency scale | A to G |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 39 kWh |
| Energy consumption (HDR) per 1000 hours | 66 kWh |
| Weight & dimensions | |
| Height (without stand) | 83.3 mm |
| Depth (without stand) | 416.1 mm |
| Width (without stand) | 945.2 mm |
| Width (with stand) | 945.2 mm |
| Depth (with stand) | 530.3 mm |
| Height (with stand) | 289.6 mm |
| Weight (with stand) | 10.3 kg |
| Weight (without stand) | 8 kg |
| Package width | 945.2 mm |
| Package depth | 289.6 mm |
| Package height | 530.3 mm |
| Package weight | 12.4 kg |
| Packaging data | |
| Package width | 945.2 mm |
| Package depth | 289.6 mm |
| Package height | 530.3 mm |
| Package weight | 12.4 kg |
| Package type | Box |
| Other features | |
| Height (without stand) | 83.3 mm |
| Depth (without stand) | 416.1 mm |
| Width (without stand) | 945.2 mm |
| HDMI | Yes |
| Energy efficiency scale | A to G |
| Power supply type | External |
| Display brightness (peak) | 250 cd/m² |
| Touchscreen | No |
| Package type | Box |
| Identifiers | |
| Distributor SKUs | 324690, 124282, 4711377134569, 000000000000324690, MAG 401QR, 9S6-3EA54H002, 510299, 1900534 |
| Additional EANs | 4711377080514 |

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