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MSI MAG 401QR UWQHD 155Hz Adaptive-Sync IPS 40in Monitor

ETA: 29/07/24 This item is expected to arrive into our warehouse around 29/07/24.
Buy now, pay later!
The MSI MAG 401QR monitor features a 40in display with a 3440 x 1440 max resolution, 155Hz refresh rate, 1ms response time (MPRT), Adaptive-Sync compatibility, Wide Colour Gamut, a tilt-adjustable stand, and VESA 100mm support.


MSI MAG 401QR 21:9 UWQHD 155Hz IPS 40-inch Monitor Feature 1

Width Matters

The MSI MAG 401QR ultrawide Gaming monitor is built to step your game up by giving you extra POV to enhance your peripheral vision. With a 3440x1440 resolution and a 21:9 aspect ratio, enjoy the latest AAA title games the way it was meant with gorgeous details that span across your entire peripheral view.

MSI MAG 401QR 21:9 UWQHD 155Hz IPS 40-inch Monitor Feature 2

This is Colour

MAG401QR is equipped with an IPS panel that produces no image distortion and minimum colour shifts when viewed from different angles. Additionally, the IPS panel will offer clear images and instantly optimize screen colour and brightness to ensure that you enjoy every scene at its best.

MSI MAG 401QR 21:9 UWQHD 155Hz IPS 40-inch Monitor Feature 3

155Hz Refresh Rate + 1ms Response Time

Equipped with a 155hz refresh rate and 1ms response time IPS panel which has the benefit in fast moving game genres such as first person shooters, fighters, racing sims, real-time strategy, and sports. These type of games require fast and precise movements, which an refresh rate and fast response time monitor will put you ahead of your competition.

Gaming Intelligence App Advantages

With the Gaming Intelligence APP is very easy to set up your gaming monitor. You don’t need to use the buttons on the monitor and go through all the menus, just use your Keyboard and Mouse to configure your monitor. The app even gives you hotkey options so you can switch settings between different games with ease.

*The actual software interface and function specifications will vary depending on the software version and monitor model.


Control multiple devices via one set of joystick, keyboard, mouse, and MSI gaming monitor.

Night Vision

Whether your entire screen is dark, or just a few portions have heavy shadows. Let the world's first smart black tuner brighten your day by bringing out the fine details in dark areas.

The Most Vivid Display

MSI gaming monitor is equipped with HDR technology that can produce images with more details, wider range of colours, and look more similar to what is seen by the human eye when compared to traditional monitor.

Windows 11 Auto HDR supported.

True Colour

The MSI Esports Gaming Monitor has more gamut coverage compared to general monitors. Gameplay colours and details will look more realistic and refined, to push immersion to its limits.

Anti-Flicker Technology

Generic monitor displays normally have a flicker-rate of about 200-times per second, which is unnoticeable to the naked eye, but can cause fatigue over time. Certificated by TÜV Rheinland®, MSI Anti-Flicker technology provides a very comfortable viewing experience by reducing the amount of flicker.

Blue Light Reduction

Certificated by TÜV Rheinland®, MSI monitors are optimized to produce less amount of blue light displayed by the monitor, so that you can game for longer periods of time without eye-fatigue.

MSI MAG 401QR 21:9 UWQHD 155Hz IPS 40-inch Monitor Feature 4

Personalize Your Gaming Rig

With MSI Mystic Light, the MSI gaming monitor lights provide a soft ambient light that can easily be synced with any other Mystic Light enabled gaming product. Select any of the colours from the palette using your smartphone or the Mystic Light App to match your system style to your taste. Or just turn on gaming echo, letting your monitor back light dance to music you play on the computer.

MSI MAG 401QR 21:9 UWQHD 155Hz IPS 40-inch Monitor Feature 5

Universal Type-C Connection

USB Type-C connection, allowing you to power your devices (up to 65W) and effortlessly connect to any devices.

MSI MAG 401QR 21:9 UWQHD 155Hz IPS 40-inch Monitor Feature 6


To activate additional USB ports and allow the mouse to be available for use on the GAMING OSD APP, don't forget to connect the monitor and your PC by the USB cable which you can find in the product accessory box.

Enjoy the convenience of having extra ports and intuitive adjustment of the monitor settings with the mouse.

MSI MAG 401QR 21:9 UWQHD 155Hz IPS 40-inch Monitor Feature 7

Input/Output Ports


Model Number MAG401QR
Panel Size 40" (101.6 cm)
Active Display Area (mm) 926.22 (H) x 387.72 (V)
Curvature Flat
Panel Type IPS
Panel Resolution 3440 x 1440 (UWQHD)
Pixel Pitch (H x V) 0.2697 (H) x 0.2697 (V)
Aspect Ratio 21:9
Brightness (nits) 400 (Typ.), 400 (HDR peak)
Contrast Ratio 1000:1
DCR 100000000:1
Signal Frequency 30 ~ 160 KHz (H) / 60 ~ 144 Hz (V)
Activated Range 48 ~ 155 Hz
Refresh Rate 155 Hz
Response Time 1 ms (MPRT)
Dynamic Refresh Rate Technology Adaptive Sync
HDR Support VESA DisplayHDR 400
Video Ports 2 x HDMI™ (Supports 3440 x 1440@100 Hz as specified in HDMI™ 2.0b)
1 x DisplayPort (Supports 3440 x 1440@155 Hz as specified in DisplayPort 1.4a)
1 x Type-C (DP alt. with PD 65 W)
USB Ports 2 x USB 2.0 Type-A
1 x USB 2.0 Type-B Upstream
1 x USB 2.0 Type-C (PD 65 W)
Audio Ports 1 x Headphone out
Viewing Angle 178° (H) / 178° (V)
Adobe RGB / DCI-P3 / sRGB 90% / 94% / 118%
Surface Treatment Anti-glare
Display Colours 1.07B (8 bits + FRC)
Power Type Power Cable
Power Input 100 ~ 240 V, 50 / 60 Hz
Adjustment (Tilt) -5° ~ 20°
Kensington Lock Yes
Control 5-Way Navigator Joystick
Dimension (W x D x H) 945.22 x 289.63 x 530.29 mm / 945.22 x 83.32 x 416.12 mm (without stand)
Console Mode 2K Resolution PS5™ Optimization
FHD @ 120 Hz
* All trademarks and the registered trademarks are the property of their respective owners.
Frameless Design Yes
PIP / PBP Function Yes
VESA Mounting 100 x 100 mm
Weight (NW) 10.3 kg
8 kg (Without stand)
Note DisplayPort: 3440 x 1440 (Up to 155 Hz)
Type-C: 3440 x 1440 (Up to 155 Hz)
HDMI™: 3440 x 1440 (Up to 100 Hz)
Adobe RGB, DCI-P3 and sRGB follow CIE1976 Standard
Backed by a 3 year MSI warranty.

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