MSI MAG MAG401QR 40" Black 2023
The 40-inch 3440x1440 IPS panel with 155Hz refresh and 1ms response time delivers a flat ultrawide canvas tuned for fast-paced gaming with FreeSync Premium. Its 94% DCI-P3 coverage and HDR400 support add color depth, while the super-narrow bezel and RGB finishing give it a clean, immersive desk presence. This monitor suits competitive gamers who want a massive screen for situational awareness without the distortion of a curved display.
Snapshot
Pros & Cons
Pros
- Strong color (93rd percentile) 93rd
- Strong feature (87th percentile) 87th
- Strong connectivity (83rd percentile) 83rd
- Strong display (82nd percentile) 82nd
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
- Q4 202575/100
Buyers praise the monitor's color, gaming performance, and value, but note a stuck pixel issue and potential initial strain from its ultra-wide 40" size.
- Excellent color richness and gaming performance across various titles.
- Ultra-wide screen causes neck strain initially but users adapt over time.
- One user reports a stuck red pixel, seeking help to fix it.
- Great value for price, with immersive size and smooth refresh rate.
- Q1 202465/100
Buyers value features, gaming performance, and price, but report USB-B failures, limited documentation, and dim backlights.
- Great features and software control, overclocking works, good value for gaming.
- USB-B port failures and connectivity issues reported, requiring cable replacements.
- Poor instructions, hidden power button, and no setup videos for this model.
- Back lights dim and unnoticeable, curve needed for this large size.
Based on 11 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 40" |
| Resolution | 3440x1440 |
| Panel Type | IPS |
| Aspect Ratio | 21:9 |
| Curved | No |
Performance
| Refresh Rate | 155 Hz |
| Response Time | 1 |
| Adaptive Sync | FreeSync Premium |
Color & HDR
| Brightness | 400 nits |
| Color Gamut | 94% DCI-P3, 118% sRGB |
| Color Depth | 8-bit+FRC |
| HDR | DisplayHDR 400 |
| HDR Support | HDR400 |
Connectivity
| HDMI Ports | 2 |
| DisplayPort | 1 |
| USB-C | 1 |
| Speakers | No |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | No |
| Tilt | No |
| Swivel | No |
| Pivot | No |
| VESA Mount | 100x100 |
Features
| Webcam | No |
| Touchscreen | No |
| PIP/PBP | Yes |
| Power | 150 |
| Weight | 12.4 kg / 27.3 lbs |
vs Competition
| Spec | MSI MAG MAG401QR 40" | LG UltraGear 45GX950A-B | ASUS ROG Strix XG27AQDMG | Samsung Odyssey G60SD | Dell UltraSharp U4025QW | Alienware AW-Series AW2725D |
|---|---|---|---|---|---|---|
| Screen Size | 40 | 44.5 | 26.5 | 27 | 39.70000076293945 | 27 |
| Resolution | 3440 x 1440 | 5120 x 2160 | 2560 x 1440 | 2560 x 1440 | 5120 x 2160 | 2560 x 1440 |
| Panel Type | IPS | OLED | OLED | QD-OLED | IPS | QD-OLED |
| Refresh Rate | 155 | 165 | 240 | 360 | 120 | 280 |
| Response Time Ms | 1 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 5 | 0.029999999329447746 |
| Adaptive Sync | FreeSync Premium | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync | FreeSync Premium Pro |
| Hdr | DisplayHDR 400 | DisplayHDR True Black 400 | HDR10 | HDR10+ | DisplayHDR 600 | DisplayHDR 400 True Black |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| MSI MAG MAG401QR 40" | 93 | 55.9 | 81.7 | 86.6 | 39.1 | 77 | 83.4 | 76.3 |
| LG UltraGear 45GX950A-B Compare | 99.4 | 81.4 | 99.7 | 97.3 | 91.1 | 96.6 | 97.3 | 95.5 |
| ASUS ROG Strix XG27AQDMG Compare | 97 | 73.2 | 76.8 | 73.1 | 91.1 | 98.2 | 94 | 90.6 |
| Samsung Odyssey G60SD Compare | 91.6 | 46.1 | 77.6 | 73.1 | 91.1 | 99.6 | 88.8 | 95.5 |
| Dell UltraSharp U4025QW Compare | 97.9 | 81.4 | 95.7 | 97.3 | 91.1 | 57.4 | 99.3 | 95.5 |
| Alienware AW-Series AW2725D Compare | 98.6 | 83.9 | 77.6 | 73.1 | 91.1 | 99.4 | 95.8 | 100 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.