MSI MAG MAG401QR 40" Black 2023
Its 40-inch flat IPS ultrawide with 3440x1440 resolution, 155Hz refresh, and 1ms response time delivers eSports-grade responsiveness without curvature. A 90W USB-C port with KVM functionality simplifies multi-device setups, while the super-narrow bezel and RGB accents give it a sleek, modern command center aesthetic. Best for competitive gamers and content creators working in a fixed setup, where the large canvas and 94% DCI-P3 color gamut support both fast-paced titles and color-critical tasks.
Snapshot
Pros & Cons
Pros
- Strong color (92th percentile) 92th
- Strong feature (86th percentile) 86th
- Strong connectivity (82th percentile) 82th
- Strong display (81th percentile) 81th
Cons
- Below average ergonomic (35th percentile)
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 | 10.3 kg / 22.7 lbs |
vs Competition
| Spec | MSI MAG MAG401QR 40" | LG UltraGear 32GX850A-B | Samsung Odyssey Neo G9 LS57CG952NNXZA | ASUS ROG Strix XG27ACDNG | Dell UltraSharp U3425WE | Gigabyte M Series OLED MO27U2 SA |
|---|---|---|---|---|---|---|
| Screen Size | 40 | 32 | 57 | 27 | 34.13999938964844 | 27 |
| Resolution | 3440x1440 | 3840 x 2160 | DUHD | 2560 x 1440 | 3440x1440 | 3840x2160 |
| Panel Type | IPS | OLED | VA | OLED | IPS | OLED |
| Refresh Rate | 155 | 165 | 240 | 360 | 120 | 240 |
| Response Time Ms | 1 | 0.029999999329447746 | 1 | 0.029999999329447746 | 5 | 0.029999999329447746 |
| Adaptive Sync | FreeSync Premium | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | G-Sync Compatible | FreeSync Premium Pro |
| Hdr | DisplayHDR 400 | DisplayHDR True Black 400 | DisplayHDR 1000 | DisplayHDR True Black 400 | DisplayHDR 400 | DisplayHDR 400 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Compact | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| MSI MAG MAG401QR 40" | 92.1 | 55 | 80.7 | 86 | 34.6 | 74.9 | 81.9 | 76.8 |
| LG UltraGear 32GX850A-B Compare | 80.5 | 55 | 98.8 | 86 | 90.3 | 96.1 | 98 | 99.5 |
| Samsung Odyssey Neo G9 LS57CG952NNXZA Compare | 99.1 | 74 | 99.7 | 97.3 | 90.3 | 87.3 | 95.3 | 95.4 |
| ASUS ROG Strix XG27ACDNG Compare | 75.6 | 63.8 | 76.4 | 72 | 90.3 | 99.5 | 81.9 | 90.8 |
| Dell UltraSharp U3425WE Compare | 86.2 | 86.9 | 80.7 | 97.3 | 90.3 | 56 | 99.8 | 86 |
| Gigabyte M Series OLED MO27U2 SA Compare | 84.8 | 63.8 | 97.3 | 86 | 90.3 | 97.9 | 81.9 | 70.5 |
Price
Value & Pricing
Amazon.co.jp 1 offers From ¥105,454
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
