MSI MAG401QR 40" Black 2023

★★★★☆ 4.1 (399)

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.

Screen 40"
Resolution 3440 x 1440
Panel IPS
Refresh 155 Hz
response time ms 1
adaptive sync FreeSync Premium
HDR DisplayHDR 400
MSI MAG401QR 40" Black 2023 monitor
75 Overall Score

No current retailer price

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Snapshot

Pros & Cons

Pros

  • Strong color (92nd percentile) 92nd
  • Strong feature (84th percentile) 84th
  • Strong display (81st percentile) 81st
  • Strong connectivity (81st percentile) 81st

Cons

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has held steady over time
1★2★3★4★5★Q3 '23: 5.0★ · 2 reviewsQ1 '24: 4.0★ · 2 reviewsQ2 '24: 5.0★ · 1 reviewQ4 '24: 5.0★ · 1 reviewQ4 '25: 5.0★ · 3 reviews221113Q3 '23Q1 '24Q2 '24Q4 '24Q3 '25Q4 '25
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews
  1. Q4 202575/1005.0★3 reviews

    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.
  2. Q1 202465/1004.0★3 reviews

    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 10 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Color 92
Portability 49.9
Display 81.4
Feature 84
Ergonomic 47.8
Performance 74.3
Connectivity 81.4
Social Proof 73

Specifications

Full Specifications

Display

Size 40"
Resolution 3440x1440
Panel Type IPS
Aspect Ratio 21:9
Curved No
Screen Finish matte

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 Yes
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 MAG401QR 40" LG UltraGear 45GX950A-B ASUS ROG Strix XG27UCDMG Dell UltraSharp U4025QW Alienware AW-Series AW3425DW Samsung Odyssey G60SD
Screen Size 40 45 27 39.70000076293945 34 27
Resolution 3440 x 1440 5120 x 2160 3840 x 2160 5120 x 2160 3440 x 1440 2560 x 1440
Panel Type IPS OLED OLED IPS QD-OLED OLED
Refresh Rate 155 330 240 120 240 360
Response Time Ms 1 0.029999999329447746 0.029999999329447746 5 0.029999999329447746 0.029999999329447746
Adaptive Sync FreeSync Premium FreeSync Premium Pro FreeSync Premium Pro Adaptive-Sync FreeSync Premium Pro FreeSync Premium Pro
Hdr DisplayHDR 400 DisplayHDR True Black 400 DisplayHDR True Black 400 DisplayHDR 600 DisplayHDR 400 True Black HDR10+
Compare Compare Compare Compare Compare
Product ColorPortabilityDisplayFeatureErgonomicPerformanceConnectivitySocial Proof
MSI MAG401QR 40" 9249.981.48447.874.381.473
LG UltraGear 45GX950A-B Compare 99.476.699.795.890.899.496.994.7
ASUS ROG Strix XG27UCDMG Compare 96.157.797.98490.89881.499.3
Dell UltraSharp U4025QW Compare 98.276.698.795.890.85699.398
Alienware AW-Series AW3425DW Compare 9973.985.889.990.89895.498
Samsung Odyssey G60SD Compare 90.44077.467.890.899.587.794.7

Price

Value & Pricing

We started tracking prices for this product on May 4, 2026. The chart appears once we have more data.

Usage Scores

Overall (75.3)Gaming (74.5)Office (69.9)Creative (79.2)Portable (12)Professional (75.5)Entertainment (69.2)
  • Overall75.3
  • Gaming74.5
  • Office69.9
  • Creative79.2
  • Portable12
  • Professional75.5
  • Entertainment69.2

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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