The MSI MAG 321UPX QD-OLED gaming monitor has been designed to deliver premium visual performance for competitive gaming, content creation, and immersive entertainment. Featuring a 31.5-inch 4K UHD (3840 × 2160) third-generation QD-OLED panel, every scene is displayed with exceptional clarity, rich contrast, and vibrant colors. A blazing-fast 240Hz refresh rate and an ultra-low 0.03ms (GTG) response time ensure that motion remains smooth and responsive, allowing fast-paced gameplay to be experienced with outstanding precision.
Advanced display technologies have been integrated to enhance every viewing experience. VESA DisplayHDR True Black 400, ClearMR 13000, and QD Premium Color work together to produce deep blacks, brilliant highlights, and highly accurate colors with 99% DCI-P3 coverage and Delta E ≤ 2. The latest QD-OLED sub-pixel structure provides sharper text and finer image detail, making the monitor well suited for both gaming and professional creative workloads.
Long-term panel reliability has been prioritized through MSI OLED Care 2.0, which incorporates Pixel Shift, Panel Protect, and Static Screen Detection to help reduce the risk of OLED burn-in. A graphene film, custom heatsink, and fan-less cooling design further improve thermal efficiency while maintaining quiet operation. A smarter 24-hour OLED refresh cycle has also been implemented to minimize interruptions by providing reminders only when necessary and automatically refreshing during standby or shutdown.
Console and PC gamers are fully supported through HDMI 2.1 with 48Gbps bandwidth, enabling 4K at up to 240Hz, Variable Refresh Rate (VRR), and Auto Low Latency Mode (ALLM). Adaptive-Sync technology, AI Vision, Smart Crosshair, ergonomic stand adjustments, and a user-friendly joystick control complete a premium gaming setup designed for speed, comfort, and reliability. Backed by a 3-year OLED burn-in warranty, the monitor provides additional confidence for long-term daily use.
Key Features
3rd Generation QD-OLED Panel
A next-generation QD-OLED panel has been used to deliver exceptional image quality with improved text clarity, deeper blacks, and more detailed visuals.
4K UHD Resolution
A sharp 3840 × 2160 Ultra HD resolution provides crisp details for gaming, streaming, professional editing, and multitasking.
240Hz Refresh Rate
Fast-moving scenes are rendered with exceptional smoothness, making competitive gameplay more responsive and fluid.
0.03ms GTG Response Time
An ultra-fast response time minimizes ghosting and motion blur for fast-paced esports and action games.
DisplayHDR True Black 400
Certified HDR performance produces realistic shadows, brilliant highlights, and superior contrast.
QD Premium Color
Professional-grade color accuracy is achieved with 99% DCI-P3, 97.5% Adobe RGB, 138.2% sRGB, and Delta E ≤ 2.
MSI OLED Care 2.0
Advanced OLED protection technologies help reduce the possibility of screen burn-in through intelligent panel maintenance.
Adaptive-Sync Technology
Screen tearing and stuttering are minimized for a smoother gaming experience.
Gaming Assistance Features
AI Vision and Smart Crosshair provide additional visual enhancements during gameplay.
Console Ready
HDMI 2.1 ports support 4K up to 240Hz, Variable Refresh Rate (VRR), and Auto Low Latency Mode (ALLM) for modern gaming consoles.
USB Type-C Connectivity
DisplayPort Alternate Mode and 15W Power Delivery charging are supported through a single USB-C connection.
Ergonomic Adjustable Stand
Height, tilt, swivel, and pivot adjustments allow a comfortable viewing position to be achieved.
Specifications
Panel Size: 31.5 inches
Active Display Area: 699.48 × 394.73 mm
Panel Type: QD-OLED
Panel Curvature: Flat
Resolution: 3840 × 2160 (UHD)
Pixel Pitch: 0.1814 × 0.1814 mm
Aspect Ratio: 16:9
Brightness: 250 nits
Contrast Ratio: 1,500,000:1
Signal Frequency: 31–585 kHz (Horizontal) / 48–360 Hz (Vertical)
Activated Refresh Range: 48–240Hz
Refresh Rate: 240Hz
Response Time: 0.03ms (GTG)
Dynamic Refresh Rate Technology: Adaptive-Sync
HDR Support: DisplayHDR True Black 400
Viewing Angle: 178° (Horizontal) / 178° (Vertical)
Color Gamut:
- Adobe RGB: 97.5%
- DCI-P3: 99%
- sRGB: 138.2%
Color Accuracy: Delta E ≤ 2
Display Colors: 1.07 Billion (10-bit)
Surface Treatment: Anti-Reflection
Frameless Design: Yes
Video Ports
- 1 × DisplayPort 1.4a
- 2 × HDMI™ (4K up to 240Hz)
- 1 × USB Type-C (DisplayPort Alternate Mode with 15W Power Delivery)
Audio Port
- 1 × Headphone-Out
Gaming Features
- 3rd Generation QD-OLED Panel
- ClearMR 13000 Certification
- AI Vision
- Smart Crosshair
- MSI OLED Care 2.0
- Graphene Film with Custom Heatsink
- Fan-less Cooling Design
- 24-Hour Smart OLED Refresh
- Console Mode
- VRR Support
- ALLM Support
Stand Adjustments
- Tilt: -5° to 15°
- Swivel: -30° to 30°
- Pivot: -10° to 10°
- Height Adjustment: 0–100 mm
Power Type: Power Cable
Power Input: 100–240V, 50/60Hz
Kensington Lock: Yes
VESA Mount Compatibility: 100 × 100 mm
Dimensions (With Stand): 717 × 242 × 477 mm
Dimensions (Without Stand): 717 × 72 × 419 mm
Carton Dimensions:
- WW Carton: 972 × 185 × 513 mm
- Outer Carton: 1200 × 250 × 540 mm
Weight (Net / Gross): 9.1 kg / 11.4 kg
Maximum Supported Resolution
- DisplayPort: 3840 × 2160 (Up to 240Hz)
- HDMI™: 3840 × 2160 (Up to 240Hz)
- USB Type-C (DP Alt Mode): 3840 × 2160 (Up to 240Hz) with 15W Power Delivery Charging
Note: sRGB and DCI-P3 measurements follow the CIE1976 standard.
Conclusion
The MSI MAG 321UPX QD-OLED combines a stunning 4K UHD third-generation QD-OLED panel, an ultra-fast 240Hz refresh rate, and a 0.03ms GTG response time to deliver exceptional gaming performance and outstanding image quality. With premium HDR certification, professional-grade color accuracy, advanced OLED protection, HDMI 2.1 connectivity, USB-C support, ergonomic adjustments, it has been engineered to meet the demands of competitive gamers, content creators, and professionals seeking premium display performance.
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