Imagine every game looking as vivid as real life, with no blur and colors that pop. The MSI MAG 321UP QD-OLED 31.5" 3840 x 2160pixels 4K Ultra HD QD-OLED Monitor Black gives you that experience. It is a high-end gaming and entertainment screen built for serious players and creators who are tired of dull, laggy displays. If you want crisp 4K detail, buttery-smooth motion, and a panel that stays safe from burn-in, this monitor is the answer.
MSI MAG 321UP QD-OLED 31.5" 3840 x 2160pixels 4K Ultra HD QD-OLED Monitor Black
Many gamers struggle with flickering, ghosting, and washed-out colors that ruin immersion. Those issues matter because they can hurt performance and make long sessions uncomfortable. This monitor solves the problem with a next-gen QD-OLED panel, 165 Hz refresh, and a lightning-fast 0.03 ms response. The ClearMR 9000 and DisplayHDR True Black 400 certifications guarantee deep blacks and bright highlights, while OLED Care 2.0 protects the screen from burn-in, so you stay ahead of the competition.
Usages of MSI
The monitor fits a home gaming rig perfectly, delivering smooth play on PC or console through HDMI 2.1 with 120 Hz support. It also works as a professional editing station, showing 4K video and color-critical work with 138 % sRGB and 110 % DCI-P3 coverage. Streamers can enjoy a flicker-free view while talking to their audience, and designers benefit from the 178 viewing angles that keep colors accurate from any side.
Benefits
- Ultra-fast 0.03 ms response eliminates motion blur, helping you spot enemies faster.
- 165 Hz refresh keeps gameplay fluid, reducing eye strain during long sessions.
- True Black 400 HDR delivers deep shadows and bright highlights for realistic visuals.
- OLED Care 2.0 extends panel life, so you wont worry about burn-in after months of use.
- Wide color gamuts and 4K resolution give creators accurate, detailed images for editing.
Key Features
- 31.5-inch QD-OLED panel with 3840 x 2160 resolution.
- 165 Hz refresh rate and 0.03 ms gray-to-gray response.
- DisplayHDR True Black 400 certification for high dynamic range.
- ClearMR 9000 certification for precise color rendering.
- HDMI 2.1 (48 Gbps) with 120 Hz, VRR and ALLM support.
- USB-C DisplayPort Alternate Mode for single-cable connectivity.
- Frameless design and anti-glare coating for clean, distraction-free viewing.
- Adjustable tilt, swivel, pivot, and height up to 11 cm for ergonomic comfort.
- VESA-compatible mounting and Kensington lock slot for secure setup.
- Energy-efficient class G with low standby power consumption.
Specifications
| Display |
| sRGB coverage (typical) |
138.2% |
| Colour gamut |
110.1% |
| Colour gamut standard |
DCI-P3 |
| Viewable size, vertical |
39.5 cm |
| Viewable size, horizontal |
69.9 cm |
| Vertical scan range |
48 - 165 Hz |
| Horizontal scan range |
30 - 390 kHz |
| Pixel pitch |
0.1814 x 0.1814 mm |
| Display number of colours |
1.07 billion colours |
| Viewing angle, vertical |
178° |
| Viewing angle, horizontal |
178° |
| Maximum refresh rate |
165 Hz |
| Contrast ratio (typical) |
1500000:1 |
| Aspect ratio |
16:9 |
| Screen shape |
Flat |
| Anti-glare screen |
Yes |
| Response time |
1 ms |
| Display brightness (typical) |
250 cd/m² |
| HD type |
4K Ultra HD |
| Touchscreen |
No |
| Display technology |
QD-OLED |
| Native aspect ratio |
16:9 |
| Display resolution |
3840 x 2160 pixels |
| Display diagonal |
80 cm (31.5") |
| Performance |
| AMD FreeSync |
No |
| NVIDIA G-SYNC |
No |
| Multimedia |
| Built-in camera |
No |
| Built-in speaker(s) |
No |
| Design |
| Frameless design |
Yes |
| Product colour |
Black |
| Market positioning |
Gaming |
| Ports & interfaces |
| Headphone outputs |
1 |
| Headphone out |
Yes |
| DisplayPort version |
1.4a |
| DisplayPorts quantity |
1 |
| HDMI version |
2.1 |
| HDMI ports quantity |
2 |
| HDMI |
Yes |
| USB Type-C DisplayPort Alternate Mode |
Yes |
| USB Type-C downstream ports quantity |
1 |
| Built-in USB hub |
No |
| Ergonomics |
| Tilt angle range |
-5 - 15° |
| Tilt adjustment |
Yes |
| Swivel angle range |
30 - 30° |
| Swivelling |
Yes |
| Pivot angle |
-10 - 10° |
| Pivot |
Yes |
| Adjustable height (max) |
11 cm |
| Height adjustment |
Yes |
| Cable lock slot type |
Kensington |
| Cable lock slot |
Yes |
| Panel mounting interface |
100 x 100 mm |
| VESA mounting |
Yes |
| Power |
| Energy efficiency scale |
A to G |
| Power supply type |
Internal |
| AC input frequency |
50/60 Hz |
| AC input voltage |
100 - 240 V |
| Power consumption (off) |
0.3 W |
| Power consumption (standby) |
0.5 W |
| Energy consumption (HDR) per 1000 hours |
50 kWh |
| Energy consumption (SDR) per 1000 hours |
50 kWh |
| Energy efficiency class (HDR) |
G |
| Energy efficiency class (SDR) |
G |
| Weight & dimensions |
| Weight (without stand) |
6.4 kg |
| Height (without stand) |
419 mm |
| Depth (without stand) |
72 mm |
| Width (without stand) |
717 mm |
| Height (with stand) |
457 mm |
| Depth (with stand) |
242 mm |
| Width (with stand) |
717 mm |
| Packaging data |
| Package height |
538 mm |
| Package depth |
200 mm |
| Package width |
990 mm |
