Finding a screen that can keep up with fast games and detailed creative work is hard. A blurry image or slow response can ruin a win or a design project, and that frustration hurts your focus. The MSI MAG 321CUP QD-OLED 31.5" 3840 x 2160 pixels 4K Ultra HD Monitor Black solves these issues with a bright QD-OLED panel, 165 Hz refresh and 0.03 ms response, giving you crystal-clear motion and true-black depth every time.
MSI MAG 321CUP QD-OLED 31.5" 3840 x 2160 pixels 4K Ultra HD Monitor Black
This monitor is built for serious gamers and creators who need a single display that does it all. It shows 4K Ultra HD detail, runs at up to 165 Hz, and reacts in just 0.03 ms, so you never miss a split-second. If you struggle with flicker, ghosting, or washed-out colors, MSI gives you a clear, vibrant picture that feels alive. The built-in OLED Care 2.0 also protects the screen from burn-in, so you can play for hours without worry.
Usages
Use it for high-speed PC gaming where every frame counts, and the 120 Hz HDMI 2.1 ports let you connect the latest consoles with VRR and ALLM support. Graphic designers benefit from the 99 % DCI-P3 coverage and 10-bit color depth for accurate color grading. Video editors enjoy the 4K resolution and HDR True Black 400 for precise detail. Streamers can rely on the low lag and anti-glare screen for long sessions, while office workers get a wide view and adjustable ergonomics for comfort.
Benefits
- Ultra-fast 0.03 ms response eliminates motion blur, keeping gameplay smooth.
- 165 Hz refresh delivers fluid visuals, reducing eye strain during long sessions.
- True-black OLED contrast reveals hidden details in dark scenes.
- Wide 99 % DCI-P3 color gamut ensures accurate colors for design work.
- Adjustable tilt, swivel and height let you find the perfect viewing angle.
Key Features
- 31.5-inch QD-OLED panel with 3840 x 2160 resolution.
- 165 Hz refresh rate and 0.03 ms (GtG) response time.
- DisplayHDR True Black 400 and ClearMR 9000 certification.
- HDMI 2.1 (2 ports) supporting 48 Gbps, 120 Hz, VRR, ALLM.
- USB-C with DisplayPort Alternate Mode for single-cable connectivity.
- 99 % DCI-P3, 98 % Adobe RGB, 138 % sRGB coverage.
- 10-bit color depth and 1.07 billion colors.
- Anti-glare curved 1700R screen for comfortable viewing.
- Kensington lock slot for secure mounting.
- VESA-compatible 100 x 100 mm mount and height adjustment up to 10 cm.
Specifications
| Display |
| DCI-P3 coverage |
99% |
| Adobe RGB coverage |
98% |
| sRGB coverage (typical) |
138% |
| Colour gamut |
99% |
| Colour gamut standard |
DCI-P3 |
| Colour depth |
10 bit |
| Display diagonal (metric) |
80 cm |
| Viewable size, vertical |
39.5 cm |
| Viewable size, horizontal |
69.9 cm |
| Vertical scan range |
48 - 165 Hz |
| Horizontal scan range |
30 - 390160 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 |
| Supported video modes |
2160p |
| Supported graphics resolutions |
3840 x 2160 |
| Screen curvature rating |
1700R |
| Screen shape |
Curved |
| Anti-glare screen |
Yes |
| Response time measurement type |
GTG (Gray to Gray) |
| Response time |
0.03 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 |
| Front bezel colour |
Black |
| Frameless design |
Yes |
| Product colour |
Black |
| Market positioning |
Gaming |
| Ports & interfaces |
| Headphone outputs |
1 |
| Headphone out |
Yes |
| DisplayPort version |
1.4 |
| 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 |
| Adjustable height (max) |
10 cm |
| Height adjustment |
Yes |
| Cable lock slot type |
Kensington |
| Cable lock slot |
Yes |
| Panel mounting interface |
100 x 100 mm |
| VESA mounting |
Yes |
| Power |
| European Product Registry for Energy Labelling (EPREL) code |
1886913 |
| 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 |
5076 kWh |
| Energy consumption (SDR) per 1000 hours |
50 kWh |
| Energy efficiency class (HDR) |
G |
| Energy efficiency class (SDR) |
G |
| Weight & dimensions |
| Weight (without stand) |
8 kg |
| Height (without stand) |
423 mm |
| Depth (without stand) |
123 mm |
| Width (without stand) |
714 mm |
| Height (with stand) |
473 mm |
| Depth (with stand) |
318 mm |
| Width (with stand) |
714 mm |
| Packaging data |
| Package type |
Box |
| Package weight |
9.6 kg |
| Package height |
11300 mm |
| Package depth |
513 mm |
| Package width |
185 mm |
| Other features |
| Package weight |
9.6 kg |
| Warranty period |
3 year(s) |
