MSI MPG 321CURXDE QD-OLED computer monitor 80 cm (31.5 inch) 3840 x 2160 pixels 4K Ultra HD Black

The MSI MPG 321CURXDE QD-OLED 31.5" gaming monitor features a 3840 x 2160 (4K UHD) QD-OLED panel that delivers vibrant colors and deep blacks. Designed for fast-paced gaming, it combines a high 240Hz refresh rate with an extremely low response time (0.03–0.05 ms GtG depending on source) and VESA certifications including ClearMR 13000 and DisplayHDR True Black 400. OLED Care 2.0 helps reduce the risk of OLED burn-in. Console support includes HDMI 2.1 ports with 48 Gbps bandwidth, 120Hz support, VRR and ALLM.

Advantages

The QD-OLED panel delivers superior color volume and contrast compared with conventional LCDs, while the UHD 3840 x 2160 resolution provides detailed imagery for gaming and multimedia. High refresh rate and ultra-fast response time reduce motion blur and ghosting. VESA certifications ensure verified motion clarity and HDR performance, and OLED Care 2.0 offers protection against burn-in. Built-in ergonomics and a USB hub increase connectivity and adjustability for desktop setups.

Suitable for (tasks / use cases)

• Competitive and fast-paced PC gaming
• Console gaming with HDMI 2.1 features
• Creative work requiring high contrast and color accuracy
• Multimedia and 4K video playback

Key specifications

• Display diagonal: 31.5"
• Panel type: QD-OLED
• Resolution: 3840 x 2160 (4K UHD)
• Aspect ratio: 16:9
• Refresh rate: up to 240 Hz
• Response time: 0.03–0.05 ms (GtG, manufacturer sources vary)
• Typical brightness: 250 cd/m²
• Contrast ratio (typical): 150000:1
• VESA ClearMR 13000 and DisplayHDR True Black 400 certified
• HDMI 2.1 with 48 Gbps, VRR and ALLM
• Built-in USB hub (including 1x USB-C downstream)
• VESA mounting compatible
• Screen shape: Flat
• Color: Black

How to use

Place the monitor on a stable desk or attach it to a VESA-compatible arm or mount. Connect to a PC or console using HDMI 2.1 or the available PC video input. For best gaming performance, set the source device to 3840 x 2160 resolution and select the highest available refresh rate (up to 240 Hz on PC or 120 Hz on supported consoles). Enable VRR and ALLM on both the monitor and source device if supported. Use the on-screen display to adjust color, brightness, and OLED Care settings to match your environment and usage preferences.

Recommendations

To reduce potential OLED retention, enable OLED Care 2.0 features, avoid static high-contrast images for extended periods, and vary content. Keep brightness at a comfortable level for prolonged use and use the built-in power-saving modes when idle.