This article covers MSI QD-OLED ゲーミングモニター MPG 321URX QD-OLED 31.5インチ.

Overview

The MSI MPG 321URX QD-OLED is a 31.5-inch gaming monitor featuring the latest QD-OLED panel technology that combines quantum dots and OLED for exceptional color purity and deep blacks. It delivers 4K UHD (3840×2160) resolution, a 240Hz refresh rate, and an ultra-fast 0.03ms (GTG) response time, ensuring smooth, tear-free gameplay. With DisplayHDR True Black 400 certification, it offers stunning contrast, while factory color calibration (Delta E≦2) makes it suitable for creative work. Built-in USB Type-C with up to 90W Power Delivery and a KVM switch add versatility for multi-device setups.

Connectivity & Compatibility

The monitor provides two HDMI 2.1 ports, one DisplayPort 1.4a, and one USB Type-C with DisplayPort Alternate Mode and 90W power delivery. It fully supports modern game consoles (PS5, Xbox Series X) and high-end PCs, enabling 4K at 120Hz or higher. The integrated USB hub (2× USB-A, 1× USB-B) and KVM switch allow seamless switching between connected devices. VESA 100mm mounting is supported for arm or wall mounting.

Product Info

Released in late 2024, the MSI MPG 321URX QD-OLED is priced around ¥138,000 (tax included). The package includes a DisplayPort cable, HDMI cable, USB cable, power cable, and quick start guide. MSI offers a 3-year warranty (digital warranty card included). This monitor is positioned in the high-end gaming segment, leveraging QD-OLED technology to deliver top-tier color accuracy, contrast, and motion clarity.

Best Use Cases

This monitor is ideal for competitive gamers who demand the fastest response times and high refresh rates for FPS, racing, and action titles. Its 240Hz refresh rate and 0.03ms response eliminate motion blur, giving a clear advantage. Creative professionals will appreciate the wide color gamut (DCI-P3 99%, AdobeRGB 97%) and pre-calibrated accuracy for photo and video editing. Additionally, users with a modern laptop can benefit from the USB Type-C connection for single-cable video and charging, reducing desk clutter.

Product Disclosure (Amazon)

  • Manufacturer: MSI
  • Seller: Amazon.co.jp
  • Fulfilled by: Amazon.co.jp
  • ASIN: B0DF74463S
  • Note: This article covers a manufacturer-made product based on Amazon listing details.