The MPG 341CQPX is MSI’s 34-inch 3440 × 1440 240 Hz QD-OLED ultrawide gaming monitor. It offers an 1800R curve, DisplayHDR True Black 400, two HDMI 2.1 ports, USB-C with 98 W charging, a built-in KVM and PiP/PbP, with a three-year warranty that covers burn-in. Testing found HDR peaks near 950 nits on small areas; the triangular subpixel layout gives slight colour fringing on text and the glossy surface reflects. Owners praise the picture and KVM; a few complain of VRR flicker and text clarity.
MPG 341CQPX QD-OLED, 34-inch 240 Hz curved ultrawide monitor, black. The 175 Hz MAG 341CQP QD-OLED and later revisions are separate models.
| Specification | Value |
|---|---|
| Panel | 34.18-inch curved QD-OLED, 1800R; 3440 × 1440 (UWQHD), 21:9; 0.2315 mm pixel pitch |
| Refresh and response | 240 Hz (48–240 Hz variable range); 0.03 ms GtG |
| Brightness and HDR | 250 nits typical SDR; 1,000 nits peak HDR at 3% APL, 450 nits at 10% APL; VESA DisplayHDR True Black 400; 1,500,000:1 contrast |
| Colour | 10-bit (1.07 billion colours); DCI-P3 99.3%, Adobe RGB 97.8%, sRGB 139.1% (CIE 1976) |
| Variable refresh | G-SYNC Compatible, AMD FreeSync Premium Pro |
| Video inputs | 1 × DisplayPort 1.4a (3440 × 1440 240 Hz); 2 × HDMI 2.1 (UWQHD 240 Hz); 1 × USB-C (DisplayPort Alt Mode, 98 W Power Delivery) |
| USB and audio | 2 × USB 2.0 Type-A, 1 × USB 2.0 Type-B (upstream); headphone out; no built-in speakers |
| KVM and multi-view | Built-in KVM; PiP (picture-in-picture) and PbP (picture-by-picture) |
| Surface and viewing angle | Anti-reflection surface treatment; 178° / 178° |
| Stand and mounting | Tilt −5° / 20°, swivel −30° / 30°, height 0–100 mm; VESA 100 × 100 |
| Size and weight | With stand 812 × 318 × 427 mm, 8.8 kg; without stand 812 × 130 × 361 mm, 6.66 kg |
| Warranty | 3 years, including panel burn-in |
MSI presents the MPG 341CQPX as a gaming monitor with a 240 Hz QD-OLED panel, OLED Care protection features and a burn-in warranty. MSI
Display Ninja measured up to 260 nits in SDR and a minimum of 31 nits (12 nits in the Customization preset). In HDR the default True Black 400 mode reached 461 nits and Peak 1000 about 952 nits at 3% APL or smaller, with ABL active. The panel keeps the triangular subpixel layout: small text shows mild green-magenta fringing, which was not bothersome in daily use. The glossy surface gives mirror-like reflections. There is no fan; cooling uses a heatsink. Some OLED-care detection features cannot run with VRR on. Early firmware (FW.008) had high latency, so FW.018 or newer is recommended; an OSD bug marked the wrong preset.
Display Ninja: MSI MPG 341CQPX reviewOn Best Buy 39 of 49 reviews are five-star and 2 one-star; most of the roughly 20 visible reviews are verified and incentivised, after one week to ten months of use. Owners praise the colours, black levels, 240 Hz smoothness and the KVM; SWhite and Brett say the OLED-care features leave them unworried about burn-in. VESPA5 and CadenH report VRR flicker when frame rate drops, and sarath reports text fringing bad enough to hinder office work and a seller refusing the return. Travvy found the firmware update hard to locate, Jaime says an update fixed input lag, and JakWisp had trouble over HDMI but not over USB-C/Thunderbolt. In Australia a single verified buyer (Ryan D.) praises KVM switching between desktop and laptop and the gentle curve.
Best Buy: MSI MPG 341CQPX QD-OLED customer reviews