This flat QD-OLED monitor targets 500 Hz at 2560 × 1440. Alongside high-frame-rate gaming it offers USB-C video, a USB hub and KVM. Peak HDR brightness applies to small bright areas rather than the whole screen. OLED maintenance features are part of everyday use.
3CF4 · 9S6-3CF49T-001, black, 26.5-inch
| Specification | Value |
|---|---|
| Release year | 2025 |
| Panel | 26.5-inch flat QD-OLED |
| Active area | 590.42 × 333.72 mm |
| Resolution and aspect ratio | 2560 × 1440; 16:9 |
| Refresh rate | Up to 500 Hz |
| Variable refresh range | 48–500 Hz |
| Synchronization | G-SYNC Compatible; AMD FreeSync Premium Pro |
| Response time | Claimed 0.03 ms GtG; not input lag |
| SDR brightness | 300 nits typical |
| HDR brightness | True Black 500: 515 nits at 10% APL; Peak 1000: 1000 nits typical at 3% APL |
| HDR certification | VESA DisplayHDR True Black 500 |
| Color depth | 10-bit; 1.07 billion colors |
| DCI-P3 | Claimed 99% coverage |
| Surface | Anti-reflection coating |
| DisplayPort | 1 × DP 2.1a UHBR20 |
| HDMI | 2 × HDMI 2.1; 1440p 500 Hz support |
| USB-C | DisplayPort Alt Mode and USB Power Delivery |
| USB hub | 2 × USB-A 5 Gbit/s; 1 × USB-B 5 Gbit/s upstream |
| KVM | Switch one keyboard/mouse between computers |
| Multiple sources | PIP / PBP |
| Headphones | Headphone output |
| Panel care | OLED Care 3.0; pixel shift and panel protection |
| Presence sensor | AI Care Sensor; monitor or system control mode |
| Height | 110 mm adjustment |
| Tilt and rotation | −5°–20° tilt; ±30° swivel, ±90° pivot |
| VESA | 100 × 100 mm |
| Dimensions with stand | 609.3 × 241.9 × 416.1 mm (W × D × H) |
| Net weight | 8.4 kg |
| Power | Internal power board; 100–240 V, 50/60 Hz |
MSI highlights 500 Hz motion clarity and its AI Care Sensor for presence-aware panel protection. MSI
PCWorld praises fine moving detail at 500 Hz and color performance. It notes brightness falls with larger bright HDR areas and finds MPRT black-frame insertion less effective than some alternatives.
PCWorld: MPG 271QR QD-OLED X50 motion and HDR testANTHONYP likes image quality but finds panel-protection notifications disruptive during games. LANDONB praises colors and responsiveness, while advising care with the narrow VESA screw opening.
Best Buy: MPG 271QR QD-OLED X50 customer reviewsArt_Weingartner reports brief white/dark-red flashes when switching browser tabs and unsatisfactory presence detection. They cannot determine whether USB disconnects originate from the monitor or PC.
Reddit: MPG 271QR X50 owner experiencesOn Best Buy, DAVIDD sees HDR in games as the biggest upgrade over their previous display and finds the rear ports and built-in KVM useful for switching between several systems. LANDONB likes the colours and writes that the small screw openings on the back can catch on the mount when fitting a VESA arm.
Best Buy: MPG 271QR QD-OLED X50 customer reviews