Uploaded April 2024 | Updated September 2026, 2 weeks ago

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➡️ Affiliate link: geni.us/yo1YsZ
➡️ MSI MAG 321UPX (Affiliate link): geni.us/BP7Ae
➡️ Support us: pcmonitors.info/support-us
➡️ Awards explained: pcmonitors.info/recommended-badge-in-reviews
➡️ Best Settings video: youtu.be/fgMJYI7T04Y
➡️ Fringing article: pcmonitors.info/articles/qd-oled-and-woled-fringing-issues
➡️ '4K' UHD experience article: pcmonitors.info/articles/the-4k-uhd-3840-x-2160-experience
➡️ VRR flickering test: forum.pcmonitors.info/topic/questions-regarding-brightness-flickering-under-vrr/#post-71288
➡️ Comparison with AW3225QF and MAG 321UPX: forum.pcmonitors.info/topic/msi-mpg-321urx-review
➡️ Download 'Test Settings' to import via MSI Gaming Intelligence app: pcmonitors.info/icc/PC%20Monitors%20MPG%20321URX%20profile.zip

ICC profiles are not used in the review and may not be optimal for all units, but are included below if you wish to try them out.

➡️ ICC profile ('Test Settings'): pcmonitors.info/icc/MSI%20MPG%20321URX.icm
➡️ ICC profile ('Creator, sRGB'): pcmonitors.info/icc/MSI%20MPG%20321URX%20sRGB.icm

A review of the MSI MPG 321URX QD-OLED. A 240Hz 3840 x 2160 '4K' UHD QD-OLED with USB-C (90W PD) plus KVM. HDMI 2.1 support is included alongside Adaptive-Sync for AMD FreeSync Premium Pro and Nvidia 'G-SYNC Compatible' . Impressive contrast, colours and responsiveness with a good feature set and strong HDR output.

As an Amazon Associate and Newegg Affiliate I earn from qualifying purchases made using the "Affiliate links" above.

Introduction: 0:00
Refresh Rates & Scaling: 01:54
Features & Aesthetics: 08:09
Subpixels & Calibration: 12:40
Contrast & Brightness: 22:07
Colour Reproduction: 28:23
HDR (High Dynamic Range): 36:56
Responsiveness (General): 54:26
Responsiveness (VRR): 01:00:34
Conclusion: 01:06:04