Exact record: MOBIUZ EX321UX, US. Evidence: first-party model-specific material checked 2026-10-11. Manufacturer specifications are attributed; Olive Branch has not conducted a hands-on test.
Quick Verdict and source facts
EX321UX combines a 31.5-inch 4K panel and 144 Hz refresh with a 1,152-zone Mini LED backlight. BenQ states a 1,000-nit HDR peak and lists height, tilt and swivel adjustment, plus KVM and eARC.
Pros from documentation
4K/144 Hz specification, extensive local dimming and flexible stand.
Constraints and limitations
peak brightness does not describe sustained full-screen luminance; PC or console input capabilities and HDR behavior vary by source and setting. No color, latency, blooming or uniformity measurement was performed.
Final Verdict
a strong specification fit for a desk shared by gaming and high-resolution work, pending independent exact-model display testing. US EX321UX page.
Primary source
https://www.benq.com/en-us/monitor/gaming/ex321ux.html
Testing Status: Desk Research Only
Evidence Grade: Needs editor verification.
Last Verified: 10/11/2026
Quick Verdict
EX321UX combines a 31.5-inch 4K panel and 144 Hz refresh with a 1,152-zone Mini LED backlight. BenQ states a 1,000-nit HDR peak and lists height, tilt and swivel adjustment, plus KVM and eARC.
Key Product Facts
| Brand | BenQ |
|---|---|
| Manufacturer | Needs editor verification. |
| Model or SKU | MOBIUZ EX321UX, US |
| Markets Sold | Needs editor verification. |
| Official Product Page | Visit official source |
Specifications and Compliance
Technical Specifications
31.5-inch 3840×2160 display; 144 Hz; 1152-zone Mini LED backlight; manufacturer-stated 1000-nit HDR peak; height/tilt/swivel stand; KVM and eARC features
Pros
4K/144 Hz specification, extensive local dimming and flexible stand.
Cons
peak brightness does not describe sustained full-screen luminance; PC or console input capabilities and HDR behavior vary by source and setting. No color, latency, blooming or uniformity measurement was performed.
Final Verdict
a strong specification fit for a desk shared by gaming and high-resolution work, pending independent exact-model display testing. US EX321UX page.
Evidence Sources
https://www.benq.com/en-us/about-benq/corporate.html | https://www.benq.com/en-us/monitor/gaming/ex321ux.html
Editorial Transparency
| Reviewed By | Needs editor verification. |
|---|---|
| Reviewer Credentials | Needs editor verification. |
| Commercial Relationship | Needs editor verification. |
| Product Provided by Brand | Needs editor verification. |