Skip to main content
BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen QD-OLED 240Hz 0.03ms HDMI 2.1, DP2.1a(80Gbps) USB-C 90W Gaming Monitor, 99% DCI-P3, DisplayHDR 400, FreeSync Premium Pro, Remote Controller, 3-Year OLED Warranty
BenQ

BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen QD-OLED 240Hz 0.03ms HDMI 2.1

Bottom line: The BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen QD-OLED 240Hz 0.03ms HDMI 2.1 is a specs-and-price decision rather than a crowd-consensus one in the gaming monitors category, priced around $1149.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

$1149.99

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Mike Perry — Hardware researcher since 2014. For gaming and productivity monitors, synthesises manufacturer specs against measured monitor reviews (RTINGS, Monitors Unboxed) rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. How we check display specs →

*Price sourced from Amazon.com. Last updated 2026-09-29. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Backed by BenQ's warranty and support channels

Cons

  • ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

SpecPicks Verdict

SpecPicks scored BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen QD-OLED 240Hz 0.03ms HDMI 2.1… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the gaming monitors category. BenQ's gaming monitors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Epic 31.5” 4K 4th Gen QD-OLED, 240Hz – Immerse yourself in ultra-sharp 4K visuals with lightning-fast 240Hz refresh rate for buttery-smooth gameplay
  • Next-Level Color & Contrast – 4th Gen QD-OLED delivers jaw-dropping quantum-dot colors and perfect OLED blacks for breathtaking, lifelike visuals
  • True HDR Experience – VESA DisplayHDR 400 True Black, 99% DCI-P3, 10-bit color, and Delta E < 2 bring games and movies to life with professional-grade color accuracy
  • BenQ Spectral Color & Pixel Contrast – Studio-grade tuning enhances shadow depth, brightness, and color richness for ultra-immersive gaming scenes
  • Color Shuttle Game Art Database – Over 120 custom color profiles designed to match your favorite game art styles for precise, true-to-intent visuals

Full Specifications

BrandBenQ
ColorWhite
Model NameEX321UZ
Resolution4K UHD 2160p
Unit Count1 Count
Screen Size32 inches
Aspect Ratio16:9
ConnectivityUSB-C
Display TypeOLED
Model NumberEX321UZ
Refresh Rate240 hertz
Adaptive SyncFreeSync Premium Pro
Response Time3 milliseconds
Screen FinishMatte
Warranty Type3 Years Manufacturer Warranty
Native Resolution3840x2160
Display TechnologyOLED
Additional Features4th Gen QD-OLED, 240Hz, DisplayHDR 400, FreeSync Premium Pro, Remote Controller
Warranty Description3 Years Manufacturer
Hardware ConnectivityDisplayPort, HDMI
Full listing titleBenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen QD-OLED 240Hz 0.03ms HDMI 2.1, DP2.1a(80Gbps) USB-C 90W Gaming Monitor, 99% DCI-P3, DisplayHDR 400, FreeSync Premium Pro, Remote Controller, 3-Year OLED Warranty

Ready to buy?

BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen QD-OLED 240Hz 0.03ms HDMI 2.1, DP2.1a(80Gbps) USB-C 90W Gaming Monitor, 99% DCI-P3, DisplayHDR 400, FreeSync Premium Pro, Remote Controller, 3-Year OLED Warranty is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $1149.99

*Price sourced from Amazon.com. Last updated 2026-09-29. Price and availability subject to change.

Related Gaming Monitors

BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen QD-OLED… head-to-head

Side-by-side specs, prices, and a pick for each matchup — no tab-switching.

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →