RATED
Great
8.2/10
31.5″ BenQ EX321UX – Specs & Features
The BenQ MOBIUZ EX321UX is a 31.5-inch 4K gaming monitor with DisplayHDR 1000 certification - a tier almost nothing else in this range reaches without being an OLED or a referen...
Benq●Monitor
Display
31.5-inch, IPS-ADS, 3840 x 2160
31.5
Refresh Rate
48 Hz - 144 Hz
48 Hz
Brightness
700 cd/m² (peak 1000 cd/m²)
700 cd
Contrast Ratio
1000 : 1
1000
Pros & Cons
Pros
- DisplayHDR 1000 with 700 cd/m2 typical brightness
- 99% DCI-P3 at 140 PPI
- 144 Hz at 1 ms with FreeSync Premium Pro
- 65 W USB-C docking
- HDMI 2.1 for consoles at 4K120
Cons
- 1000:1 contrast caps the HDR despite the brightness
- No dimming zone count is published
- 100 mm height, +/-15 swivel, no pivot
- No speakers
Score & Ratings
8.2/10
Great
Model Information
15
| Specification | Value |
|---|---|
| Brand | BenQ |
| Series | MOBIUZ |
| Model | EX321UX |
| Model Alias | MOBIUZ EX321UX |
| Full Product Name | BenQ MOBIUZ EX321UX |
| Model Year | 2024 |
| Monitor Type | Gaming Monitor |
| Monitor Category | Gaming Monitor |
| Market Position | Mainstream Immersive Gaming |
| Primary Use | Immersive & Everyday Gaming |
| Region / Variant | Not specified |
| Launch Status | Model year 2024 |
| Available Colors | White |
| Warranty | 3 years (36 months) |
| Burn-In Warranty | Not applicable (non-OLED panel) |
Display & Panel
15
| Specification | Value |
|---|---|
| Screen Size | 31.5-inch |
| Exact Diagonal | 801 mm / 80.1 cm / 31.5354 in / 2.628 ft |
| Screen Format | 16:9 |
| Aspect Ratio | 16:9 |
| Active Display Width | 697.344 mm / 69.7344 cm / 27.4545 in / 2.2879 ft |
| Active Display Height | 392.256 mm / 39.2256 cm / 15.4431 in / 1.2869 ft |
| Display Area | 88.43 % (percent) |
| Panel Type | IPS-ADS (BOE) |
| Panel Technology | α-MLED technology | COG glass-based technology | Local dimming zones - 1152 | Number of mini LEDs - 4608 |
| Panel Manufacturer | BOE |
| Backlight Type | Mini LED |
| Local Dimming | Yes |
| Local Dimming Zones | 1152 |
| 3D Support | No |
| Screen Coating | Anti-glare / Matte (3H) / α-MLED technology / COG glass-based technology / Number of mini LEDs - 4608 |
31.5" Display Size (80 cm) 16:9
Resolution & Pixel Details
3
| Specification | Value |
|---|---|
| Native Resolution | 3840 × 2160 |
| Pixel Density | 140 PPI |
| Pixel Pitch | 0.182 mm (millimeters) |
Resolution at a Glance
Picture Quality & Color
13
| Specification | Value |
|---|---|
| Panel Bit Depth | 10 bits (8 bits + FRC) (FRC: Yes) |
| FRC | Yes |
| Display Colors | 1073741824 colors |
| Typical Brightness | 700 cd/m² |
| Peak Brightness | 1000 cd/m² |
| Static Contrast Ratio | 1000 : 1 |
| Horizontal Viewing Angle | 178 ° |
| Vertical Viewing Angle | 178 ° |
| HDR Support | HDR10 |
| HDR10 | Yes |
| Dynamic Tone Mapping | Yes |
| DCI-P3 Coverage | 99% |
| Adobe RGB Coverage | 99 % |
DESK DISTANCE FIT
65cm
CompactIdeal FitWideUltra-Wide
Fills more of your view — great for productivity, may need slight head turns toward the edges.
Refresh Rate, Response & Gaming
8
| Specification | Value |
|---|---|
| Native Refresh Rate | 120 Hz |
| Refresh Rate Range | 48 Hz - 144 Hz |
| Minimum Response Time | 1 ms / 0.0010 s |
| MPRT Response Time | 1 ms (MPRT) |
| Input Lag | 4.3 ms / 0.0043 s |
| AMD FreeSync | Premium Pro |
| Motion Blur Reduction | Supported |
| Black Equalizer | Yes |
Ports & Connectivity
14
| Specification | Value |
|---|---|
| HDMI Ports | 3× HDMI 2.1 |
| HDMI Version | HDMI 2.1 |
| DisplayPort Input | 1× DisplayPort 2.1 |
| DisplayPort Version | DisplayPort 2.1 |
| USB-C Video Input | 1× USB-C |
| DisplayPort Alt Mode | Yes |
| HDCP Support | Yes |
| USB-C Data Speed | 5 Gbps (USB 3.2 Gen 1) |
| USB-C Power Delivery | 65W |
| USB-A Ports | 3 |
| USB-B Upstream | 1× USB-B |
| KVM Switch | Yes |
| Audio Output | 3.5 mm |
| Headphone Output | 3.5 mm Audio Out |
Ports & Connections
Audio, Camera, Network & Smart Features
1
| Specification | Value |
|---|---|
| Built-In Camera | No |
Ergonomics & Stand
15
| Specification | Value |
|---|---|
| VESA Mount | 100 x 100 mm |
| VESA Size | 100 × 100 mm |
| Removable Stand | Yes |
| Height Adjustment | 100 mm |
| Height Range | 100 mm |
| Height Adjustment Range | 100 mm / 10 cm / 3.937 in / 0.3281 ft |
| Tilt Adjustment | Yes |
| Forward Tilt | 5 ° |
| Backward Tilt | 15 ° |
| Swivel Adjustment | Yes |
| Left Swivel | 15 ° |
| Right Swivel | 15 ° |
| Portrait Mode | No |
| Security Lock | Yes |
| Anti-Theft Lock | Kensington Lock |
Dimensions, Weight & Design
5
| Specification | Value |
|---|---|
| Dimensions With Stand | 714.4 mm x 498.7 mm x 306 mm (W x H x D) |
| Dimensions Without Stand | 714.4 mm x 433 mm x 98.1 mm (W x H x D) |
| Weight With Stand | 9.7 kg |
| Weight Without Stand | 7.2 kg |
| Stand Depth | 306 mm / 30.6 cm / 12.0472 in / 1.0039 ft |
Power & Operating Conditions
9
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| 110V Input Range | 100 V - 120 V |
| 220V Input Range | 220 V - 240 V |
| AC Frequency | 50/60Hz |
| Typical Power Consumption | 80W |
| Average Power Consumption | 80W |
| Maximum Power Consumption | 274W |
| Sleep Consumption | 0.5W |
| Off Consumption | 0.5 W |
Eye Care, Protection & Additional Features
6
| Specification | Value |
|---|---|
| Flicker-Free | Yes |
| Low Blue Light | Yes |
| Reader Mode | Yes |
| Auto Brightness | Yes |
| Anti-Theft Slot | Yes (Kensington lock slot) |
| Additional Monitor Features | AMA (Advanced Motion Accelerator), AMD FreeSync Premium Pro, Black eQualizer, Brightness Intelligence Plus Gen 2 technology, Color Vibrance, Color Weakness Mode, ePaper, Flicker-free technology, FPS Mode, HDRi, IR sensor, KVM Switch, Light Tuner, Low Blue Light, Motion Blur Reduction, Scenario Mapping; Anti-theft stand lock slot - Kensington |
Certifications, Standards & Licenses
3
| Specification | Value |
|---|---|
| EPEAT | EPEAT |
| TÜV Low Blue Light | TUV Rheinland Low Blue Light Certified (Software Solution) |
| VESA DisplayHDR | Display / HDR 1000 |
Included Accessories
4
| Specification | Value |
|---|---|
| HDMI Cable | HDMI cable (optional) |
| DisplayPort Cable | DisplayPort cable (optional) |
| USB-C Cable | USB Type-C cable (optional) |
| USB Upstream Cable | USB 3.2 cable (optional) |
Packaging Information
5
| Specification | Value |
|---|---|
| Package Dimensions | 955 mm x 528 mm x 208 mm (W x H x D) |
| Package Width | 955 mm / 95.5 cm / 37.5984 in / 3.1332 ft |
| Package Height | 528 mm / 52.8 cm / 20.7874 in / 1.7323 ft |
| Package Depth | 208 mm / 20.8 cm / 8.189 in / 0.6824 ft |
| Package Weight | 15.7 kg / 34.61 lbs |
⚡
Estimated Running Cost
Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.
Daily—
Monthly—
Annually—
Uses about 63% less power than the average we track in this category.
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