Display
31.5-inch, IPS, 3840 x 2160
31.5
Refresh Rate
60 Hz (hertz)
60 Hz
Brightness
550 cd/m² (peak 600 cd/m²)
550 cd
Contrast Ratio
1300 : 1
1300
Overview
A large 4K desktop and Mac-focused features define the BenQ MA320U, a 31.5-inch IPS productivity monitor with a Nano Matte panel. Its 3840 x 2160 resolution gives 140 PPI, while 99% sRGB, 97% DCI-P3 and 10-bit output suit broad-gamut design and media work. The 550 cd/m² typical brightness is unusually high, and 90 W USB-C can carry video, data and laptop power through one cable. Height, tilt and swivel adjustments are included, along with 6 W speakers. The limits are a fixed 60 Hz refresh rate, 5 ms response time and only 50 cd/m² between typical and peak brightness, so DisplayHDR 600 has little stated highlight headroom. The supplied port line also cuts off before the full input list. Buy it if you want a bright, spacious 4K USB-C workspace; skip it if high refresh or convincing HDR is central.
BrandBenQPanel TypeIPSResolution3840 x 2160Refresh Rate60 Hz (hertz)
Key Highlights
- 31.5-inch 4K workspace at 140 PPI
- 99% sRGB and 97% DCI-P3 coverage
- 550 cd/m² typical brightness
- 90 W USB-C with DisplayPort Alt Mode
- 115 mm height adjustment and built-in 6 W audio
Who Should Buy the Benq MA320U
+ Best For
MacBook desk users
90 W USB-C and MacBook Control support a one-cable setup
Design and media work
97% DCI-P3 and 10-bit output broaden the usable colour range
Large-screen productivity
31.5 inches and 4K provide room for several windows
Bright offices
550 cd/m² typical brightness gives substantial ambient-light headroom
× Not Ideal For
High-refresh users
the panel is fixed at 60 Hz
Fast competitive players
5 ms GtG and no adaptive-sync entry make gaming secondary
Serious HDR grading
600 cd/m² peak is only 50 cd/m² above typical output
Buyers needing a confirmed port map
the supplied Ports line is truncated
Display Performance
Refresh Rate
60 Hz
Suitable for productivity, not high-refresh motion
Response Time
5 ms (GtG)
Normal office-panel speed rather than competitive gaming performance
Brightness
550 cd/m² typical; 600 cd/m² peak
Bright in SDR, but HDR has only 50 cd/m² of stated headroom
Contrast
1300 : 1
Slightly above a basic 1000:1 IPS specification
Colour Gamut
99% sRGB; 97% DCI-P3
Broad coverage for design, photos and media
HDR
HDR10 / DisplayHDR 600
Accepts HDR, though the published brightness range is narrow
Gaming Performance
Refresh Rate60 HzCaps visible motion at 60 frames per second
Response Time5 ms (GtG)Fine for casual use, not a speed-led panel
VRR / Adaptive SyncNot publishedNo variable-refresh standard appears on the sheet
GPU RequirementModerate GPU sufficient4K desktop work is easy, but native-resolution games remain demanding
HDR & Brightness Reality
DisplayHDR 600 sounds stronger than the usual 400-level badge, but the published figures leave little room for HDR highlights. The MA320U is already rated at 550 cd/m² in normal use and peaks at 600 cd/m², a gap of only 50 cd/m². Its 1,300:1 IPS contrast is respectable rather than exceptional, and no local-dimming system is listed. HDR10 compatibility is useful for playback, but the sheet does not support claims of dramatic highlight separation.
Connectivity & Ports
HDMINot published in supplied textThe Ports entry ends before a complete input list
DisplayPortNot published in supplied textUSB-C DisplayPort Alt Mode is confirmed, but a separate DP socket is not visible
USB-C90 W upstream with DP Alt Mode; second USB-C listedSupports laptop video, data and charging; the second port's 15 figure is incomplete
USB Hub2 x USB 3.2 Type-A visibleThe source cuts off before the complete hub description
Audio Out3.5 mmExternal headphones or speakers can be connected
Desk Fit & Ergonomics
Size / Footprint714.5 x 493.8 x 220.2 mm with standWide 31.5-inch screen needs a reasonably deep desk
StandRemovable; 9.1 kg total weightSolid-looking adjustment set without portrait rotation
VESA Mount100 x 100 mmCompatible with standard monitor arms
Tilt-5° to +20°Covers routine seated viewing angles
Height Adjust115 mmUseful vertical range for desk alignment
Swivel / Pivot±15° swivel; ±0° pivotSmall side adjustment, but no usable portrait rotation
Real-World Use Cases
90 W USB-C, MacBook Control and a 31.5-inch 4K canvas suit a single-cable desk
97% DCI-P3 and 10-bit output support wide-gamut projects
4K resolution gives generous room for documents and side-by-side apps
6 W speakers and HDR10 are convenient, though the HDR range looks limited
Pros & Cons
Pros
- Bright 550 cd/m² typical output
- Large 4K workspace with 140 PPI
- 97% DCI-P3 and 10-bit output
- 90 W USB-C laptop connection
- Height, tilt and swivel adjustment
Cons
- Only 60 Hz with a 5 ms response time
- DisplayHDR 600 has just 50 cd/m² of stated headroom
- No usable pivot rotation
- Supplied port list is incomplete
Score & Ratings
7.8/10
Great
Model Information
6
| Specification | Value |
|---|---|
| Brand | BenQ |
| Series | DesignVue |
| Model | MA320U |
| Full Product Name | BenQ MA320U |
| Model Year | 2024 |
| Available Colors | Silver |
Display & Panel
6
| Specification | Value | What It Means |
|---|---|---|
| Screen Size | 31.5-inch | |
| Aspect Ratio | 16:9 | |
| Display Area | 90.2 % (percent) | |
| Panel Type | IPS | IPS with a Nano Matte surface - broad 178° viewing angles suit shared design work, while the matte finish should reduce direct reflections. |
| Panel Technology | Nano Matte Panel | |
| Backlight Type | W-LED |
Resolution & Pixel Details
3
| Specification | Value | What It Means |
|---|---|---|
| Native Resolution | 3840 × 2160 | |
| Pixel Density | 140 PPI | 140 PPI - text and icons should look clearly sharper than QHD at this size while remaining practical with moderate scaling. |
| Pixel Pitch | 0.182 mm (millimeters) |
Picture Quality & Color
3
| Specification | Value |
|---|---|
| Panel Bit Depth | 10 bits (8 bits + FRC) (FRC: Yes) |
| FRC | Yes |
| Display Colors | 1073741824 colors |
Refresh Rate, Response & Gaming
1
| Specification | Value |
|---|---|
| Refresh Rate Range | 60 Hz (hertz) |
Ports & Connectivity
5
| Specification | Value |
|---|---|
| HDMI Ports | 2× HDMI 2.0 |
| HDMI Version | HDMI 2.0 |
| USB-C Video Input | 1× USB-C |
| DisplayPort Alt Mode | Yes |
| HDCP Support | Yes |
Audio, Camera, Network & Smart Features
1
| Specification | Value |
|---|---|
| Built-In Camera | No |
Ergonomics & Stand
5
| Specification | Value | What It Means |
|---|---|---|
| VESA Mount | 100 × 100 mm | |
| VESA Size | 100 × 100 mm | |
| Removable Stand | Yes | |
| Height Adjustment | 115 mm | 115 mm - enough movement to align the top edge comfortably without immediately needing a monitor arm. |
| Height Range | 115 mm |
Dimensions, Weight & Design
2
| Specification | Value |
|---|---|
| Weight With Stand | 9.1 kg |
| Weight Without Stand | 6.05 kg |
Power & Operating Conditions
6
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| AC Frequency | 50/60Hz |
| Typical Power Consumption | 45W |
| Average Power Consumption | 45W |
| Maximum Power Consumption | 250W |
| Sleep Consumption | 0.5W |
Certifications, Standards & Licenses
3
| Specification | Value |
|---|---|
| Energy Star | ENERGY STAR |
| TÜV Flicker-Free | TÜV Rheinland Flicker-free Certified |
| TÜV Low Blue Light | TÜV Rheinland Low Blue Light Certified |
Frequently Asked Questions
01 Why is the MA320U rated at both 550 and 600 cd/m²? +
The first figure is its stated typical brightness and the second is its peak. A 50 cd/m² gap leaves little published reserve for brighter HDR highlights.
02 What does the Nano Matte panel change on this 31.5-inch BenQ? +
The sheet identifies a Nano Matte surface, so reflections should be less direct than on a gloss panel. It does not publish a haze value, so the strength of the matte treatment cannot be quantified.
03 How practical is the MA320U as a one-cable MacBook display? +
Its upstream USB-C supports DisplayPort Alt Mode and 90 W power. That covers many laptops, while MacBook Control is also listed among the smart features.
04 Why is the second USB-C specification incomplete? +
The supplied Ports text ends after a downstream USB-C value of 15 without stating the unit or completing the remaining ports. It should not be expanded into a confirmed 15 W claim without the full source.
05 What is the clearest performance limit of this 4K panel? +
Refresh rate is fixed at 60 Hz and response time is 5 ms GtG. Those figures suit work and media better than fast competitive play.
Reviews
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DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № MA320U