Display
31.5-inch, IPS, 3840 x 2160
31.5
Refresh Rate
60 Hz (hertz)
60 Hz
Brightness
400 cd/m²
400 cd
Contrast Ratio
2000 : 1
2000
Overview
Designed for programming and detailed desktop work, the BenQ RD320UA is a 31.5-inch 3840 x 2160 IPS monitor aimed at coders who want a large 4K workspace and a matte screen. Its Nano Matte Panel, 139 PPI density, 99% sRGB and 98% DCI-P3 coverage give it a strong specification for text, interface work and mixed creative use. USB-C supplies up to 90 W, while a second USB-C connection supports MST, data transfer and 7.5 W power. The stand adds 130 mm height adjustment, an unusually broad ±275° swivel range and -5° to +30° tilt. It is limited to 60 Hz and 5 ms GtG, and the supplied port line is cut off before every connection is shown. Buy it if coding comfort and one-cable 4K productivity matter; skip it if high-refresh gaming or a compact stand is the priority.
BrandBenQPanel TypeIPSResolution3840 x 2160Refresh Rate60 Hz
Key Highlights
- 31.5-inch 4K Nano Matte IPS panel
- 139 PPI with 99% sRGB and 98% DCI-P3 coverage
- 90 W USB-C plus a second USB-C connection with MST
- 130 mm height adjustment and ±275° swivel
- Built-in 2 x 3 W speakers
Who Should Buy the Benq RD320UA
+ Best For
Programmers
Coding Mode, Coding HotKey and a 31.5-inch 4K workspace are listed
USB-C laptop users
the upstream Type-C port provides display, data and up to 90 W power
Multi-display desks
the second USB-C connection lists MST support
Mixed technical and creative work
99% sRGB and 98% DCI-P3 broaden its use beyond text
× Not Ideal For
Fast gaming
the panel is fixed at 60 Hz with a 5 ms GtG claim
Small desks
the stand depth is listed at 477.6 mm
Portrait users
Pivot is shown as ±0°, so useful rotation is not provided
Buyers needing a complete port inventory
the supplied Ports entry is truncated
Display Performance
Refresh Rate
60 Hz
Standard productivity refresh rather than gaming speed
Response Time
5 ms (GtG)
Suitable for office motion, not a fast-gaming focus
Brightness
400 cd/m² typical
Peak brightness is not published
Contrast
2000 : 1
Higher claimed contrast than many standard IPS panels
Colour Gamut
99% sRGB; 98% DCI-P3
Wide coverage for mixed work
HDR
HDR10 / DisplayHDR 400
Basic HDR support without a published peak figure
Gaming Performance
Refresh Rate60 HzBest suited to casual rather than competitive play
Response Time5 ms (GtG)Motion speed is secondary to productivity
VRR / Adaptive SyncNot publishedNo adaptive-sync specification appears on the sheet
GPU RequirementModerate GPU for 4K desktop useGaming at native 4K remains more demanding
HDR & Brightness Reality
DisplayHDR 400 and HDR10 are listed, but the sheet gives only 400 cd/m² typical brightness and no separate peak figure. That leaves the actual highlight headroom unknown. The 2,000:1 contrast claim is useful for an IPS panel, yet there is no local-dimming specification here. Treat HDR as content compatibility and a possible tonal benefit, not proof of strong highlight impact or deep blacks.
Connectivity & Ports
HDMINot fully publishedThe supplied port list ends before HDMI details are visible
DisplayPortNot fully publishedNo complete DisplayPort entry is visible in the supplied line
USB-C90 W upstream plus 7.5 W MST connectionSupports laptop power, video, data and daisy chaining
USB HubDetails truncatedThe sheet cuts off during the remaining USB port list
Audio Out3.5 mmExternal headphones or speakers can be connected
Desk Fit & Ergonomics
Size / Footprint714.6 x 471 x 477.6 mm with standThe stand is notably deep
StandRemovable; 11 kg total weightBuilt for a substantial 31.5-inch panel
VESA Mount100 x 100 mmCompatible with matching monitor arms
Tilt-5° to +30°Broad backward tilt range
Height Adjust130 mmUseful vertical adjustment for long sessions
Swivel / Pivot±275° swivel; ±0° pivotExtensive side movement but no meaningful portrait rotation
Real-World Use Cases
Coding Mode, Coding HotKey and the Nano Matte Panel target long text-heavy sessions
one cable can carry video, data and up to 90 W power
the second USB-C port lists MST daisy chaining
99% sRGB and 98% DCI-P3 support wider colour use
Pros & Cons
Pros
- Large 31.5-inch 4K workspace
- 99% sRGB and 98% DCI-P3 coverage
- 90 W USB-C with a second MST-capable Type-C port
- Strong height, tilt and swivel adjustment
- Built-in 6 W speaker system
Cons
- Limited to 60 Hz and 5 ms GtG
- Very deep 477.6 mm stand footprint
- No meaningful pivot range
- Port list is incomplete in the supplied sheet
Score & Ratings
8/10
Great
Model Information
6
| Specification | Value |
|---|---|
| Brand | BenQ |
| Series | RD |
| Model | RD320UA |
| Full Product Name | BenQ RD320UA |
| Model Year | 2024 |
| Available Colors | Black |
Display & Panel
6
| Specification | Value | What It Means |
|---|---|---|
| Screen Size | 31.5-inch | |
| Aspect Ratio | 16:9 | |
| Display Area | 90.34 % (percent) | |
| Panel Type | IPS | IPS prioritises broad viewing angles and consistent colour behaviour |
| Panel Technology | Nano Matte Panel | |
| Backlight Type | W-LED |
Resolution & Pixel Details
3
| Specification | Value | What It Means |
|---|---|---|
| Native Resolution | 3840 × 2160 | |
| Pixel Density | 139 PPI | 139 pixels are fitted into each inch |
| 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
7
| Specification | Value |
|---|---|
| HDMI Ports | 2× HDMI 2.0 |
| HDMI Version | HDMI 2.0 |
| DisplayPort Input | 1× DisplayPort 1.4 |
| DisplayPort Version | DisplayPort 1.4 |
| 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 | 130 mm | The stand can move vertically through 130 mm |
| Height Range | 130 mm |
Dimensions, Weight & Design
2
| Specification | Value |
|---|---|
| Weight With Stand | 11 kg |
| Weight Without Stand | 7.3 kg |
Power & Operating Conditions
6
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| AC Frequency | 50/60Hz |
| Typical Power Consumption | 30W |
| Average Power Consumption | 30W |
| Maximum Power Consumption | 220W |
| Sleep Consumption | 0.3W |
Certifications, Standards & Licenses
5
| Specification | Value |
|---|---|
| Energy Star | Energy Star 8.0 |
| EPEAT | EPEAT Bronze |
| TCO Certified | TCO Certified 9.0 |
| TÜV Flicker-Free | TÜV Rheinland Flicker-free Certified |
| TÜV Low Blue Light | TÜV Rheinland Low Blue Light Certified (Hardware Solution) |
Frequently Asked Questions
01 Why is the RD320UA stand nearly 478 mm deep? +
The listed with-stand depth is 477.6 mm, much deeper than the panel alone. Buyers with shallow desks should measure available space or consider the 100 x 100 mm VESA mount.
02 What does the second USB-C port add beyond the 90 W connection? +
It is listed with MST, data transfer and 7.5 W power. Its main value is daisy chaining and peripheral connectivity rather than charging a laptop.
03 How useful is the Nano Matte Panel for coding? +
The sheet identifies it as a Nano Matte Panel and also lists coding-focused software features. It should reduce visible reflections compared with a glossy surface, but no measured haze or clarity data is provided.
04 Why is Pivot written as ±0° on this monitor? +
That value means the sheet does not provide a usable pivot range. Auto Pivot appears in the smart-feature list, but the physical stand specification still shows no portrait rotation.
05 What is the main performance limit of the RD320UA? +
It runs at 60 Hz and lists a 5 ms GtG response time. That is adequate for productivity, but it is not aimed at high-frame-rate gaming.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № RD320UA