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BenQ · IPS · 31.5"

RD320U

3840×2160 · 60 Hz

Overall
79
Work
89
Play
71
Amazon
$680
$680
Available on Amazon Updated Aug 30, 2026 Prime FBA
Overall78.9
Work88.8
Play70.9
Refresh36.0
Response60.0
Color100.0
Quality / price23.2

Written analysis

RD320U at a glance

The RD320U is a 31.5" IPS monitor at 3840×2160 and 60 Hz. The backlight is listed as W-LED.

Best fit: productivity, document work, and color-sensitive desktop use where sharpness and office panel class matter.

Panel and image

Overall quality is 78.9, with 88.8 work and 70.9 play. Pixel density is listed at 139 PPI. Typical brightness is 400 nits. Contrast is listed as 2000:1. The coating is Anti-glare/Matte (3H). The listed pixel count sits in the high-resolution class used by the work and overall scores.

Color and HDR

Recorded gamut coverage is 98% DCI-P3. Color depth is listed as 10-bit FRC. The work score is a solid everyday office result rather than a specialist color-critical display.

Motion and sync

Refresh is listed at 60 Hz. Response time is listed as 5.00 ms. The play score covers mainstream gaming and media; competitive high-refresh use still depends on the GPU keeping up. Pair this resolution with the GPU table before assuming native high settings.

Ergonomics and connectivity

Stand and mount options are listed as Height · Swivel · Tilt · VESA (100x100mm). Recorded inputs include 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; 90W; MST), 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream; 7.5W), 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream; 4.5W), 1 x USB 3.2 (Type-B; Gen 2; 10 Gbps; upstream), 3 x USB 3.2 (Type-A; Gen 2; 10 Gbps; downstream), 2 x HDMI 2.0, 1 x DisplayPort 1.4, 1 x 3.5 mm Audio Out. Speakers are listed as 2 x 3 W (watts).

Buying verdict

Overall quality is 78.9, a strong mainstream result for a primary desktop display.

At the recorded Amazon price, quality / price is 23.2. The nearby comparison below may reveal a better-equipped option at a similar price.

Work / price is 26.1 and play / price is 14.6.

Display data

Full specifications

Panel, color, motion, connectivity, ergonomics, power, and value in one sheet.

General

Manufacturer
BenQ
Monitor
RD320U
Launch price
Amazon price
$680
Amazon availability
Available
Price updated
Aug 30, 2026
Launch date
Jan 1, 2024

Panel

Size
31.5"
Panel type
IPS
Resolution
3840×2160
Aspect ratio
Pixel density
139 PPI
Brightness
400 nits
Contrast
2000:1
Display area
90.34 in²
Viewing angles
178 ° (degrees) / 178 ° (degrees)
Backlight
W-LED
Coating
Anti-glare/Matte (3H)

Color & HDR

Color depth
10-bit FRC
Colors
1073741824
DCI-P3
98.00%
sRGB
99.00%
Adobe RGB
NTSC
HDR
Local dimming
No

Motion

Refresh rate
60 Hz
Response time
5.00 ms
Input lag
Adaptive sync

Connectivity

Inputs
1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; 90W; MST), 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream; 7.5W), 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream; 4.5W), 1 x USB 3.2 (Type-B; Gen 2; 10 Gbps; upstream), 3 x USB 3.2 (Type-A; Gen 2; 10 Gbps; downstream), 2 x HDMI 2.0, 1 x DisplayPort 1.4, 1 x 3.5 mm Audio Out
Speakers
2 x 3 W (watts)

Ergonomics

Height adjustment
Yes
Pivot
No
Swivel
Yes
Tilt
Yes
VESA mount
Yes · 100x100mm

Power & value

Typical power
30.00 W
Max power
220.00 W
Overall
78.9
Work
88.8
Play
70.9
Quality / price
23.2
Work / price
26.1
Play / price
14.6

Additional information

Features
AMA (Advanced Motion Accelerator), Auto Pivot, Brightness Intelligence Gen 2 (B.I. Gen 2), Coding HotKey, Color Weakness Mode, Daisy Chaining, Display Pilot 2 (Shortcuts / Desktop Partition / Application Mode / Software Dimming / Circadian Mode), DualView Plus, ePaper, Eye-Care, Eye Reminder, Flicker-free technology, KVM Switch, Low Blue Light Plus, MoonHalo, Night Hours Protection, Picture-by-Picture, Picture-in-Picture
Accessories
HDMI cable
Amazon warranty
3 Years Manufacturer
Amazon dimensions
{'width': 23.0, 'height': 10.2, 'length': 28.0, 'weight': 34.17}

Extracted notes sit here. Amazon listing copy, when present, is at the bottom of the page.

Amazon

Price history

Nearby quality

Similar monitors

IPS monitors close to RD320U on overall quality. Open the monitor table to sort, filter, and compare side by side.

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LG 27UP85NP 27" · IPS · 3840×2160 · 61 Hz
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LG 27UP850K 27" · IPS · 3840×2160 · 61 Hz
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LG 32UN880K 31.5" · IPS · 3840×2160 · 61 Hz
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BenQ MA320U 31.5" · IPS · 3840×2160 · 60 Hz
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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

[Nano Matte Panel] Featuring a low reflection property to minimize distractions, delivering unparalleled clarity for peak performance.

[Coding Modes with Dark Theme and Light Theme] BenQ's advanced coding modes deliver clear fonts and better code differentiation, reducing eye strain.

[Night Hours Protection] Benefit from minimum brightness technology, discover enhanced eye protection during night hours and dark room usage.

[MoonHalo Backlight] With customizable color temperature, brightness, and light modes, MoonHalo ensures optimal eye protection and focus.

[2000:1 Contrast Ratio] Enjoy deeper blacks and high contrast with a premium 4K display for coding, movies, gaming, and more.