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28.2 inch flat monitor in metallic grey on an articulated Ergo Arm stand

BenQ

BenQ RD280UA 28.2" 3840x2560 monitor

SKU CH-Q33B-C2AGB

A 28.2 inch 3:2 4K IPS monitor with 90 W USB-C power delivery, an integrated flexible arm stand and anti-glare Fine-Coated panel for coding comfort

  • Cabinet ColorMetallic Grey
  • Screen Size28.2"
  • Glare ScreenAnti-glare
  • LED BacklightYes
  • Resolution3840 x 2560 (4K)
  • Refresh Rate60Hz
  • Sharp text for code on a 3:2 3840x2560 IPS panel
  • Reduced glare and reflections with the exclusive Fine-Coated anti-glare surface
  • Single-cable docking via USB-C with 90W power delivery and MST daisy-chaining
  • Flexible positioning from the Ergo Arm stand with tilt, swivel and height adjustment
  • Eye comfort during long sessions with Night Hours Protection and Brightness Intelligence Gen2

28.2″ 3:2 coding monitor

The BenQ RD280UA is a 28.2-inch IPS display with a 3840 x 2560 resolution and a 3:2 aspect ratio. Its Fine-Coated anti-glare panel and dedicated coding modes are built for developers who spend long hours reading and writing code. A 60 Hz refresh rate and 5 ms response time suit typical desktop work.

Sustained load with 90 W USB-C power

The monitor delivers up to 90 W of USB-C Power Delivery while simultaneously handling video and data, so a connected laptop stays charged during full-day sessions. Typical power draw is 34 W and peaks at 205 W when the USB hub and HDR backlight are both under heavy use. Brightness Intelligence Gen2 and Night Hours Protection automatically adjust luminance to reduce eye strain over extended periods.

Check host port and desk mounting before ordering

Your computer must provide a USB-C port with DisplayPort Alt Mode and Power Delivery to use the single-cable dock, 90 W charging and MST daisy-chain features. The included Ergo Arm stand offers tilt from -5° to 30°, swivel and height adjustment, and the cabinet also supports 100 x 100 mm VESA mounting if you prefer a monitor arm. Verify cable reach for the HDMI 2.0 and DisplayPort 1.4 inputs if you plan to connect multiple sources.

Highlights

  • Sharp text for code on a 3:2 3840x2560 IPS panel
  • Reduced glare and reflections with the exclusive Fine-Coated anti-glare surface
  • Single-cable docking via USB-C with 90W power delivery and MST daisy-chaining
  • Flexible positioning from the Ergo Arm stand with tilt, swivel and height adjustment
  • Eye comfort during long sessions with Night Hours Protection and Brightness Intelligence Gen2

Specifications

BrandBenQ
ModelRD280UA
Cabinet ColorMetallic Grey
Screen Size28.2"
Glare ScreenAnti-glare
LED BacklightYes
Resolution3840 x 2560 (4K)
Refresh Rate60Hz
Viewing Angle178° (H) / 178° (V)
Display Colors1.07 Billion
Brightness350 nits (typ.), 400 nits (peak)(HDR)
Contrast Ratio1,200:1
Aspect Ratio3:2
Response Time5 ms (GtG)
PanelIPS
HDR StandardHDR10
VESA Certified DisplayHDRDisplayHDR 400
Curved Surface ScreenFlat Panel
Video Ports1 x HDMI (v2.0)
1 x DisplayPort (v1.4)
1 x USB C (PowerDelivery 90W, DisplayPort Alt Mode, Data)
Daisy Chain Technology: USB C out (MST)
USB Ports1 x USB Type-B upstream (USB 3.2 Gen 1, 5 Gbps, data only)
3 x USB Type-A downstream (USB 3.2 Gen 1, 5 Gbps, power charging 4.5W)
1 x USB Type-C downstream (USB 3.2 Gen 1, 5 Gbps, power charging 7.5W)
HeadphoneYes
Power Supply100-240 VAC
Power ConsumptionPower Consumption (normal): 34 W
Power Consumption (max): 205 W
Power Consumption (sleep mode): <0.5 W
Stand AdjustmentsTilt (down/up): -5° - 30°
Swivel (left/right): 275°/ 275°
Pivot: 90°
Height Adjustment Stand: 130 mm
Built-in Speakers2 x 2W
VESA Compatibility - Mountable100 x 100mm
FeaturesFlicker-free Technology
Brightness Intelligence Gen2 (B.I. Gen2)
Low Blue Light Plus
Color Weakness
ePaper
Eye Reminder
Night Hours Protection
KVM Switch
FW update by USB
MoonHalo
Dimensions23.70"-28.80" x 24.00" x 18.70" w/ stand
16.80" x 24.00" x 3.40" w/o stand
Weight25.00 lbs. w/ stand
16.50 lbs. w/o stand
Package ContentsQSG, Safety Instruction, Warranty Card

Questions about this item

How much power does the monitor draw when it runs all day at typical brightness?

Typical power consumption is listed at 34 W, rising to a maximum of 205 W when the 90 W USB-C port is fully loaded, and dropping below 0.5 W in sleep mode.

Which video cable must I already have to get 3840×2560 at 60 Hz?

You need either an HDMI 2.0 cable, a DisplayPort 1.4 cable, or a USB-C cable that supports DisplayPort Alt Mode; all three ports can drive the native resolution at 60 Hz.

Will my older laptop with only an HDMI 1.4 port drive the 3840×2560 panel at 60 Hz?

HDMI 1.4 is limited to 4K at 30 Hz, so the monitor would run at a lower refresh rate; use the DisplayPort 1.4 or USB-C input instead for full 60 Hz operation.

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