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White 27-inch IPS monitor with thin bezels and a slim stand

BenQ

BenQ EX271U-R 27" 4K 165 Hz monitor

SKU CH-H3HV-W4B04 MPN EX271U-R

27-inch 4K IPS panel runs at 165 Hz with 1 ms response and FreeSync Premium, plus USB-C 65 W, KVM and VESA 100 mm mounting

  • Refresh Rate165 Hz
  • Display Colors1.07 Billion
  • Screen Size27"
  • Response Time1 ms
  • Brightness400 cd/m2
  • Contrast Ratio1000:1
  • Sharp 4K detail at 165 Hz refresh
  • Smooth motion from 1 ms response time
  • Wide 178° viewing angles keep colours consistent
  • USB-C 65 W charges laptop while displaying
  • KVM switch controls two systems with one set

27″ 4K 165 Hz gaming monitor

The BenQ EX271U-R is a 27-inch IPS display built for competitive gaming and colour-critical work. It delivers 4K UHD resolution at a 165 Hz refresh rate with 1 ms grey-to-grey response. The open-box unit includes a USB hub and KVM switch for multi-system control.

165 Hz refresh rate at native 4K

This panel runs 3840 x 2160 at 165 Hz over DisplayPort 1.4 or HDMI 2.1, so the single spec that decides fit is whether your graphics card can sustain that frame rate at 4K. FreeSync Premium provides variable refresh support, and 400 nits brightness with HDR10 adds highlight headroom.

Suits high-refresh 4K gamers and multi-PC desks

Buyers who need 4K at 165 Hz with a built-in KVM will match this spec. Users who require higher contrast than 1000:1, built-in speakers, or Thunderbolt connectivity should look at other models.

Highlights

  • Sharp 4K detail at 165 Hz refresh
  • Smooth motion from 1 ms response time
  • Wide 178° viewing angles keep colours consistent
  • USB-C 65 W charges laptop while displaying
  • KVM switch controls two systems with one set

Specifications

Refresh Rate165 Hz
Display Colors1.07 Billion
Screen Size27"
Response Time1 ms
Brightness400 cd/m2
Contrast Ratio1000:1
Aspect Ratio16:9
Viewing Angle178° (H) / 178° (V)
Adaptive Sync TechnologyFreeSync Premium
BrandBenQ
ModelEX271U
Cabinet ColorWhite
Part NumberEX271U-R
VESA Compatibility - Mountable100 x 100 mm
Shipping weight6.99 kg
Package size615 × 546 × 224 mm

Questions about this item

What does the 165 Hz refresh rate deliver on this 27" 4K panel?

The 165 Hz refresh rate on the 27-inch 4K IPS panel provides smooth motion for fast-paced gaming at 3840 x 2160 resolution.

Which video interfaces are available and what do they support?

DisplayPort 1.4 and HDMI 2.1 handle 4K at 165 Hz, while USB-C carries video, data and up to 65 W power delivery.

What mounting pattern does the monitor use for a VESA arm?

The monitor uses a 100 x 100 mm VESA mounting pattern for compatible arms or stands.

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