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White flat 27 inch gaming monitor on stand, thin bezels, matte screen

BenQ

BenQ EX271U 27" 4K 165Hz gaming monitor

SKU CH-59WF-F7Y81 MPN EX271U

A 27" 4K IPS panel running at 165 Hz with 1 ms response, 95% P3 colour, DisplayHDR 400 and 65 W USB-C plus a built-in KVM switch

  • Cabinet ColorWhite
  • Screen Size27"
  • WidescreenYes
  • Glare ScreenAnti-glare
  • PanelIPS
  • Adaptive Sync TechnologyFreeSync Premium (AMD Adaptive Sync)
  • 4K 165 Hz IPS panel delivers smooth ultra-high-definition motion
  • 1 ms GtG response cuts ghosting in fast scenes
  • 95 % P3 colour gamut with 1.07 billion colours for vivid accuracy
  • DisplayHDR 400 certification provides 400 nits peak brightness
  • USB-C 65 W, DP 1.4 and HDMI 2.1 plus KVM simplify multi-device setups

27-inch 4K 165 Hz IPS panel

The BenQ EX271U uses a 27-inch flat IPS panel with a 3840 x 2160 resolution and a 165 Hz refresh rate. A 1 ms grey-to-grey response time and FreeSync Premium support keep motion clear in fast games. The screen reaches 400 cd/m² brightness and covers 95% of the DCI-P3 gamut with 1.07 billion colours. DisplayHDR 400 certification confirms baseline HDR performance.

Connectivity and ergonomics

Video inputs comprise DisplayPort 1.4, two HDMI 2.1 ports and a USB-C connection that delivers up to 65 W of power. An integrated KVM switch lets one keyboard and mouse control two sources. The cabinet is finished in white with an anti-glare coating and offers 178° horizontal and vertical viewing angles. Built-in eARC support simplifies audio return to a compatible sound system.

1 ms GtG response at 165 Hz

The 1 ms grey-to-grey response time at the full 165 Hz refresh rate is the specification that determines suitability for competitive gaming. If your priority is the lowest possible motion blur at 4K, this figure is the deciding factor. For workflows that value higher static contrast or peak brightness beyond 400 nits, a different panel type would be more appropriate.

Highlights

  • 4K 165 Hz IPS panel delivers smooth ultra-high-definition motion
  • 1 ms GtG response cuts ghosting in fast scenes
  • 95 % P3 colour gamut with 1.07 billion colours for vivid accuracy
  • DisplayHDR 400 certification provides 400 nits peak brightness
  • USB-C 65 W, DP 1.4 and HDMI 2.1 plus KVM simplify multi-device setups

Specifications

BrandBenQ
ModelEX271U
Cabinet ColorWhite
Screen Size27"
WidescreenYes
Glare ScreenAnti-glare
PanelIPS
Adaptive Sync TechnologyFreeSync Premium (AMD Adaptive Sync)
Resolution3840 x 2160 (4K)
Viewing Angle178° (H) / 178° (V)
Aspect Ratio16:9
Brightness400 cd/m2
Contrast Ratio1,200:1
Response Time1 ms (GtG)
Color Gamut95% P3
Display Colors1.07 Billion
Refresh Rate165Hz
HDR StandardHDR10
VESA Certified DisplayHDRDisplayHDR 400
Curved Surface ScreenFlat Panel
Video Ports1 x DisplayPort 1.4 / 3 x HDMI 2.1
USB Ports1 x USB Type-C (PowerDelivery 65W, DisplayPort Alt Mode, Data)
1 x USB Type-C 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, 50/60Hz
Power ConsumptionPower Consumption (normal): 32 W
Power Consumption (max): 180 W
Power Consumption (sleep mode): <0.5 W
Power Delivery(USB C / Thunderbolt ): 65W
Stand AdjustmentsTilt (down/up): -5° - 15°
Swivel (left/right): 15°/ 15°
Pivot: 90°
Height Adjustment Stand: 100 mm
Built-in SpeakersNo
VESA Compatibility - Mountable100 x 100mm
Dimensions14.8" x 24" x 3.6" w/o Base
21.5" x 24.2" x 10.9" Landscape
Weight15.4 lbs.
11 lbs. w/o Base
Shipping weight6.99 kg
Package size615 × 546 × 224 mm

Questions about this item

Does the monitor include a KVM switch so I can control two computers with one keyboard and mouse?

Yes, a built-in KVM lets you share a single keyboard and mouse between the PC on DisplayPort and the laptop on USB-C.

Can the USB-C port charge a laptop while sending 4K 165 Hz video?

The port delivers up to 65 W power and carries DisplayPort 1.4 video, supporting 4K at 165 Hz over one cable.

Will the eARC HDMI port pass lossless audio to a soundbar?

HDMI 2.1 with eARC sends uncompressed audio formats such as Dolby TrueHD and DTS-HD Master Audio to a compatible receiver.

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