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iiyama GB2770QSU 1440p/165Hz Monitor Review

Rating: 8.5.

We've reviewed a lot of high-end monitors recently, including 4K screens costing in excess of £1000. By their very nature, such displays won't be for everyone, but the iiyama GB2770QSU is sure to have wider appeal. Offering a 27in 1440p panel – considered by many to be the ‘sweet spot' for gaming – this 165Hz IPS gaming monitor is priced at just £250. That's a seriously enticing price tag, but surely there's a catch?

1440p displays have been steadily increasing in popularity over the years, offering a sharper image than a 1080p screen without being nearly so demanding to run as 4K. It's also promising that iiyama can offer the GB2770QSU at such an appealing price point – this sort of spec isn't new, but it wasn't so long ago such displays were priced north of £500.

Still, we have to think at least some compromise has been made to hit the £250 asking price, so let's find out if the GB2770QSU is worth buying.


  • Diagonal: 27″, 68.5cm
  • Panel: Fast IPS, matte finish
  • Native resolution: 2560 x 1440 @165Hz (3.7 megapixel WQHD, DisplayPort)
  • Aspect ratio: 16:9
  • Panel brightness: 400 cd/m²
  • Static contrast: 1000:1
  • Advanced contrast: 80M:1
  • Response time (MPRT): 0.5ms
  • Viewing zone: horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89°
  • Colour support: 16.7mln 8bit
  • Horizontal Sync: 30 – 242kHz
  • Viewable area W x H: 596.7 x 335.6mm, 23.5 x 13.2″
  • Pixel pitch: 0.233mm
  • Colour: matte, black
  • Signal input:
  • HDMI x1 (v.2.0, max. 2560 x 1440 @144Hz)
  • DisplayPort x1 (v.1.4, max. 2560 x 1440 @165Hz)
  • USB HUB x2 (v.3.0 DC5V, 900mA)
  • HDCP: yes
  • Headphone connector: yes
  • Display position adjustments: height, pivot (rotation), tilt
  • Height adjustment: 130mm
  • Rotation (PIVOT function): 90°
  • Tilt angle: 18° up; 3° down
  • VESA mounting: 100 x 100mm
  • Cable management system: yes

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