Review: Cooler Master GM27-CQS


Cooler Master launched the GM27-CQS in early 2023. This is a 27-inch curved monitor offering QHD resolution at a reasonable price. This 27-inch gaming monitor is also DisplayHDR True Black 400 certified.

Let’s see in real life how this MGM27-CQS monitor from Cooler Master performs, which will cost you €219.

Cooler Master GM27-CQS monitor

Cooler Master GM27-CQS specifications:

  • Ultra-Speed VA
  • QHD resolution (2560×1440)
  • HDR400-certified brightness – up to 90% P3 color coverage
  • 4000:1 contrast
  • 178° viewing angles
  • 0.5ms response rate
  • Maximum frequency of 170Hz
  • FreeSync Premium
  • VESA 100x100mm
  • 1x DisplayPort 1.4a
  • 2x HDMI 2.0
  • 130mm height adjustment


The GM27-CQS adopts a very gaming design. The edges are slim, measuring approximately 9 mm. The foot, in the shape of Cooler Master’s hexagonal logo, is wide and solid. The fixing system is solid, the stand is stable and features a quick-release system . There’s also a VESA 100×100 mm mounting system. In terms of ergonomics, the screen is also height-adjustable (13cm). Cooler Master offers a very aggressive design on the rear of the screen, but without RGB .

To adjust the screen, there’s a mini joystick on the back of the screen, which simplifies settings in the OSD. No software for Cooler Master, which offers a simple, effective screen.