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Cooler Master GM34-CWQ ARGB Review (3440×1440 VA)

Rating: 8.0.

Back in 2020, Cooler Master launched its first ever gaming monitor, the ultrawide GM34-CW. Today, nearly two years later, the company is back with the GM34-CWQ ARGB. Sporting a 3440×1440 curved VA panel, on paper it may not look like much has changed compared to the original model. Cooler Master will be hoping its greater experience of the monitor market will be evident however – so let's find out if this new screen is worth buying.

Ultrawide gaming monitors have been growing in popularity over the last few years, and the Cooler Master GM34-CWQ ARGB looks to follow a tried-and-tested formula. The UWQHD resolution, paired with its 144Hz refresh rate, should offering an immersive yet fluid gaming experience, and we know VA panels offer some of the best contrast levels going – Cooler Master quotes a 4000:1 ratio here, compared to 3000:1 for the original CM34-CW.

There are plenty of similarities between the two monitors, with the same 1500R curvature and Quantum Dot technology in place, however the GM34-CWQ also boasts a faster 0.5ms MPRT. We have our own grey-to-grey response time figures as part of this review. As the name suggests, the CM34-CWQ also boasts the addition of ARGB lighting in the base of the stand.

Priced at £419.99 in the UK, let's find out what this screen has to offer…



  • Product Number: CMI-GM34-CWQA
  • Curve / Ratio / Screen Size: 1500R / 21:9 / 34”
  • Panel: VA 8bit w/ Quantum Dot
  • Resolution: UWQHD 3440*1440
  • Frame Rate: 144 Hz
  • Contrast Ratio: 4000:1
  • Viewing Angle (H/V): 178°/178°
  • Brightness (Typical): 400 nits
  • DisplayHDR400: Compatible
  • Color Gamut: DCI-P3 98%
  • I/O (Input/Output): DP*1 + HDMI2.0*2 + Speaker 5W*2, TypeC*1(PD 65W)+TypeB*1+TypeA*2″
  • DCR (Dynamic Contrast Ratio): Yes
  • VRR Technology: FreeSync Premium. FreeSync Range: Yes. G-Sync Range: Yes
  • Response Time: 0.5ms (MPRT)
  • Eye Protection: Low Blue Light
  • Anti-flicker: Yes
  • Overdrive Technology: Yes
  • Lighting: ARGB
  • VESA: 100*100mm
  • Height Adjustment: 0-80mm
  • Swivel: -15°~15°
  • Tilt: -5°~+15°”

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