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Key specs
Size27 in
Resolution2560 x 1440
Refresh rate180 Hz
PanelFast IPS
Response time1 ms
HDRDisplayHDR 400
Ports2x HDMI 2.0, 1x DisplayPort 1.4, headphone out (3.5 mm)
Adaptive syncAdaptive Sync, NVIDIA G-SYNC Compatible
StandHeight (130 mm), tilt (-3 to 21 degrees), swivel (-28 to 28 degrees), pivot (-90 to 90 degrees)
Color gamut93.5% DCI-P3

Source: AOC official specs (opens in a new tab), checked line by line, checked Nov 9, 2026. Specs from the official AOC UK page; no US page found as of Nov 2026 (the AOC US address for this model redirects to the gaming monitor list). Response time is GtG (0.5 ms MPRT). 180 Hz over DisplayPort; HDMI 2.0 tops out at 144 Hz. Typical brightness is left out because no AOC US page lists it. No USB ports. Not the Q27G4XN, Q27G4XF or Q27G4XM.

AOC · Gaming

AOC Q27G4X

1440p 180 Hz with HDR400.

Offerove spec score 6.8 out of 10Response time 8.0, refresh rate 4.0, resolution 2.6. How it works

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Where to buy

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You finish your purchase on the store's website.

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Good for

  • PC gamers on a mid-range GPU
  • First 1440p gaming monitor
  • 180 Hz QHD Fast IPS panel
  • DisplayHDR 400 certified
  • Height, tilt, swivel, pivot stand

Not for

  • Laptop users wanting USB-C
  • Console players wanting HDMI 2.1
  • HDMI limited to 144 Hz
  • No USB-C input listed

Alternatives

Same type, from our catalog.

All monitors
AOC Q27G4XCheck price at AOC (opens AOC in a new tab)