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AOC Q27G2S 27" Gaming Monitor, QHD 2K 2560x1440, 165Hz 1ms, G-SYNC Compatible, Height Adjustable, 3-Year Zero-Bright-dot,Black
AOC

AOC Q27G2S 27" Gaming Monitor

Bottom line: The AOC Q27G2S 27" Gaming Monitor: 1440p QHD IPS panel at 27 inches - sharper than 1080p without a GPU-melting pixel count; main trade-off: displayHDR 400 is entry-tier HDR; expect modest highlights, not true local dimming.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For gaming and productivity monitors, synthesises manufacturer specs against measured monitor reviews (RTINGS, Monitors Unboxed) rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. How we check display specs →

Pros & Cons

Pros

  • ✓ 1440p QHD IPS panel at 27 inches - sharper than 1080p without a GPU-melting pixel count
  • ✓ 165Hz native, overclockable to 170Hz, paired with 1ms GtG response
  • ✓ G-SYNC Compatible VRR eliminates tearing without a G-SYNC module price premium
  • ✓ 95% DCI-P3 gamut and DisplayHDR 400 certification for saturated, higher-contrast color
  • ✓ 3-year zero-bright-dot warranty plus height-adjustable stand and Low Input Lag Mode

Cons

  • ✗ DisplayHDR 400 is entry-tier HDR; expect modest highlights, not true local dimming
  • ✗ Console players cap at 120Hz, leaving 45Hz of the panel's headroom unused
  • ✗ 1ms GtG is the overdrive-assisted figure, not the typical real-world pixel response
  • ✗ IPS panel means raised black levels versus a VA alternative in dark-room gaming

Manufacturer description

Unleash your potential and win sweet victories with the AOC Q27G2S gaming monitor- a sleek battle station with QHD resolution, 165Hz lightning-fast refresh rate and 1ms GtG rapid response time. Certified G-SYNC compatible, you get low latency, high refresh rates, and incredibly smooth graphics that react instantly to what’s happening on screen. Maximize the performance of your consoles by unleashing up to 120Hz frame rate (exact performance depends on consoles) and ultra low latency, giving you an edge over your opponents. Thanks to the 178/178 degree extra-wide viewing angle, you can…

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SpecPicks Verdict

SpecPicks scored AOC Q27G2S 27" Gaming Monitor, QHD 2K 2560x1440, 165Hz 1ms, G-SYNC… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the gaming monitors category. AOC's gaming monitors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 27-inch G2 series gaming monitor with 2560x1440 Quad HD 2K resolution IPS panel, and minimal bezels.
  • Lightning-fast 165 Hz refresh rate (overclockable to 170 Hz) and rapid 1ms GtG response time lets you target moving opponents with precision, putting you ahead of the game. Fast-moving action and dramatic transitions will be rendered smoothly without the effects of ghosting.
  • G-SYNC compatible VRR technology ensures ultra-smooth, tear-free team fights for flawless skill shots and stutter-free loading times.
  • DCI-P3 95% color gamut and DisplayHDR 400 brings characters to life and creates stunning imagery with dynamic color range, rich details, and diverse contrast for full immersion.
  • AOC Low Input Lag Mode delivers a lag-free display for higher resolution and maximizes in-game responsiveness, giving the player an edge over the competition.

Full Specifications

BrandAOC
ColorBlack
ShapeRectangular
Voltage240 volts
Brightness350 cd/m²
Model NameGaming Monitor Flat
ResolutionQHD Wide 1440p
Pixel Pitch0.23
Screen Size27 inches
Aspect Ratio16:9
Display TypeLED
Model NumberQ27G2S
Refresh Rate165 hertz
Adaptive SyncG-Sync
Mounting TypeVESA Mount
Response Time1 milliseconds
Screen FinishGlossy
Viewing Angle178 degrees
Warranty Type3 Years Manufacturer Warranty
Contrast Ratio1000 : 1 (Typical)
Full listing titleAOC Q27G2S 27" Gaming Monitor, QHD 2K 2560x1440, 165Hz 1ms, G-SYNC Compatible, Height Adjustable, 3-Year Zero-Bright-dot,Black

Ready to buy?

AOC Q27G2S 27" Gaming Monitor, QHD 2K 2560x1440, 165Hz 1ms, G-SYNC Compatible, Height Adjustable, 3-Year Zero-Bright-dot,Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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AOC Q27G2S 27" Gaming Monitor, QHD 2K 2560x1440, 165Hz 1ms, G-SYNC Compatible, Height Adjustable, 3-Year Zero-Bright-dot,Black
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