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AOC G4 Q27G42XE computer monitor 68.6 cm (27") 2560 x 1440 pixels Quad HD Black, Red
G-SYNC Compatible
Enable flawless picture quality by synchronising new generations of NVIDIA graphics cards* with this G-SYNC Compatible monitor. *Please refer to NVIDIA website for the complete list of GPUs working with G-SYNC Compatible monitors

Low Input Lag
Unleash your reflexes by switching to the AOC Low Input Lag mode. Forget graphical frills: this mode rewires the monitor in favour of raw response time, giving the ultimate edge in hair trigger stand offs.

Live the game at its best with HDR10
HDR10 is here to enhance picture quality even further, improving the synchronization of your GPU or your console with the monitor. This creates a more realistic, immersive, and smooth gaming experience: You’ll feel like stepping in the game, frame by frame.

E-sports monitor stand
Our new stand. Co-designed with eSports professionals, allows you to maximize free space for all your peripherals. The base of the monitor is designed to reduce the footprint of your monitor on your desk, and even allows you to place your keyboard on top. The stand includes cable management to keep your desk clean. No matter what genre you compete in, we want you to feel like a pro.
The Q27G42XE features a 27" QHD Fast IPS panel, 180Hz refresh rate, and 1ms GtG response time for crisp and smooth visuals. With HDR10, G-Sync compatible, and low input lag, it ensures reliable performance. A battle-station-ready design, recyclable packaging, and G-Menu software make this monitor a practical and eco-friendly addition to any gaming setup.
| Audio | |
|---|---|
| Built-in speaker(s) | Yes |
| RMS rated power | 4 W |
| Performance | |
| Built-in speaker(s) | Yes |
| RMS rated power | 4 W |
| Built-in camera | No |
| Game mode | Yes |
| NVIDIA G-SYNC | Yes |
| VESA Adaptive Sync support | Yes |
| Low Blue Light technology | Yes |
| Flicker-free technology | Yes |
| Brand specific technologies | Crosshair |
| Low input lag | Yes |
| FPS counter | Yes |
| Dial point | Yes |
| Shadow control | Yes |
| Motion blur reduction | Yes |
| Display | |
| Display brightness (typical) | 300 cd/m² |
| Screen shape | Flat |
| Display number of colours | 16.7 million colours |
| Native aspect ratio | 16:9 |
| Pixel density | 108 ppi |
| Maximum refresh rate | 180 Hz |
| sRGB coverage (typical) | 120% |
| Adobe RGB coverage | 89.9% |
| HD type | Quad HD |
| Contrast ratio (dynamic) | 80000000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Pixel pitch | 0.2745 x 0.2745 mm |
| Digital horizontal frequency | 30 - 270 kHz |
| Digital vertical frequency | 48 - 180 Hz |
| Backlight type | W-LED |
| Display resolution | 2560 x 1440 pixels |
| Response time | 1 ms |
| Display diagonal | 68.6 cm (27") |
| Contrast ratio (typical) | 1000:1 |
| Surface hardness | 3H |
| Touchscreen | No |
| High Dynamic Range (HDR) supported | Yes |
| Panel type | Fast IPS |
| DCI-P3 coverage | 92.9% |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Display diagonal (metric) | 68.6 cm |
| LED backlight | Yes |
| Local dimming | Yes |
| Response time measurement type | GTG (Gray to Gray) |
| Response time (MPRT) | 0.5 ms |
| Anti-glare screen | Yes |
| Management features | |
| On Screen Display (OSD) | Yes |
| Number of OSD languages | 19 |
| On Screen Display (OSD) languages | Simplified Chinese, Traditional Chinese, Croatian, Czech, German, Dutch, English, Spanish, Finnish, French, Italian, Japanese, Korean, Polish, Portuguese, Russian, Swedish, Turkish, Ukrainian |
| Multimedia | |
| Number of speakers | 2 |
| Built-in speaker(s) | Yes |
| RMS rated power | 4 W |
| Built-in camera | No |
| Design | |
| Market positioning | Gaming |
| Certification | WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC |
| Product colour | Black, Red |
| Front bezel colour | Black |
| Frameless design | Yes |
| Detachable stand | Yes |
| Camera | |
| Built-in camera | No |
| Ports & interfaces | |
| Headphone out | Yes |
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| Headphone outputs | 1 |
| Headphone connectivity | 3.5 mm |
| HDMI | Yes |
| HDMI version | 2.0 |
| DisplayPort version | 1.4 |
| DisplayPort out version | 1.4 |
| Technical details | |
| Height (without stand) | 366.3 mm |
| Depth (without stand) | 51 mm |
| Width (without stand) | 613.9 mm |
| Cable lock slot | Yes |
| HDMI | Yes |
| Product colour | Black, Red |
| Front bezel colour | Black |
| Doesn't contain | Mercury, PVC/BFR |
| Warranty period | 3 year(s) |
| Power supply type | Internal |
| Game mode | Yes |
| Weight (with stand) | 3.88 kg |
| Surface hardness | 3H |
| Touchscreen | No |
| Ergonomics | |
|---|---|
| VESA mounting | Yes |
| Cable lock slot | Yes |
| Panel mounting interface | 100 x 100 mm |
| LED indicators | Yes |
| Tilt angle range | -3 - 21° |
| On Screen Display (OSD) | Yes |
| Number of OSD languages | 19 |
| On Screen Display (OSD) languages | Simplified Chinese, Traditional Chinese, Croatian, Czech, German, Dutch, English, Spanish, Finnish, French, Italian, Japanese, Korean, Polish, Portuguese, Russian, Swedish, Turkish, Ukrainian |
| Height adjustment | No |
| Cable lock slot type | Kensington |
| Tilt adjustment | Yes |
| Power | |
| Power supply type | Internal |
| Power consumption (standby) | 0.5 W |
| Power consumption (typical) | 27 W |
| Power consumption (off) | 0.3 W |
| Energy efficiency scale | A to G |
| Energy efficiency class (SDR) | E |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 21 kWh |
| Energy consumption (HDR) per 1000 hours | 34 kWh |
| Weight & dimensions | |
| Height (without stand) | 366.3 mm |
| Depth (without stand) | 51 mm |
| Width (without stand) | 613.9 mm |
| Width (with stand) | 613.9 mm |
| Depth (with stand) | 197.6 mm |
| Height (with stand) | 449.7 mm |
| Weight (with stand) | 3.88 kg |
| Weight (without stand) | 3.49 kg |
| Package width | 690 mm |
| Package depth | 126 mm |
| Package height | 454 mm |
| Package weight | 6.15 kg |
| Packaging data | |
| Package width | 690 mm |
| Package depth | 126 mm |
| Package height | 454 mm |
| Package weight | 6.15 kg |
| Package type | Box |
| Cables included | AC, DisplayPort, HDMI |
| DisplayPort cable length | 1.8 m |
| HDMI cable length | 1.8 m |
| Packaging content | |
| Cables included | AC, DisplayPort, HDMI |
| DisplayPort cable length | 1.8 m |
| HDMI cable length | 1.8 m |
| Indication | |
| LED indicators | Yes |
| Sustainability | |
| Doesn't contain | Mercury, PVC/BFR |
| Other features | |
| Certification | WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC |
| DCI-P3 coverage | 92.9% |
| Warranty period | 3 year(s) |
| Brand specific technologies | Crosshair |
| Low input lag | Yes |
| FPS counter | Yes |
| Dial point | Yes |
| Shadow control | Yes |
| Motion blur reduction | Yes |
| Local dimming | Yes |
| Game mode | Yes |
| Height (without stand) | 366.3 mm |
| Depth (without stand) | 51 mm |
| Width (without stand) | 613.9 mm |
| HDMI | Yes |
| Surface hardness | 3H |
| Energy efficiency scale | A to G |
| Power supply type | Internal |
| Touchscreen | No |
| Package type | Box |
| Front bezel colour | Black |
| Certificates | |
| Certification | WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC |