AOC Q27G40E Gaming 27" Fast IPS 2K QHD 180Hz 0.5ms HDR10 sRGB 127% Flicker-Free Six Game Modes G-Sync Compatible w/ HDMI 2.0 & DisplayPort
- • 27-inch QHD Display: 2560 × 1440 resolution on a Fast IPS panel.
- • 180 Hz Gaming: Up to 180 Hz refresh rate through DisplayPort for smooth high-frame-rate gameplay.
- • Fast Response: 1 ms GtG and 0.5 ms MPRT response times.
- • Gaming Technologies: G-SYNC Compatible, HDR10, Low Input Lag, Shadow Control, and MBR Sync.
- • Connectivity: HDMI 2.0, DisplayPort 1.4, 3.5 mm headphone output, and 100 × 100 mm VESA mounting.
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- Product Code:
- Q27G40E
- Brand:
- AOC
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The AOC Q27G40E is a 27-inch QHD gaming monitor built around a Fast IPS panel with a maximum 180 Hz refresh rate. Its 2560 × 1440 resolution combines increased desktop detail with fast gaming performance, while 1 ms GtG and 0.5 ms MPRT response times are designed for fast-moving gameplay.
The monitor supports G-SYNC Compatible operation, HDR10, Low Input Lag, Shadow Control, MBR Sync, Game Color, Flicker-Free technology, and multiple game modes. Display connectivity includes HDMI 2.0 and DisplayPort 1.4, while VESA 100 × 100 mm mounting provides an alternative to the included stand configuration.

Key Features
- 27-inch QHD Fast IPS Display: 2560 × 1440 resolution with Fast IPS panel technology and wide 178°/178° viewing angles.
- Up to 180 Hz Refresh Rate: Supports refresh rates up to 180 Hz for smoother fast-paced gaming when connected through DisplayPort.
- Fast Response: Rated at 1 ms GtG and 0.5 ms MPRT for reduced visible motion blur during fast action.
- G-SYNC Compatible: Supports synchronization with compatible NVIDIA graphics hardware to help reduce tearing.
- HDR10 Gaming Features: Supports HDR10 together with Low Input Lag, Shadow Control, MBR Sync, Game Color, and six game modes.
- HDMI & DisplayPort: Includes HDMI 2.0, DisplayPort 1.4, and a 3.5 mm headphone output.
Technical Specifications
| Component | Specification |
| Brand | AOC |
| Model | Q27G40E |
| Product Type | Gaming Monitor |
| Screen Size | 27 inches |
| Resolution | 2560 × 1440 QHD |
| Aspect Ratio | 16:9 |
| Panel Type | Fast IPS |
| Maximum Refresh Rate | 180 Hz |
| Response Time | 1 ms GtG / 0.5 ms MPRT |
| Brightness | 300 cd/m² |
| Static Contrast Ratio | 1000:1 |
| Viewing Angles | 178° / 178° |
| Display Colours | 16.7 million |
| Colour Gamut | sRGB 127% (CIE1931) / DCI-P3 102% (CIE1976) |
| Colour Accuracy | E<2 |
| HDR | HDR10 |
| Adaptive Sync | G-SYNC Compatible |
| HDMI | 1 × HDMI 2.0 |
| DisplayPort | 1 × DisplayPort 1.4 |
| Audio Output | 3.5 mm headphone output |
| Built-in Speakers | No |
| Stand Adjustment | Tilt -5° to 23° |
| VESA Mount | 100 × 100 mm |
| Power Supply | External |
| Typical Power Consumption | 21 W |
| Dimensions with Stand | 449.7 (H) × 613.9 (W) × 197.6 (D) mm |
| Dimensions without Stand | 366.3 (H) × 613.9 (W) × 51.1 (D) mm |
| Net Weight | 3.53 kg |
| Weight without Stand | 3.14 kg |
Compatibility & Important Information
- 180 Hz Connection: The official AOC manual specifies a maximum resolution of 2560 × 1440 at 180 Hz through DisplayPort.
- HDMI Refresh Rate: The official AOC manual specifies a maximum resolution of 2560 × 1440 at 144 Hz through HDMI.
- G-SYNC Compatible: G-SYNC Compatible operation requires compatible NVIDIA graphics hardware.
- No Built-in Speakers: The monitor does not include integrated speakers; a 3.5 mm headphone output is available.
- Stand Adjustment: The supplied stand provides tilt adjustment from -5° to 23°. The monitor also supports a 100 × 100 mm VESA mount.
| Product Specifications | |
|---|---|
| Manufacturers Link | https://th.aoc.com/product/Q27G40E |
| Monitors Specifications | |
| Screen Size | 27" |
| Refresh Rate | 180 Hz |
| Panel Type | 2K |
| Panel Technology | IPS |
| Contrast Ratio Static | 1200:1 |
| Resolution | 2560 x 1440 |
| Response Time | 0.5 ms |
| Adaptive Sync Technology | G-Sync Compatible |
| Built In Speakers | No |
| Display Port | Yes |
| HDMI | Yes |
| Brightness | 300 cd/m2 |
| Display Colors | 16.7 Million |
| Advanced Feature | |
| Color | Black |
| Speakers | No |
Q: What resolution does the AOC Q27G40E support?
A: The Q27G40E has a native QHD resolution of 2560 × 1440 on a 27-inch Fast IPS panel.
Q: Can the Q27G40E run at 180 Hz?
A: Yes. AOC specifies up to 2560 × 1440 at 180 Hz through DisplayPort.
Q: Does HDMI support 180 Hz at QHD resolution?
A: No. AOC specifies a maximum of 2560 × 1440 at 144 Hz through HDMI. DisplayPort is required for the specified 180 Hz maximum.
Q: What are the response times of the Q27G40E?
A: AOC specifies a 1 ms GtG response time and a 0.5 ms MPRT response time.
Q: Does the AOC Q27G40E support G-SYNC?
A: Yes. AOC lists the monitor as G-SYNC Compatible for use with compatible NVIDIA graphics hardware.
Q: Does this monitor support HDR?
A: Yes. The Q27G40E supports HDR10.
Q: Does the Q27G40E have built-in speakers?
A: No. AOC does not specify integrated speakers for this model, but it provides a 3.5 mm headphone output.
Q: Can the monitor be mounted on a monitor arm or wall mount?
A: Yes. The monitor supports a 100 × 100 mm VESA mounting pattern.




















