AOC Q27G40ZDF 27" QD-OLED Gaming Monitor QHD 240Hz 0.03ms | HDR | Adaptive Sync | HDMI 2.0 | DP 1.4 | VESA
Description
The AOC Q27G40ZDF is a premium 27-inch QD-OLED gaming monitor built for high-refresh-rate gaming and rich HDR visuals. It combines a 2560 × 1440 QHD resolution, 240Hz refresh rate, 0.03ms GtG response time, deep OLED contrast, wide color coverage, and Adaptive Sync / G-SYNC Compatible support.
Product Overview
| Specification | Details |
|---|---|
| Brand | AOC |
| Model | Q27G40ZDF |
| Screen Size | 27" class |
| Panel Type | QD-OLED |
| Resolution | 2560 × 1440 QHD |
| Refresh Rate | 240Hz |
| Response Time | 0.03ms GtG |
| Aspect Ratio | 16:9 |
| Panel Surface | Anti-Reflection |
| Design | 3-Sided Frameless |
| Color | Black |
AOC lists the panel as QD-OLED, with 178° / 178° viewing angles and up to 99% DCI-P3 coverage.
Display Specifications
| Specification | Details |
|---|---|
| Resolution | 2560 × 1440 |
| Panel | QD-OLED |
| Refresh Rate | 240Hz |
| Response Time | 0.03ms GtG |
| Viewing Angle | 178° H / 178° V |
| DCI-P3 Coverage | 99% typical |
| SDR Brightness | 200 nits typical, full white |
| HDR Brightness | Up to 400 nits typical at 10% APL |
| Contrast | OLED-level ultra-high contrast |
| Pixel Pitch | 0.2292 mm |
| Pixel Density | 108.79 PPI |
QD-OLED Visual Quality
The QD-OLED panel combines OLED self-emissive pixels with Quantum Dot color technology, delivering:
- Deep blacks
- High contrast
- Vivid colors
- Excellent viewing consistency
- Fast pixel transitions
- Strong HDR image quality
This makes it especially suitable for dark cinematic games, competitive shooters, RPGs, movies, and content creation.
240Hz Gaming Performance
The 240Hz refresh rate is designed for smooth high-frame-rate gameplay.
Benefits include:
- Ultra-smooth motion
- Reduced motion blur
- Faster frame updates
- Better tracking of moving targets
- Improved competitive responsiveness
Combined with the 0.03ms GtG response time, it is particularly suited to FPS, racing, MOBA, and esports titles.
Adaptive Sync / G-SYNC Compatible
The monitor supports variable-refresh-rate gaming and is listed by AOC as G-SYNC Compatible.
Benefits:
- Reduced screen tearing
- Reduced stuttering
- Smoother frame delivery
- Better synchronization with compatible GPUs
HDR
AOC lists the Q27G40ZDF as HDR Ready, with HDR brightness reaching approximately 400 nits at 10% APL.
Connectivity
| Port | Quantity |
|---|---|
| HDMI 2.0 | 1 |
| DisplayPort 1.4 | 1 |
| 3.5mm Audio Out | 1 |
This is an important correction to the title you supplied: the official Q27G40ZDF specification currently lists 1 × HDMI 2.0, not two HDMI ports.
Stand & Ergonomics
This model uses a tilt-only stand.
| Adjustment | Support |
|---|---|
| Tilt | Yes |
| Swivel | No |
| Pivot | No |
| Height Adjustment | No |
AOC lists the tilt range around -3° to +21.5° on its Singapore page; regional listings may round this slightly differently.
VESA Mount
- 100 × 100 mm VESA
- Compatible with monitor arms
- Compatible with wall mounts
- Suitable for multi-monitor installations
Gaming & Comfort Features
Officially listed features include:
- Low Input Lag
- Flicker-Free
- Anti Blue Light
- G-SYNC Compatible
- PbP / PiP
- Frameless Design
- QD-OLED panel
- Graphene cooling
AOC specifically highlights graphene cooling to help manage panel temperatures and improve long-term OLED performance stability.
Physical Specifications
| Specification | Details |
|---|---|
| Product With Stand | 609.3 × 454.3 × 192.2 mm |
| Product Without Stand | 609.31 × 355.3 × 57.03 mm |
| Net Weight | 4.96 kg |
| Weight Without Stand | 4.11 kg |
| Gross Packaged Weight | 7.78 kg |
| Package Size | 780 × 455 × 139 mm |
Power
| Specification | Details |
|---|---|
| Input | 100–240V, 50/60Hz |
| Typical Consumption | 63W |
| Maximum Consumption | 75W |
| Standby | 0.5W |
| Off | 0.3W |
Main Product Highlights
- 27" QD-OLED
- 2560 × 1440 QHD
- 240Hz Refresh Rate
- 0.03ms GtG
- 99% DCI-P3
- HDR Ready
- Adaptive Sync / G-SYNC Compatible
- HDMI 2.0
- DisplayPort 1.4
- Low Input Lag
- Flicker-Free
- Anti Blue Light
- 100 × 100 mm VESA
- Tilt-Only Stand
- Graphene Cooling
- 3-Sided Frameless Design
