AOC Q27G4N: A Sharp 180Hz QHD Monitor for Fast Games
The AOC Q27G4N is a 27-inch gaming monitor made for players who want more detail and more speed. First, it has a QHD (2560×1440) VA panel, which is sharper than Full HD. Also, it runs at up to 180Hz with a 0.5ms (MPRT) response time. Because of this, fast scenes look smooth and clean. For example, you can track targets in Valorant, CS2 or Fortnite with less blur. Overall, it is a strong all-round gaming screen.
QHD Sharpness on a 27-Inch Screen
QHD gives you about 78% more pixels than Full HD. In addition, the 27-inch size keeps text and game details clear. As a result, open-world games, shooters and videos all look crisper. Likewise, the 16:9 shape gives plenty of room for work windows when you are not gaming.
VA Panel with Deep Contrast
The VA panel has a 5000:1 static contrast ratio, which is much higher than a typical IPS screen. Because of this, dark scenes look deeper and bright scenes stand out more. Besides that, the 178° viewing angles keep colors steady from the side. Also, AOC lists wide color coverage (124% sRGB), so games and videos look rich.
180Hz and Adaptive Sync for Smooth Play
A 180Hz refresh rate shows up to 180 frames every second. In addition, this is much smoother than a normal 60Hz screen. As a result, your aim feels more direct and quick turns stay steady. Likewise, Adaptive Sync helps reduce tearing when your frame rate changes. Note that 180Hz works over DisplayPort. HDMI runs up to 144Hz at QHD.
DisplayHDR 400 and Low Input Lag
The monitor is VESA DisplayHDR 400 certified, which adds more range between bright and dark parts of the image. Moreover, the Low Input Lag mode puts speed first when you need it. For this reason, you can switch to a faster response in close fights. In addition, flicker-free and low blue light modes make long sessions easier on your eyes.
Ports and Setup
The monitor has two HDMI 2.0 ports and one DisplayPort 1.4 port, plus an audio output. First, use DisplayPort on a gaming PC for the full 180Hz. Also, use HDMI for a second device or a console. Note that the monitor has no built-in speakers, so use headphones or a speaker set.
Height-Adjustable Stand for Long Sessions
The stand gives 130mm of height adjustment, tilt from -3° to 21°, swivel of 28° each way and pivot to portrait mode. Likewise, it has a quick-release stand and a VESA 100×100 mount for an arm. The monitor also has a Kensington lock slot. Overall, the AOC Q27G4N is a strong QHD choice at Aleid, Qatar.
Key Features
- 27″ QHD (2560×1440) VA panel
- 180Hz refresh rate (DisplayPort)
- 0.5ms (MPRT) response time, 1ms (GtG)
- 5000:1 static contrast ratio
- VESA DisplayHDR 400
- Adaptive Sync
- 300 cd/m² brightness, 178° / 178° viewing angles
- Wide color coverage (124% sRGB)
- Low Input Lag mode
- Flicker-free and low blue light modes
- 2× HDMI 2.0 and 1× DisplayPort 1.4
- Height (130mm), tilt, swivel and pivot stand
- Quick-release stand, VESA 100×100 mount, Kensington lock
- 3-side narrow bezel design
- No built-in speakers
Specifications
| Spec | Detail |
|---|---|
| Brand | AOC |
| Model | Q27G4N |
| EAN | 6973985231650 |
| Screen size | 27″ (68.6 cm) |
| Resolution | 2560×1440 (QHD) |
| Aspect ratio | 16:9 |
| Panel type | VA, WLED backlight, antiglare |
| Refresh rate | Up to 180Hz (DP) / 144Hz (HDMI) |
| Response time | 0.5ms (MPRT), 1ms (GtG) typical |
| Brightness | 300 cd/m² |
| Contrast ratio | 5000:1 static |
| Viewing angle | 178° / 178° |
| Display colors | 1.07 billion |
| Color gamut | 124% sRGB (CIE 1931) |
| HDR | VESA DisplayHDR 400 |
| Adaptive sync | Adaptive Sync |
| Inputs | 2× HDMI 2.0, 1× DisplayPort 1.4 |
| Audio | 1× audio out, no built-in speakers |
| Eye care | Flicker-free, low blue light |
| Height adjustment | 130mm |
| Tilt | -3° to 21° |
| Swivel | -28° to 28° |
| Pivot | -90° to 90° |
| VESA mount | 100×100 mm |
| Security | Kensington lock slot |
| Power consumption | 29W (typical) |
| Dimensions with stand (W×H×D) | 613.9 × 386.0–516.0 × 207.7 mm |
| Weight (net, with stand) | 4.72 kg |
| Warranty | 3 years (AOC), confirm with Qatar distributor |
- What is the refresh rate of the AOC Q27G4N?
Up to 180Hz over DisplayPort, and up to 144Hz over HDMI at QHD. - What is the panel type?
A QHD VA panel with a 5000:1 contrast ratio. - Does it support Adaptive Sync?
Yes. It supports Adaptive Sync. - Does it support HDR?
Yes. It is VESA DisplayHDR 400 certified. - Does it have built-in speakers?
No. It has an audio output for headphones or speakers. - Which ports does it have?
Two HDMI 2.0 ports and one DisplayPort 1.4 port. - Is the stand height adjustable?
Yes. It has 130mm of height adjustment, plus tilt, swivel and pivot. - Can I wall mount it?
Yes. It has a VESA 100×100 mount. - What is the difference between the Q27G4N and the Q27G4?
The Q27G4 is an IPS model. The Q27G4N uses a VA panel with higher contrast. Check the model number before you buy.




