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AOC G4 Q27G4ZD computer monitor 67.3 cm (26.5") 2560 x 1440 pixels Quad HD QD-OLED Black, Red

Speakers
Built-in speakers make it easy to catch up with family, friends and colleagues. For movies, music, games and more, you’ll enjoy quality audio without the hassle of connecting external speakers.
ERGONOMIC DESIGN
Ergonomic stand to maintain comfort and prevent strain during long gaming sessions. It offers a wide range of motion and easy height, tilt, and swivel adjustments, accommodating the proper ergonomics and your personal preferences.

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.

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.

1ms Response time GTG - Grey-to-Grey
GtG stands for Grey-To-Grey and represents how long it takes for one pixel to change between one gray level to the next. In gaming, every millisecond counts and can be the differentiator between hitting or missing a shot. Fast response time also eliminates ghosting and motion blur.

Fast IPS
Unlock your gaming potential with Fast IPS panels offering rapid pixel response times of up to 1ms GtG. Say farewell to motion blur as you enjoy sharper images, enhancing precision targeting and boosting performance in high-speed games. Experience the advantages of fast IPS technology, including vibrant colors and wide viewing angles, for an immersive gaming experience and unleash your full potential.
Vesa Certified DisplayHDR™ 400
VESA Certified DisplayHDR™ 400 delivers a significant step up from regular SDR displays. Unlike other 'HDR compatible' screens, true DisplayHDR™ 400 produces astonishing brightness, contrast, and color peak brightness of up to 400 nits; images come to life with notable highlights while featuring deeper, more nuanced blacks.It renders a fuller palette of rich new colors, delivering a visual experience that engages your senses.
Adaptive sync
Adaptive Sync aligns your monitor’s vertical refresh rate with the frame rate delivered by your GPU, making your gameplay and casual gaming experience even more fluid by eliminating stuttering, tearing and judder. This feature is also useful when enjoying videos and other visual media, for a smoother entertainment.

240Hz Refresh Rate
240Hz completely unleashes top end GPUs, bringing unprecedented fluidity to the picture on your screen. With every detail brought sharply into focus and every movement shown with crystal clarity, feel your reactions become one with the action and elevate your game.
The Q27G4ZD combines stunning QHD resolution with a blistering 240Hz refresh rate and a 1ms GtG response time on a Fast IPS panel for ultra-smooth, responsive gameplay. With HDR400, low input lag, and an eSports base design, every frame is crisp and fluid. Featuring an ergonomic stand, built-in speakers, and G-Menu software for customization, this monitor is built to enhance both performance and comfort in every session.
Display | |
---|---|
Screen shape | Flat |
Display number of colours | 1.07 billion colours |
Native aspect ratio | 16:9 |
Maximum refresh rate | 240 Hz |
sRGB coverage (typical) | 100% |
Display diagonal | 67.3 cm (26.5") |
Response time | 0.03 ms |
Display resolution | 2560 x 1440 pixels |
Display technology | QD-OLED |
Contrast ratio (typical) | 1500000:1 |
Viewing angle, horizontal | 178° |
Viewing angle, vertical | 178° |
Pixel pitch | 0.2292 x 0.2292 mm |
Viewable size, horizontal | 59 cm |
Viewable size, vertical | 33.4 cm |
HD type | Quad HD |
Touchscreen | No |
High Dynamic Range (HDR) supported | Yes |
Panel type | OLED |
DCI-P3 coverage | 99% |
High Dynamic Range (HDR) technology | DisplayHDR 400 True Black |
Response time measurement type | GTG (Gray to Gray) |
Anti-glare screen | Yes |
Performance | |
Game mode | Yes |
VESA Adaptive Sync support | Yes |
Low Blue Light technology | Yes |
Flicker-free technology | Yes |
Low input lag | Yes |
Design | |
Market positioning | Gaming |
Product colour | Black, Red |
Front bezel colour | Black |
Frameless design | Yes |
Ports & interfaces | |
Built-in USB hub | Yes |
USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
USB upstream port type | USB Type-B |
Number of upstream ports | 1 |
USB Type-A downstream ports quantity | 4 |
HDMI ports quantity | 2 |
DisplayPorts quantity | 1 |
Headphone out | Yes |
HDMI | Yes |
HDMI version | 2.0 |
DisplayPort version | 1.4 |
Number of USB Type-B upstream ports quantity | 1 |
Ergonomics | |
VESA mounting | Yes |
Cable lock slot | Yes |
Panel mounting interface | 100 x 100 mm |
Swivelling | Yes |
Swivel angle range | -30 - 30° |
Tilt angle range | -5 - 23° |
Height adjustment | Yes |
Pivot angle | -90 - 90° |
Pivot | Yes |
Cable management | Yes |
Tilt adjustment | Yes |
Adjustable height (max) | 13 cm |
Power | |
---|---|
Power supply type | Internal |
AC input voltage | 100 - 240 V |
AC input frequency | 50/60 Hz |
Power consumption (standby) | 0.5 W |
Power consumption (typical) | 78 W |
Energy efficiency scale | A to G |
Energy efficiency class (SDR) | F |
Energy efficiency class (HDR) | G |
Energy consumption (SDR) per 1000 hours | 25 kWh |
Energy consumption (HDR) per 1000 hours | 48 kWh |
Weight & dimensions | |
Width (with stand) | 609.3 mm |
Depth (with stand) | 240 mm |
Height (with stand) | 537.7 mm |
Width (without stand) | 609.3 mm |
Height (without stand) | 357.7 mm |
Depth (without stand) | 55 mm |
Weight (with stand) | 6.6 kg |
Weight (without stand) | 5.2 kg |
Package width | 820 mm |
Package depth | 159 mm |
Package height | 481 mm |
Package weight | 10.2 kg |
Packaging data | |
Package width | 820 mm |
Package depth | 159 mm |
Package height | 481 mm |
Package weight | 10.2 kg |
Other features | |
DCI-P3 coverage | 99% |
Low input lag | Yes |
Compliance certificates | BSMI, CB, CE, Federal Communications Commission (FCC), KC, KCC, Minimum Energy Performance Standards (MEPS), RCM, RoHS, TÜV mark |
Game mode | Yes |
Width (without stand) | 609.3 mm |
Height (without stand) | 357.7 mm |
HDMI | Yes |
Depth (without stand) | 55 mm |
Energy efficiency scale | A to G |
Power supply type | Internal |
Touchscreen | No |
Front bezel colour | Black |
Technical details | |
Compliance certificates | BSMI, CB, CE, Federal Communications Commission (FCC), KC, KCC, Minimum Energy Performance Standards (MEPS), RCM, RoHS, TÜV mark |
Power supply type | Internal |
Game mode | Yes |
Weight (with stand) | 6.6 kg |
Touchscreen | No |
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---|---|---|---|---|---|---|
SKU |
Q27G4ZD
|
TD2455
|
21Y56AA
|
40Z29AA
|
U3223QE
|
CU34G3S
|
Manufacturer |
AOC
|
VIEWSONIC
|
HP
|
HP
|
DELL
|
AOC
|
Display diagonal |
23" and more
|
23" and more
|
23" and more
|
23" and more
|
23" and more
|
23" and more
|
Display resolution |
N/A
|
1920 x 1080 pixels
|
N/A
|
N/A
|
N/A
|
N/A
|
Product colour |
N/A
|
Black
|
Black
|
N/A
|
Silver
|
N/A
|
Built-in camera |
N/A
|
N
|
N
|
Y
|
N
|
N
|
Market positioning |
Gaming
|
N/A
|
Business
|
Business
|
Graphics design
|
Gaming
|
Native aspect ratio |
16:9
|
16:9
|
21:9
|
16:9
|
16:9
|
21:9
|
VESA mounting |
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
NVIDIA G-SYNC |
N/A
|
N
|
N
|
N
|
N
|
N
|
Built-in USB hub |
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
AMD FreeSync |
N/A
|
N
|
N
|
N
|
N
|
Y
|
Display technology |
QD-OLED
|
LED
|
LCD
|
LCD
|
LCD
|
LED
|
Touchscreen |
N
|
Y
|
N
|
N
|
N
|
N
|