A 4k as it should be!
Product arrived as it should. No overpackaging. Meets my expectations. Very satisfied! 4k resolution just right for this screen size, but very suitable for anyone looking to have maximum space in a minimum of space.
Enjoy more comfortable gaming with the iiyama G-Master GB2771UHSU-B1 Red Eagle monitor. Its 27" Ultra HD 144Hz IPS panel with Dual Mode Full HD 288Hz comes with superior gaming qualities: fast response time, HDR 400 and FreeSync Premium + G-SYNC Compatible. This iiyama screen also features an ergonomic stand for maximum comfort.

Sign your finest exploits with this iiyama monitor offering optimal gaming conditions! Featuring an IPS panel, this 27-inch screen achieves an ultra-fast response time of 0.8 ms (MPRT) while offering superior visual quality with Full HD resolution, rich, accurate colours and contrast of 80M:1 in dynamic mode (1500:1 typical).
Smoothness is also guaranteed with a maximum refresh rate of 144 Hz in UHD resolution (288 Hz in FUll HD mode) and FreeSync Premium or G-SYNC technology thanks to G-SYNC Compatible certification. The result is a tear-free image so you can outperform your opponents at every moment!
What's more, users can adjust brightness and black levels with the Black Tuner function, giving better performance in dark images and therefore enabling an enemy to be identified more quickly.
Select your criteria
General information |
Product name |
iiyama 27" LED - G-Master GB2771UHSU-B1 Red Eagle |
Brand |
iiyama | |
Model |
GB2771UHSU-B1 | |
Display |
Screen size |
27 inches |
Screen format |
16:9 | |
Panel type |
IPS display | |
Max resolution |
3840 x 2160 pixels | |
High definition |
4K | |
Dot Pitch |
0.155 mm | |
Brightness |
450 cd/m² | |
Contrast |
1500 /1 | |
Response time |
0.8 ms | |
Angle of vision (horizontal) |
178 Degree(s) | |
Angle of vision (vertical) |
178 Degree(s) | |
Matte/anti-glare panel |
Yes | |
HDR (High Dynamique Range) |
Yes | |
HDR standards |
VESA DisplayHDR 400 | |
NVIDIA G-SYNC |
Yes | |
G-SYNC |
G-SYNC compatible | |
NVIDIA Reflex |
No | |
Adaptive-Sync |
Yes | |
AMD FreeSync |
Yes | |
FreeSync |
AMD FreeSync Premium | |
Flicker-Free |
Yes | |
Anti blue light |
Yes | |
Screen |
Screen type |
LED |
Range |
IIyama G-Master | |
Widescreen |
Yes | |
Curved screen |
No | |
Borderless |
Yes | |
Touch screen |
No | |
Min vertical frequency |
48 Hz | |
Max vertical frequency |
144 Hz | |
Type of activities |
Gamer | |
Ergonomics |
Portable |
No |
Pivot |
Yes | |
Height adjustable stand |
Yes | |
Removable stand |
Yes | |
VESA mount |
100 x 100mm | |
Back tilt angle (top) |
23 Degree(s) | |
Forward tilt angle (bottom) |
5 Degree(s) | |
Articulating arm |
No | |
Connectivity |
Video inputs |
2 X HDMI Female |
| 1 X DisplayPort Female | ||
HDMI standard |
HDMI 2.1 | |
DisplayPort standard |
DisplayPort 1.4 | |
Audio outputs |
2 X USB 3.0 Type C | |
| 2 X USB 3.0 | ||
| 1 X Headphone (3.5mm Jack Female) | ||
Dock USB-C |
No | |
Multimedia |
Built-in speakers |
Yes |
Sound power |
2 X 2 W | |
Webcam |
No | |
TV tuner |
No | |
Physical characteristics |
Color |
Black |
Release year |
2025 | |
Width |
614.5 mm | |
Maximum height |
567 mm | |
Height |
417 mm | |
Depth |
213 mm | |
Weight |
5.97 kg | |
Weight (Without stand) |
4 kg | |
Multi-monitor bundle |
No | |
Power supply |
Energy class |
E |
Consumption |
26 kWh/1000h | |
Standby consumption |
0.5 W | |
Internal power supply |
Yes | |
Warranties |
Commercial warranty |
Seller 5 years
|
Legal warranty |
See terms & conditions
|
|
Safety Information |
Responsible person |
Iiyama Corporation |
Postal address |
Wijkermeerstraat 8, 2131 HA Hoofddorp, The Netherlands | |
Electronic Address |
reg@iiyama.com |
See all iiyama products
Product referenced on 6 Nov 2025
Product arrived as it should. No overpackaging. Meets my expectations. Very satisfied! 4k resolution just right for this screen size, but very suitable for anyone looking to have maximum space in a minimum of space.
Top-of-the-range 144Hz 4K screen, good brightness and colour. Smooth and practical. Very good value for money.
I use this screen with my Macbook Pro + a Dell camera + AirPods, and it works perfectly.
I don't have any image distortion or refresh rate issues that sometimes occur on PC screens.
A very appealing design.
Top-quality screen.
A very simple height-adjustable stand.
A wide range of connections, turning the rear panel into a docking station for multiple devices.
In short, nothing but good things.
And thank you to the LDLC team at the Grasse store for their helpful advice.
True to the brand, I was not disappointed with my monitor. Easy to set up and use, I had no trouble aligning it vertically with my second monitor. The colours are accurate and videos play smoothly. I hope it will serve me well for a long time to come.
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