The 27” Iiyama G-Master GB2771QSU-B1 Red Eagle gaming monitor combines exceptional performance, visual quality and extreme fluidity , ideal for gamers and professionals. Equipped with a Fast IPS QHD (2560x1440) panel , it offers vivid colors and wide viewing angles, ensuring sharp and realistic images. With a 200Hz refresh rate and an ultra-fast 0.5ms MPRT response time , it ensures smooth and ghost-free gameplay. NVIDIA G-SYNC compatibility eliminates tearing and stuttering, while the Black Tuner function improves visibility in dark areas. Height adjustable up to 150mm and equipped with Flicker Free technology and blue light reduction , it guarantees comfort and optimal performance.
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GB2771QSU-B1 – RED EAGLE IPS QHD 27" IIYAMA MONITOR - 200HZ - HAS 150mm - NVIDIA G-SYNC COMPATIBLE

The 27” Iiyama G-Master GB2771QSU-B1 Red Eagle gaming monitor is designed for speed, fluidity, and professional image quality. Featuring a Fast IPS QHD (2560x1440) panel, it delivers vivid colors, precise details, and wide viewing angles. With a 200Hz refresh rate and 0.5ms MPRT response time, it ensures consistently sharp, blur-free images even in the most intense scenes. NVIDIA G-SYNC compatibility eliminates tearing and stuttering, while the Black Tuner feature optimizes details in darker areas for a competitive edge. The ergonomic stand, adjustable up to 150mm, combined with Flicker Free and blue light reduction, ensures comfort and high-level performance.
Main features:
- Fast IPS QHD 2560x1440 panel
- 200Hz refresh rate for ultra-smooth gameplay
- Response time 0.5ms MPRT
- NVIDIA G-SYNC Compatible
- Black Tuner for optimized visibility
- Ergonomic height-adjustable support (150mm)
Further details
QHD (2560x1440) resolution delivers incredibly detailed and sharp images, with four times the definition of standard HD. Ideal for gaming, video editing, and graphics, it ensures a wide and precise view, improving productivity and the viewing experience.
The 200Hz refresh rate ensures extraordinary fluidity, eliminating stutter and lag. Every frame is displayed with extreme precision, giving you a competitive edge in the most dynamic games and a smooth transition even in the fastest scenes.
With a response time of just 0.5 milliseconds (MPRT) , this monitor dramatically reduces motion blur, ensuring consistently sharp, ghost-free images. Perfect for those seeking maximum responsiveness in action titles and eSports.
The ergonomic stand, adjustable up to 150mm, allows you to adjust the monitor height to your needs, ensuring comfort and optimal posture even during long use sessions. It also includes pivot, tilt, and swivel functions for maximum flexibility.
Thanks to NVIDIA G-SYNC compatibility, the monitor synchronizes the refresh rate with the GPU, eliminating tearing and stuttering. This ensures smooth, stable, and artifact-free gameplay, improving visual precision in every frame.
Technical data sheet
Model | GB2771QSU-B1 |
DISPLAY CHARACTERISTICS | |
Diagonal | 27", 68.6cm |
Panel | Fast IPS, haze 25% |
Native resolution | 2560 x 1440 @200Hz (3.7 megapixel WQHD, DisplayPort) |
Aspect ratio | 16:9 |
Brightness | 350 cd/m² |
Static contrast | 1200:1 |
Advanced contrast | 80M:1 |
Response time (MPRT) | 0.5ms |
Viewing zone | horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89° |
Color support | 1.07B 10bit (8bit + Hi-FRC) |
Horizontal Sync | 30 - 320kHz |
Viewable area W x H | 596.7 x 335.7mm, 23.5 x 23.5" |
Pixel pitch | 0.233mm |
Color | matte, black |
INTERFACES / CONNECTORS / CONTROLS | |
Signal input |
HDMI x2 (v.2.0, max. 2560 x 1440 @144Hz) |
USB HUB | x4 (x2 v3.2 Gen 1 (5Gbps, 4.5W, Type-A), x2 v3.2 Gen 1 (5Gbps, 5W, Type-C)) |
HDCP | Yes |
Headphone connector | Yes |
FEATURES | |
Blue light reducer | Yes |
Flicker free | Yes |
Adaptive Sync support | G-SYNC - 2560 x 1440 @48-200Hz, DisplayPort Only |
Extra | i-Style Colour |
OSD languages | EN, DE, FR, ES, IT, RU, JP, CZ, NL, PL, UA |
Control buttons | Signal select/ Exit, + / Volume, - / i-Style Colour, Menu, Power |
User controls | picture adjust (contrast, brightness, OD, ACR, ECO, Black Tuner, MBR, gamma), input select (input source), audio adjust (volume, mute), store user settings (user modes), color settings (colour temperature, 6-Axis, user preset), image adjust (i-Style colour, X-Res Technology, sharp & soft, HDMI range, direct drive mode, video mode adjust), language, setup menu (OSD H. position, OSD V. position, OSD time, opening logo, OSD rotate, Adaptive Sync, LED, DDC/CI, USB BC), display information, reset |
Speakers | 2 x 2W |
Convenience | Kensington-lock™ prepared, DDC/CI, DDC2B, Mac OSX |
MECHANICAL | |
Display position adjustments | height, swivel, tilt, pivot (rotation both sides) |
Height adjustment | 150mm |
Rotation (PIVOT function) | 90° |
Swivel stand | 90°; 45° left; 45° right |
Tilt angle | 23rd up; 5th down |
VESA mounting | 100 x 100mm |
Cable management system | Yes |
ACCESSORIES INCLUDED | |
Cables | power (1.8m), USB (1.8m), HDMI (1.8m), DP (1.8m) |
Other | quick start guide, safety guide |
POWER MANAGEMENT | |
Power Supply Unit | internal |
Power Supply | AC 100 - 240V, 50/60Hz |
Power Usage | 21W typical, 0.5W stand by, 0.3W off mode |
SUSTAINABILITY | |
Regulations | TCO Certified, CE, TÜV-GS, EAC, VCCI-B, PSE, RoHS support, ErP, WEEE, REACH, UKCA |
Energy efficiency class (Regulation (EU) 2017/1369) | AND |
REACH SVHC | above 0.1%: Lead |
DIMENSIONS & WEIGHT | |
Product dimensions W x H x D | 613.5 x 408.5 (554) x 213mm |
Box dimensions W x H x D | 690 x 140 x 465mm |
Weight (without box) | 5.7kg |
Weight (without stand) | 3.9kg |
Weight (with box) | 8.2kg |