GB2771UHSU-B1 27" 4K 144Hz IPS, 0.8ms MPRT, Dual Mode 288Hz FHD, G-SYNC, 1.07 Billion Colors - iiyama
The iiyama G-Master GB2771UHSU-B1 Red Eagle is a 27-inch gaming monitor with an IPS panel designed to deliver high performance for both competitive gaming and content creation. Thanks to 4K resolution (3840x2160) at 144Hz, it guarantees extremely sharp and immersive images, with the option to switch to Dual Refresh Rate mode up to 288Hz in Full HD for ultra-responsive gameplay. The extremely fast 0.8 ms MPRT response time and NVIDIA G-SYNC compatibility ensure fluidity and tear-free gameplay during gaming sessions. The brightness of 450 cd/m² and support for 1.07 billion colors enhance details and color accuracy. The contrast ratio of up to 1500:1 and the wide 178° viewing angle complete a display designed for high-level visual performance.
GB2771UHSU-B1 – IIYAMA G-MASTER 27" IPS MONITOR - DUAL REFRESH RATE - NVIDIA G-SYNC COMPATIBLE
The iiyama G-Master GB2771UHSU-B1 Red Eagle is a 27-inch gaming monitor with an IPS panel designed to deliver high performance and ultra-sharp images. 4K resolution (3840x2160) at 144Hz guarantees exceptional visual quality for games and multimedia content, while the Dual Refresh Rate mode up to 288Hz in Full HD ensures maximum responsiveness in competitive gaming. Thanks to the 0.8ms MPRT response time and NVIDIA G-SYNC compatibility , gameplay remains smooth and tear-free. The brightness of 450 cd/m² and support for 1.07 billion colors (8bit+FRC) offer vivid colors and realistic details. With 1500:1 contrast and 178° viewing angles , it is an ideal solution for immersive gaming and content creation.
Main features:
- 27" screen with IPS panel
- 4K resolution 3840×2160 at 144Hz
- Dual Mode: Full HD 1920×1080 up to 288Hz
- Response time 0.8 ms MPRT
- NVIDIA G-SYNC Compatible
- Brightness 450 cd/m²
- 1.07 billion colors (8bit+FRC)
- Static contrast 1500:1
- Viewing angle 178° / 178°
Further details
Technical data sheet
| Model | GB2771UHSU-B1 |
| DISPLAY CHARACTERISTICS | |
| Design | 4-side slim bezel |
| Diagonal | 27", 68.6cm |
| Panel | IPS |
| Native resolution | 3840 x 2160 @144Hz |
| Dual mode | 1920 x 1080 @288Hz |
| Aspect ratio | 16:9 |
| Brightness | 450 cd/m² |
| Static contrast | 1500:1 |
| Advanced contrast | 100M:1 |
| Response time (MPRT) | 0.8ms (min.) |
| Viewing zone | horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89° |
| Color support | 1.07B 8bit+FRC |
| Horizontal Sync | 30 - 360kHz |
| Viewable area W x H | 596.7 x 335.7mm, 23.4 x 13.2" |
| Pixel pitch | 0.155mm |
| Color | matte, BLACK |
| INTERFACES / CONNECTORS / CONTROLS | |
| Signal input |
HDMI x2 (v.2.1, max. 3840 x 2160 @144Hz, 1920x1080 @288Hz) |
| USB HUB | x4 (x2 v3.2 Gen 1 (5Gbps, 4.5W, Type-A), x2 v3.2 Gen 1 (5Gbps, 7.5W, Type-C)) |
| HDCP | Yes |
| Headphone connector | Yes |
| FEATURES | |
| Blue light reducer | Yes |
| Flicker free | Yes |
| Adaptive Sync support | AMD FreeSync Premium / NVIDIA G-SYNC Compatible |
| Extra | i-Style Colour |
| HDR | HDR400 |
| OSD languages | EN, DE, FR, ES, IT, RU, JP, CZ, NL, PL, UA |
| Control buttons | Joystick, power / menu (center), up / signal select, down, left / i-Style colour, night mode, blue light reducer, right / volume |
| User controls | picture adjust (contrast, brightness, overdrive, HDR, adaptive sync, adv. contrast, night mode, blue light reducer, motion blur red., gamma), input select (auto, manual / HDMI1, HDMI2, DP), audio adjust (volume, mute), store user setting (user modes), color settings (6-axis, color temperature, user preset, black tuner), image adjust (i-Style colour, X-Res Technology, sharpness, HDMI range, direct drive mode, video mode adjust), language, setup menu (OSD horizontal position, OSD vertical position, OSD rotate, OSD time, opening logo, power LED, DDCI/CI control, USB charge), setup menu (PIP/PBP, dual mode, DSC compression), display information, reset (reset all) |
| Speakers | 2 x 2W |
| Convenience | Kensington-lock™ prepared, DDC/CI |
| 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 - 249V, 50/60Hz |
| Power Usage | 26W typical, 0.5W stand by, 0.3W off mode |
| SUSTAINABILITY | |
| Regulations | CE, TÜV-Bauart, EAC, PSE, RoHS support, ErP, WEEE, VCCI, REACH, UKCA |
| Energy efficiency class (Regulation (EU) 2017/1369) | F |
| REACH SVHC | above 0.1%: Lead |
| DIMENSIONS & WEIGHT | |
| Product dimensions W x H x D | 614.5 x 417 (567) x 213mm |
| Box dimensions W x H x D | 694 x 440 x 143mm |
| Weight (without box) | 5.97kg |
| Weight (without stand) | 4kg |
| Weight (with box) | 9kg |



