| Description | The iiyama G-Master GB2591HSU-B1 is a 25-inch Full HD gaming monitor with a stunning refresh rate of 320 Hz. Equipped with an IPS panel and HDR10 support, this monitor offers fast response times of 0.4 ms for a smooth gameplay experience. The USB-C connectivity allows for easy connections. This monitor is designed to convince demanding gamers with its powerful specifications and high performance. |
The iiyama G-Master G2771QS-B1 27" Quad HD IPS 200Hz Gaming monitor provides an excellent visual experience for gamers. With a resolution of 2560 x 1440 pixels, a refresh rate of 200 Hz and an IPS panel, this monitor delivers sharp, vivid images with fast response times. The HDR10 support ensures improved dynamic range and deeper black values. This monitor is designed to provide an immersive and smooth gaming experience.
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| Content | Main Specifications
| Feature |
Waarde |
| Brand |
Iiyama |
| Resolution Class |
Full-HD |
| Screen resolution |
1920 x 1080 pixels |
| Screen Diagonal |
24.5 inches (62.2cm) |
| Refresh Rate |
320 Hz |
| Screen ratio |
16:9 |
| Panel Type |
IPS |
| HDR Type |
HDR10 |
| Response time |
0.4 ms |
| USB-C |
✓︎ |
| Available since |
January 2026 |
Specifications
Display
| Feature |
Waarde |
| Image surface |
Matt |
| Panel Type |
IPS |
| Curved |
✖︎ |
| Number of colors |
16.7M |
| Screen Diagonal |
24.5 inches (62.2cm) |
| Screen ratio |
16:9 |
| Contrast Dynamic |
100,000,000 : 1 |
| Frequency range horizontal |
30 - 360 kHz |
| Size image (horizontal) |
54.4 cm |
| Size image (vertical) |
30.3 cm |
| Resolution Class |
Full-HD |
| HDR |
✓︎ |
| Clarity |
350 cd/m2 |
| HDR Type |
HDR10 |
| Viewing angle horizontally |
178 degrees |
| Viewing angle vertical |
178 degrees |
| Refresh Rate |
320 Hz |
| Original aspect ratio |
16:9 |
| Pixel Distance |
0.28 mm |
| Response Time (MPRT) |
0.4 ms |
| Screen resolution |
1920 x 1080 pixels |
| Response time |
0.4 ms |
| Touchscreen |
✖︎ |
| Contrast Static |
1,000 : 1 |
Ergonomics
| Feature |
Waarde |
| Range tilt angle |
5 - 23° |
| Mounting option for cable lock |
✓︎ |
| Portrait stand |
✓︎ |
| Rotatable |
✓︎ |
| Horizontally rotatable |
-45 - 45° |
| Height adjustable |
✓︎ |
| Tiltable |
✓︎ |
| On Screen Display (OSD) |
✓︎ |
| Pivot corner |
0 - 90° |
| Hinge |
✓︎ |
| Screen diameter in centimeters |
62 cm |
| Improved cable management |
✓︎ |
| VESA mounting dimensions |
100 x 100 |
Weight and size
| Feature |
Waarde |
| Width |
557 mm |
| Depth |
56 mm |
| Weight |
5.30 kg |
| Height |
324 mm |
| Main Specifications
| Feature |
Waarde |
| Brand |
Iiyama |
| Resolution Class |
QHD |
| Screen resolution |
2560 x 1440 pixels |
| Screen Diagonal |
27.0 inches (68.6cm) |
| Refresh Rate |
200 Hz |
| Screen ratio |
16:9 |
| Panel Type |
IPS |
| HDR Type |
HDR10 |
| Response time |
0.5 ms |
| Available since |
October 2025 |
| EAN |
4948570126576 |
| Vendor code |
G2771QS-B1 |
Specifications
Display
| Feature |
Waarde |
| Panel Type |
IPS |
| Number of colors |
1.07B |
| Screen Diagonal |
27.0 inches (68.6cm) |
| Screen ratio |
16:9 |
| Contrast Dynamic |
80,000,000 : 1 |
| DDC/CI |
✓︎ |
| Frequency range horizontal |
30 - 320 kHz |
| Frequency range vertical |
48 - 200 Hz |
| Size image (horizontal) |
59.7 cm |
| Size image (vertical) |
33,6 cm |
| Resolution Class |
QHD |
| HDR |
✓︎ |
| Clarity |
350 cd/m2 |
| HDR Type |
HDR10 |
| Viewing angle horizontally |
178 degrees |
| Viewing angle vertical |
178 degrees |
| Refresh Rate |
200 Hz |
| Original aspect ratio |
16:9 |
| Pixel Distance |
0.233 mm |
| Response Time (MPRT) |
0.5 ms |
| Screen resolution |
2560 x 1440 pixels |
| Response time |
0.5 ms |
| Contrast Static |
1,200 : 1 |
Ergonomics
| Feature |
Waarde |
| Range tilt angle |
-3.5 - 21.5° |
| Mounting option for cable lock |
✓︎ |
| Tiltable |
✓︎ |
| On Screen Display (OSD) |
✓︎ |
| Screen diameter in centimeters |
68.6 cm |
| Improved cable management |
✓︎ |
| VESA mounting dimensions |
100 x 100 |
Weight and size
| Feature |
Waarde |
| Width |
614 mm |
| Width (without foot ) |
613.5 mm |
| Depth |
193 mm |
| Depth (without foot ) |
63.5 mm |
| Weight |
4.40 kg |
| Weight (without foot) |
3.9 kg |
| Height |
446 mm |
| Height (without foot ) |
358.5 mm |
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