Monitors
iiyama GB2791QSU-B1 reviews
Product specifications and review coverage for this exact model.
Image supplied through Icecat
Product overview
iiyama GB2791QSU-B1 is listed in the computer monitors category. The recorded specifications include display diagonal: 68.6 cm (27"); display resolution: 2560 x 1440 pixels; panel type: IPS; maximum refresh rate: 320 Hz. This entry covers manufacturer code GB2791QSU-B1. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
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Specifications
Manufacturer code: GB2791QSU-B1. Icecat product 139594924 · Checked 15 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Screen size | 68.6 cm (27") |
|---|---|
| Screen resolution | 2560 x 1440 pixels |
| Panel type | IPS |
| Maximum refresh rate | 320 Hz |
| Display brightness (typical) | 350 cd/m² |
| High Dynamic Range (HDR) supported | Yes |
| HDMI ports | 2 |
| DisplayPort connections | 1 |
More product specifications
Open a section for the details that matter to you.
Audio & listening4 details
| Number of speakers | 2 |
|---|---|
| Rated audio power (RMS) | 4 W |
| Built-in speakers | Yes |
| Headphone out | Yes |
Display12 details
| Display technology | LCD |
|---|---|
| Touchscreen | No |
| Display surface | Matt |
| Screen shape | Flat |
| Contrast ratio (typical) | 1000:1 |
| Contrast ratio (dynamic) | 80000000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 16.7 million colours |
| Display diagonal (metric) | 68.5 cm |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Native refresh rate | 60 Hz |
Camera, image & video1 detail
| Built-in camera | No |
|---|
Printing, scanning & paper1 detail
| Horizontal scan range | 30 - 550 kHz |
|---|
Connections & wireless12 details
| Built-in USB hub | Yes |
|---|---|
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| Number of downstream ports | 4 |
| USB Type-A downstream ports quantity | 2 |
| USB Type-C downstream ports quantity | 2 |
| HDMI | Yes |
| HDMI version | 2.1 |
| DisplayPort version | 1.4 |
| Panel mounting interface | 100 x 100 mm |
| USB cable length | 1.8 m |
| DisplayPort cable length | 1.8 m |
| HDMI cable length | 1.8 m |
Power & battery10 details
| Energy efficiency class (SDR) | F |
|---|---|
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 23.5 kWh |
| Power consumption (typical) | 24 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (off) | 0.3 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
Controls & features2 details
| User controls | picture adjust (contrast, brightness, OverDrive, HDR, Adaptive Sync, night mode, blue light reducer, Motion Blur Reducer, gamma), input select (input source, auto/ manual, DP, HDMI1, HDMI2), audio adjust (volume, mute), store user settings (user modes), colour settings (6-axis, colour temperature, user preset, black tuner), image adjust (i-Style Colour, X-Res Technology, sharpness, HDMI range, Direct Drive Mode, video mode adjust), language, OSD setup menu (OSD H. position, OSD V. position, OSD |
|---|---|
| Control panel | power switch, joystick, menu (center), up / signal select, down / shortcut, left / volume -, right / volume + |
Design & dimensions15 details
| Colour depth | 8 bit |
|---|---|
| Product colour | Black |
| VESA mounting | Yes |
| Height adjustment | Yes |
| Adjustable height (max) | 15 cm |
| Width (with stand) | 612 mm |
| Depth (with stand) | 403.5 mm |
| Height (with stand) | 313 mm |
| Weight (with stand) | 5.8 kg |
| Height (without stand) | 313 mm |
| Weight (without stand) | 4 kg |
| Power cable length | 1.8 m |
| Weight | 5.8 kg |
| Height | 313 mm |
| Width | 612 mm |
Software & compatibility1 detail
| Compliance certificates | CE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE |
|---|
Further product details23 details
| HD type | Wide Quad HD |
|---|---|
| Native aspect ratio | 16:9 |
| Response time (MPRT) | 0.6 ms |
| Pixel pitch | 0.233 x 0.233 mm |
| Viewable size, horizontal | 59.7 cm |
| Viewable size, vertical | 33.6 cm |
| NVIDIA G-SYNC | Yes |
| NVIDIA G-SYNC type | G-SYNC Compatible |
| AMD FreeSync | Yes |
| AMD FreeSync type | FreeSync Premium |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Market positioning | Gaming |
| HDCP | Yes |
| Cable management | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Pivot | Yes |
| Swivelling | Yes |
| Swivel angle range | -45 - 45° |
| Tilt adjustment | Yes |
| Sustainability certificates | ErP |
| Doesn't contain | Lead |
Packaging & supplied accessories6 details
| Package width | 690 mm |
|---|---|
| Package depth | 465 mm |
| Package height | 140 mm |
| Package weight | 8.4 kg |
| Cables included | AC, USB, HDMI, DisplayPort |
| Packaging content | quick start guide, safety guide |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.