| Display diagonal | 71.1 cm (28") |
| Display resolution | 3840 x 2160 pixels |
| Native aspect ratio | 16:9 |
| Display technology | LED |
| Touchscreen | No |
| HD type | 4K Ultra HD |
| Panel type | IPS |
| Screen shape | Flat |
| Contrast ratio (typical) | 1000:1 |
| Maximum refresh rate | 150 Hz |
| Display number of colours | 16.7 million colours |
| Display brightness (typical) | 400 cd/m² |
| Response time | 1 ms |
| Contrast ratio (dynamic) | 80000000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Pixel pitch | 0.16 x 0.16 mm |
| Horizontal scan range | 30 - 320 kHz |
| Viewable size, horizontal | 34.1 cm |
| Viewable size, vertical | 62.1 cm |
| Display diagonal (metric) | 71 cm |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | DisplayHDR 400 |
| AMD FreeSync | Yes |
| AMD FreeSync type | FreeSync Premium |
| AMD FreeSync refresh rate range | 48 - 150 Hz |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Built-in speaker(s) | Yes |
| Built-in camera | No |
| Number of speakers | 2 |
| RMS rated power | 4 W |
| Market positioning | Gaming |
| Product colour | Black |
| Feet colour | Black |
| Built-in USB hub | Yes |
| HDMI | Yes |
| Headphone out | Yes |
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| HDCP | Yes |
| VESA mounting | Yes |
| Cable lock slot | Yes |
| Height adjustment | Yes |
| Panel mounting interface | 100 x 100 mm |
| Cable management | Yes |
| Cable lock slot type | Kensington |
| Height adjustment | 13 cm |
| Pivot | Yes |
| Pivot angle | 89 - 89° |
| Swivelling | Yes |
| Swivel angle range | 89 - 89° |
| Tilt angle range | 3 - 18° |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | Czech, German, Dutch, English, Spanish, French, Italian, Japanese, Polish, Russian |
| Number of OSD languages | 10 |
| Plug and Play | Yes |
| Tilt adjustment | Yes |
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 33.3 kWh |
| Energy consumption (HDR) per 1000 hours | 54.4 kWh |
| Power consumption (typical) | 36 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (off) | 0.5 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
| Cables included | AC, DisplayPort, HDMI, USB |
| Quick start guide | Yes |
| Width (with stand) | 636.5 mm |
| Depth (with stand) | 256 mm |
| Height (with stand) | 413 mm |
| Weight (with stand) | 6.9 kg |
| Sustainability certificates | CE, REACH, RoHS, WEEE |
| Harmonized System (HS) code | 85285210 |
| Description |
| iiyama G-MASTER GB2870UHSU-B1. Display diagonal: 71.1 cm (28"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Response time: 1 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub, USB hub version: 3.2 Gen 1 (3.1 Gen 1). VESA mounting, Height adjustment. Product colour: Black |
