| 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 | 60 Hz |
| Display number of colours | 1 billion colours |
| Display brightness (typical) | 300 cd/m² |
| Response time | 4 ms |
| Supported graphics resolutions | 3840 x 2160 |
| Supported video modes | 2160p |
| Aspect ratio | 16:9 |
| Dynamic contrast ratio marketing name | Mega Infinity DCR |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Viewable size, horizontal | 62.1 cm |
| Viewable size, vertical | 34.1 cm |
| Display diagonal (metric) | 70.8 cm |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Colour gamut | 90% |
| Factory-calibrated | Yes |
| AMD FreeSync | Yes |
| AMD FreeSync type | FreeSync |
| Flicker-free technology | Yes |
| Game mode | Yes |
| Compatible operating systems | Windows 10 |
| Built-in speaker(s) | No |
| Built-in camera | No |
| Market positioning | Home |
| Product colour | Blue, Grey |
| Built-in USB hub | No |
| HDMI | Yes |
| Headphone out | Yes |
| DVI port | No |
| HDMI ports quantity | 2 |
| HDMI version | 2.0 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.2 |
| Audio input | No |
| DC-in jack | Yes |
| VESA mounting | Yes |
| Panel mounting interface | 75 x 75 mm |
| Tilt angle range | -2 - 15° |
| Picture-in-Picture | Yes |
| Plug and Play | Yes |
| Tilt adjustment | Yes |
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 32 kWh |
| Energy consumption (HDR) per 1000 hours | 40 kWh |
| Power consumption (typical) | 32 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (max) | 48 W |
| Power consumption (off) | 0.3 W |
| AC input voltage | 100 - 240 V |
| Energy efficiency scale | A to G |
| Operating temperature (T-T) | 10 - 40 °C |
| Operating relative humidity (H-H) | 10 - 80% |
| Stand included | Yes |
| Cables included | AC, HDMI |
| Power cable length | 1.5 m |
| Width (with stand) | 638.8 mm |
| Depth (with stand) | 250.5 mm |
| Height (with stand) | 479.3 mm |
| Weight (with stand) | 5.8 kg |
| Width (without stand) | 638.8 mm |
| Depth (without stand) | 64 mm |
| Height (without stand) | 374 mm |
| Weight (without stand) | 5 kg |
| Package width | 732 mm |
| Package depth | 176 mm |
| Package height | 465 mm |
| Package weight | 7.8 kg |
| Package type | Box |
| Harmonized System (HS) code | 85285210 |
| Picture-by-Picture (PbP) | Yes |
| Samsung Eye Saver Mode | Yes |
| Special features | Samsung MagicBright
Samsung MagicUpscale
Eco Saving Plus
Eye Saver Mode |
| Description |
| Samsung U28R550UQR. Display diagonal: 71.1 cm (28"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Response time: 4 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. VESA mounting. Product colour: Blue, Grey |
