| Manufacturer | Lenovo Group Limited |
| Manufacturer Part Number | 62F9GAR4US |
| Manufacturer Website Address | http://www.lenovo.com/us/en/ |
| Brand Name | Lenovo |
| Product Line | ThinkVision |
| Product Model | E28u-20 |
| Product Name | ThinkVision E28u-20 Widescreen LCD Monitor |
| Product Type | LCD Monitor |
| Number of Screens | 1 |
| Screen Size Class | 28" |
| Viewable Screen Size | 28" |
| Screen Mode | 4K UHD |
| Panel Technology | In-plane Switching (IPS) Technology |
| Response Time | 4 ms Extreme Mode |
| Aspect Ratio | 16:9 |
| Pixel Pitch | 6.3 mil |
| Horizontal Viewing Angle | 178° |
| Vertical Viewing Angle | 178° |
| Backlight Technology | WLED |
| Features | Anti-glare |
| Features | NearEdgeless |
| Features | Low Blue Light |
| Features | Security Lock |
| Features | Cable Lock Slot |
| Features | HDR10 |
| Features | Eyesafe Certified |
| Features | Eye Comfort Technology |
| Features | sRGB |
| Features | Cable Management |
| Curved Screen | No |
| Stand Adjustments | Tilt |
| Stand Adjustments | Swivel |
| Stand Adjustments | Height |
| Stand Adjustments | Pivot |
| Adjustable Stand Height | Yes |
| Maximum Resolution | 3840 x 2160 |
| Standard Refresh Rate | 60 Hz |
| Color Supported | 1.07 Billion Colors |
| Native Contrast Ratio | 1,000:1 |
| Dynamic Contrast Ratio | 30,000,000:1 |
| Brightness | 300 Nit |
| Color Gamut | 90% DCI-P3 |
| Color Gamut | 99% sRGB |
| Number of Speakers | 2 |
| Speakers | Yes |
| Wireless LAN | No |
| Bluetooth | No |
| Network (RJ-45) | No |
| HDMI | Yes |
| USB | No |
| DisplayPort | Yes |
| Number of HDMI Inputs | 2 |
| Number of DisplayPorts | 1 |
| Webcam | No |
| Microphone | No |
| Operating Power Consumption | 50 W |
| VESA Mount Compatible | Yes |
| Color | Raven Black |
| Height | 14.7" |
| Width | 25.1" |
| Depth | 1.9" |
| Height with Stand | 22.86" |
| Width with Stand | 25.07" |
| Depth with Stand | 8.66" |
| Weight (Approximate) | 10.14 lb |
| Weight with Stand (Approximate) | 14.99 lb |
| Energy Star | Yes |
| Environmentally Friendly | Yes |
| Environmental Certification | China Energy Efficiency Standard Tier 2 |
| Environmental Certification | RoHS |
| Environmental Certification | EPEAT Silver |
| Environmental Certification | GREENGUARD |
| Environmental Certification | TCO Certified Edge Displays 2.0 |
| Environmental Certification | TCO 9.0 |
| Environmental Certification | EU RoHS |
| TCO Certified | Yes |
| Limited Warranty | 3 Year |
