Description
Lenovo ThinkVision E55 LFD, 138.7 cm (54.6"), 3840 x 2160 pixels, 4K Ultra HD, IPS, 8 ms, Black
| Screen | |
| Screen size | 138.7 cm (54.6") |
| Screen resolution | 3840 x 2160 pixels |
| Image format | 16:9 |
| Display technology | IPS |
| Touch screen | No |
| Type HD | 4K Ultra HD |
| Panel type | IPS |
| Response time | 8 ms |
| Screen shape | Flat |
| Contrast ratio | 5000:1 |
| Maximum discount rate | 60 Hz |
| Number of colors displayed | 1.07 billion colors |
| LED Backlight | Yes |
| Screen brightness (typical) | 400 cd/m² |
| Screen brightness | 400 cd/m² |
| Anti-glare screen | Yes |
| Image format | 16:9 |
| Horizontal viewing angle | 178° |
| Vertical viewing angle | 178° |
| No pixel | 0.315 x 0.315 mm |
| Pixel density | 80 pixels per inch |
| HDR support | Yes |
| Depth of color | 10 bit |
| Color palette | 72% |
| sRGB coverage (max) | 95% |
| NTSC coverage (normal) | 72% |
| DCI-P3 color palette | 75% |
| Anti-reflective surface | Yes |
| representation / realization | |
| NVIDIA G-SYNC | No |
| AMD FreeSync | No |
| Windows operating system support | Windows 10, Windows 11 |
| multimedia | |
| Built-in speakers | Yes |
| Built-in camera | No |
| Number of speakers | 2 |
| Built-in microphone | No |
| Design | |
| Product color | Black |
| Color name | Black |
| Connectivity | |
| Integrated USB hub | Yes |
| HDMI | Yes |
| Audio headphone output | Yes |
| Number of USB 2.0 Type-A ports | 4 |
| Number of upstream ports | 2 |
| Number of upstream USB Type-B ports | 1 |
| Number of upstream USB Type-C ports | 1 |
| Quantity of USB Type A downstream ports | 4 |
| Quantity of USB Type-C downstream ports | 1 |
| DisplayPort USB Type-C Alternate Mode | Yes |
| Number of VGA (D-Sub) ports | 0 |
| Number of HDMI ports | 2 |
| HDMI version | 2.1 |
| Number of DisplayPort interfaces | 2 |
| Number of DisplayPort outputs | 0 |
| DisplayPort version | 1.4 |
| Network | |
| Wi-Fi | No |
| Wi-Fi standards | Not covered |
| Bluetooth | No |
| Ethernet/LAN | Yes |
| Ergonomics | |
| VESA mount | Yes |
| Anti-theft cable port | No |
| Height adjustment | No |
| Power | |
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) for 1000 hours | 84 kWh |
| Energy consumption (HDR) for 1000 hours | 170 kWh |
| Typical electricity consumption | 100 W |
| Energy consumption (standby mode) | 0.5 W |
| Consumption (max) | 300 W |
| Energy consumption (average) | 100 W |
| Power consumption (off) | 0.3 W |
| Power supply type | Internal |
| Energy efficiency range | A to G |
| Weight and dimensions | |
| Frame width (side) | 3.3 mm |
| Packaging information | |
| Package width | 1370 mm |
| Package depth | 185 mm |
| Package height | 850 mm |
| Package weight | 22.7 kg |
| Sustainability | |
| Sustainability certificates | ENERGY STAR, EPEAT Silver |
| Other features | |
| Viewing angle | 178° |
| RJ-45 Number of ports | 1 |
| Weight | 17.9 kg |
| Height | 720.7 mm |
| Width | 1227 mm |
| Depth | 125.1 mm |
| Certificates of conformity | RoHS |
| Ethernet LAN: data transfer rate | 1000 Mbit/s |
| Certification | EU Energy Label (G-class) TÜV Rheinland® Flicker Free TÜV Rheinland® Low Blue Light (Hardware Solution) |