Imagine a meeting room where every slide looks sharp, every video is crystal clear, and you never have to wrestle with tangled cables. The Lenovo ThinkVision E55 LFD 54.6" 3840 x 2160 pixels 4K Ultra HD IP Monitor Black is a large flat-panel display built for modern collaboration spaces. It solves the common problem of low-resolution screens and cluttered connections that slow down teamwork. With built-in USB-C docking and ThinkSmart integration, you get a clean, high-performance visual hub that keeps your focus on the discussion.
Lenovo ThinkVision E55 LFD 54.6" 3840 x 2160 pixels 4K Ultra HD LCD Monitor Black
Large rooms need a screen that can be seen from every seat without glare. A dim or blurry display forces participants to lean forward, missing details and losing interest. The E55 LFD delivers 4K resolution, 400 cd/m brightness and an anti-glare surface, so the picture stays vivid even in bright lighting. Its 95 % sRGB coverage and HDR support bring true colors to life, while the built-in Ethernet and USB hub remove the need for extra adapters. The result is a reliable, all-in-one visual platform that lets your team stay engaged.
Usages of Lenovo
The monitor works well in conference rooms, training halls and open-plan offices. Use it for video conferences, digital signage, product demos or interactive presentations when paired with a ThinkSmart module. It can also serve as a central display for multiple laptops in a shared workspace, thanks to the USB-C and HDMI inputs. The built-in speakers provide clear audio for small groups, while the Ethernet port keeps the connection stable for streaming content.
Benefits
- Sharp 4K image lets every detail be seen clearly.
- Anti-glare screen reduces eye strain in bright rooms.
- USB-C docking removes extra cables and speeds up setup.
- Built-in speakers give clear sound without extra hardware.
- Ethernet port ensures stable network for video calls.
Key Features
- 54.6-inch IPS panel with 3840 x 2160 resolution.
- 400 cd/m brightness and 5000:1 contrast ratio.
- 95 % sRGB coverage and HDR support for vivid colors.
- 10-bit color depth and 1.07 billion colors.
- Anti-glare coating and low blue-light technology.
- Two HDMI 2.1 and two DisplayPort 1.4 inputs.
- One USB-C port with DisplayPort Alternate Mode and power delivery.
- Four USB-A 2.0 downstream ports and a USB-B upstream port.
- Integrated 2-channel speaker system.
- VESA-compatible mount and 178 wide viewing angles.
Specifications
| Display |
| Anti-glare surface |
Yes |
| DCI-P3 coverage |
75% |
| NTSC coverage (typical) |
72% |
| sRGB coverage (typical) |
95% |
| Colour gamut |
72% |
| Colour depth |
10 bit |
| High Dynamic Range (HDR) supported |
Yes |
| Pixel density |
80 ppi |
| Pixel pitch |
0.315 x 0.315 mm |
| Display number of colours |
1.07 billion colours |
| Viewing angle, vertical |
178° |
| Viewing angle, horizontal |
178° |
| Maximum refresh rate |
60 Hz |
| Contrast ratio (typical) |
5000:1 |
| Aspect ratio |
16:9 |
| Screen shape |
Flat |
| Anti-glare screen |
Yes |
| Response time |
8 ms |
| Display brightness |
400 cd/m² |
| Display brightness (typical) |
400 cd/m² |
| LED backlight |
Yes |
| Panel type |
IPS |
| HD type |
4K Ultra HD |
| Touchscreen |
No |
| Display technology |
IPS |
| Native aspect ratio |
16:9 |
| Display resolution |
3840 x 2160 pixels |
| Display diagonal |
138.7 cm (54.6") |
| Performance |
| Windows operating systems supported |
Windows 10, Windows 11 |
| AMD FreeSync |
No |
| NVIDIA G-SYNC |
No |
| Multimedia |
| Built-in microphone |
No |
| Built-in camera |
No |
| Number of speakers |
2 |
| Built-in speaker(s) |
Yes |
| Design |
| Colour name |
Black |
| Product colour |
Black |
| Ports & interfaces |
| Headphone out |
Yes |
| DisplayPort version |
1.4 |
| DisplayPort out quantity |
0 |
| DisplayPorts quantity |
2 |
| HDMI version |
2.1 |
| HDMI ports quantity |
2 |
| HDMI |
Yes |
| VGA (D-Sub) ports quantity |
0 |
| USB Type-C DisplayPort Alternate Mode |
Yes |
| USB Type-C downstream ports quantity |
1 |
| USB Type-A downstream ports quantity |
4 |
| Number of USB Type-C upstream ports quantity |
1 |
| Number of USB Type-B upstream ports quantity |
1 |
| Number of upstream ports |
2 |
| USB 2.0 Type-A ports quantity |
4 |
| Built-in USB hub |
Yes |
| Network |
| Ethernet LAN |
Yes |
| Bluetooth |
No |
| Wi-Fi standards |
Not supported |
| Wi-Fi |
No |
| Ergonomics |
| Height adjustment |
No |
| Cable lock slot |
No |
| VESA mounting |
Yes |
| Power |
| Energy efficiency scale |
A to G |
| Power supply type |
Internal |
| Power consumption (off) |
0.3 W |
| Power consumption (average) |
100 W |
| Power consumption (max) |
300 W |
| Power consumption (standby) |
0.5 W |
| Power consumption (typical) |
100 W |
| Energy consumption (HDR) per 1000 hours |
170 kWh |
| Energy consumption (SDR) per 1000 hours |
84 kWh |
| Energy efficiency class (HDR) |
G |
| Energy efficiency class (SDR) |
G |
| Weight & dimensions |
| Bezel width (side) |
3.3 mm |
| Packaging data |
| Package weight |
22.7 kg |
| Package height |
850 mm |
| Package depth |
185 mm |
| Package width |
1370 mm |
| Sustainability |
| Sustainability certificates |
ENERGY STAR, EPEAT Silver |
| Other features |
| Certification |
EU Energy Label (G-class) TÜV Rheinland® Flicker Free TÜV Rheinland® Low Blue Light (Hardware Solution) |
| Ethernet LAN data rates |
1000 Mbit/s |
| Compliance certificates |
RoHS |
| Depth |
125.1 mm |
| Height |
720.7 mm |
| Package weight |
22.7 kg |
| RJ-45 ports quantity |
1 |
| Viewing angle |
178° |
| Weight |
17.9 kg |
| Width |
1227 mm |
