Lenovo ThinkVision E55 LFD, 138.7 cm (54.6"), 3840 x 2160 pixels, 4K Ultra HD, IPS, 8 ms, Black

Lenovo ThinkVision E55 LFD. Display diagonal: 138.7 cm (54.6"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: IPS, Response time: 8 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub. VESA mounting. Product colour: Black

• 138.7 cm (54.6") Black
• Built-in speaker(s)
• HDMI HDMI version: 2.1 DisplayPorts quantity: 2 DisplayPort version: 1.4
• Screen shape: Flat
• Maximum refresh rate: 60 Hz Response time: 8 ms Response time measurement type: GTG (Gray to Gray)
• 3840 x 2160 pixels 4K Ultra HD Panel type: IPS
• Energy efficiency class (SDR): G ENERGY STAR, EPEAT Silver RoHS

Features

Display
Display diagonal	138.7 cm (54.6')
Display resolution	3840 x 2160 pixels
HD type	4K Ultra HD
Native aspect ratio	16:9
Display technology	IPS
Panel type	IPS
LED backlight	Yes
Touchscreen	No
Display brightness (typical)	400 cd/m²
Display brightness	400 cd/m²
Response time	8 ms
Response time measurement type	GTG (Gray to Gray)
Anti-glare screen	Yes
Screen shape	Flat
Aspect ratio	16:9
Contrast ratio (typical)	5000:1
Maximum refresh rate	60 Hz
Viewing angle, horizontal	178°
Viewing angle, vertical	178°
Display number of colours	1.07 billion colours
Response time (fast)	8 ms
Pixel pitch	0.315 x 0.315 mm
Pixel density	80 ppi
High Dynamic Range (HDR) supported	Yes
Colour depth	10 bit
Colour gamut	72%
sRGB coverage (typical)	95%
NTSC coverage (typical)	72%
DCI-P3 coverage	75%
Performance
NVIDIA G-SYNC	No
AMD FreeSync	No
Flicker-free technology	Yes
Low Blue Light technology	Yes
Windows operating systems supported	Windows 10, Windows 11
Multimedia
Number of speakers	2
Built-in speaker(s)	Yes
Built-in microphone	No
Built-in camera	No
Design
Product colour	Black
Colour name	Black
Stand adjustment	Tilt support
Ports & interfaces
USB 2.0 Type-A ports quantity	4
Built-in USB hub	Yes
Number of upstream ports	2
Number of USB Type-B upstream ports quantity	1
Number of USB Type-C upstream ports quantity	1
USB Type-A downstream ports quantity	4
USB Type-C downstream ports quantity	1
USB Type-C DisplayPort Alternate Mode	Yes
USB Power Delivery (USB PD)	Yes
USB Power Delivery up to	96 W
HDMI	Yes
HDMI ports quantity	2
HDMI version	2.1
DisplayPorts quantity	2
DisplayPort version	1.4
Headphone out	Yes
Built-in KVM switch	Yes
PC Audio out	No
Network
Wi-Fi	No
Wi-Fi standards	Not supported
Bluetooth	No
Ethernet LAN	Yes
Ergonomics
VESA mounting	Yes
Cable lock slot	No
Height adjustment	No
Tilt adjustment	Yes
Picture-in-Picture	Yes
Power
Energy efficiency class (SDR)	G
Energy efficiency class (HDR)	G
Energy consumption (SDR) per 1000 hours	84 kWh
Energy consumption (HDR) per 1000 hours	170 kWh
Power consumption (typical)	100 W
Power consumption (standby)	0.5 W
Power consumption (max)	300 W
Power consumption (average)	100 W
Power consumption (off)	0.3 W
Power supply type	Internal
Energy efficiency scale	A to G
Weight & dimensions
Weight (with stand)	17.9 kg
Bezel width (side)	3.3 mm
Packaging data
Package width	1370 mm
Package depth	185 mm
Package height	850 mm
Package weight	22.7 kg
Packaging content
Cables included	USB
Sustainability
Sustainability certificates	ENERGY STAR, EPEAT Silver
Other features
Picture-by-Picture (PbP)	Yes
Display viewable area (HxV)	1209.6 x 680.4 mm
RJ-45 ports quantity	1
Weight	17.9 kg
Height	720.7 mm
Width	1227 mm
Depth	125.1 mm
Compliance certificates	RoHS
Ethernet LAN data rates	1000 Mbit/s
Certification	EU Energy Label (G-class) TÜV Rheinland® Flicker Free TÜV Rheinland® Low Blue Light (Hardware Solution)