Intuitive professional content delivery
Great first impressions can make all the difference; presenting your business in the best possible way will boost your brand. With slim, modern styling, 24/7 operation and high haze panel to reduce reflections when ambient light is high, the M series is the professional way to deliver your message, yet at an attractive price point.
Designed for seamless collaboration in today's meeting rooms, this display features an USB-C interface for effortless one-cable connection of your laptop, streamlining setup and maximizing productivity.
Benefits
- Modern and slim design – robust yet elegant allowing for an unobtrusive integration into any application and environment.
- Secure remote management – control your devices remotely and securely using NEC NaviSet Administrator 2; proactively manage maintenance requirements saving time and resources
- Ease of use and operation – smart installation, operation and maintenance functionality ensures accurate performance over the entire lifetime of the display saving time, effort and resources.
- Future Ready Connectivity – featuring multiple industry standard digital and analogue signal inputs for flexible integration into AV infrastructures.
- Effortless content playback – the integrated USB media player supports various image video file formats for effortless and standalone content playback.
Specifications
Product Information
Product Name
NEC MultiSync® M551-2 USB-C
Product Group
LCD 55" Midrange Large Format Display (with integrated USB-C Interface)
Order Code
60006164
Display
Panel Technology
VA with Direct LED backlights
Screen Size [inch/cm]
55 / 138.8
Aspect Ratio
16:9
Brightness [cd/m²]
500
Contrast Ratio
≥ 8000:1 1
Viewing Angle [°]
178 horizontal / 178 vertical (typ. at contrast ratio 10:1)
Colour Depth [bn]
1.073 (8bit + FRC)
HDR
HDR10; HLG; PQ
Response Time (typ.) [ms]
8
Panel Refresh Rate [Hz]
60
Haze Level [%]
Pro (25)
Supported Orientation
Landscape; Portrait
Resolution
Native Resolution
3840 x 2160
Supported Resolutions
1024 x 768; 1280 x 1024; 1280 x 720; 1360 x 768; 1366 x 768; 1400 x 1050; 1440 x 900; 1600 x 1200; 1650 x 1050; 1920 x 1080; 1920 x 1200; 1920 x 2160; 3840 x 2160; 4096 x 2160
Synchronisation Rate
Horizontal Frequency [kHz]
26 - 135
Vertical Frequency [Hz]
23 - 86
Connectivity
Input Video Digital
1 x DisplayPort (with HDCP); 1 x USB-C (with HDCP, 45 W); 2 x HDMI (with HDCP)
Input Audio Digital
1 x DisplayPort; 2 x HDMI
Input Control
LAN 100Mbit; remote control wire (3,5mm jack); RS232
Input Data
1 x USB 2.0 (Downstream); 1 x USB 2.0 (Powered 5V/2A, Firmware Updates); 1 x USB 2.0 Type-B (Downstream); 1 x USB 3.1 USB Type-C (AV Peripherals); 2 x USB 3.1 Type-A (AV Peripherals)
Output Audio Analogue
1 x 3,5 mm jack
Input Detect
Custom; First; Last
Sensors
Temperature Sensor
Integrated, 3 sensors, triggered actions programmable
Electrical
Power Consumption [W]
120 shipping
Power Savings Mode [W]
< 0.5; < 2 (Networked Standby)
Power Management
VESA DPMS
Power Supply
100-240 V AC; 50/60 Hz; internal
Environmental Conditions
Operating Temperature [°C]
+0 to +40
Operating Humidity [%]
20 to 80
Storage Humidity [%]
10 to 90
Storage Temperature [°C]
-20 to 60
Mechanical
Dimensions (W x H x D) [mm]
1,241.8 x 712.6 x 62.6
Weight [kg]
19.8
Bezel Width [mm]
13.9
VESA Mounting [mm]
4 holes; 400 x 400 (FDMI); M6
Ingress Protection
IP5x (front); IP2x (back)
Packaging Dimensions (W x H x D) [mm]
1,430 x 920 x 250
Packaging Weight [kg]
29.4
Colour Bezel
Pantone 426M (black)
Material
Metal
MediaPlayer
Supported File Storage / File System
USB 2.0 / FAT16, FAT32
Supported Image Formats
JPG (baseline, progressive, RGB, CMYK); max. resolution 15360 x 8640
Supported Video Formats
MPG (MPEG1/2/4, max res 1080p@30Hz); MP4 (MPEG2/4, H.263, H.264, HEVC/H.265, max res 3840x2160@60Hz); TS (MPEG2, H.264, HEVC/H.265, max res 3840x2160@60Hz); audio: LPCM, MP3, AAC; WMV (video H.264, Windows Media Video 9, max res 1080p@30Hz, audio WMA 9, WMA 10 Pro)
Supported Audio Formats
MP3 (MP3); max. bit-rate 320 kBit/s
Available Options
Accessories
Feet (ST-43M); Presence Sensor (KT-RC3); Trolley (PD04-Tipster Trolley); Wall mount (PDW S 32-65 L, PDW S 32-65 P)
Regulatory
Safety and Ergonomics
BSMI; CE; EAC; EMC Class B; Energy Star 8; FCC Class B; KC/KCC; PSB; RCM; RoHS; VCCI
Pixel Failure Class
ISO 9241-307, Class 1
Resistance to Fire
Metal backcover, plastic material certified acc. to UL94-5VB
Green Features
Energy Efficiency
Energy consumption: 118 kWh/1000 h; Energy efficiency class: G; LED backlight
Ecological Standards
EnergyStar 8.0
Additional Features
Special Characteristics
DICOM Simulation; HDMI ARC; Powered USB Port (10 W); Removable Logo
Audio
Integrated Speakers (10 W + 10 W)
Shipping Content
2x AAA batteries; Display; HDMI Cable; Power Cable; Remote Control; Setup Manual
Warranty
3 years warranty incl. backlight; additional services available; optional 4. + 5. year warranty extension 2
Operating Hours
24/7
External Control
AMX NetLinx Support; ASCII Control Commands; Crestron Connected; HDMI CEC; HTTP Browser; PJLink; Scheduled Timer; SNMP
Remote Management
Automated Email Alerts; NaViSet Administrator 2
Security
Disable HW Buttons; Disable IR Functionality; Emergency Notification
1 out of the box conditions, local dimming ON
2 please refer to terms and conditions of warranty extensions
This document is © 2025 Sharp Display Solutions Europe GmbH.
All rights reserved in favour of their respective owners. All hardware and software names are brand names and/or registered trademarks of the respective manufacturers. All specifications are subject to change without notice. Errors and omissions are excepted. 09.11.2025
All rights reserved in favour of their respective owners. All hardware and software names are brand names and/or registered trademarks of the respective manufacturers. All specifications are subject to change without notice. Errors and omissions are excepted. 09.11.2025