Model: c551
$1,469.00 USD
Create beautiful imagery at a cost-conscious price point with the new fully commercial NEC C Series displays. A modern and contemporary design with a mere 45mm depth and improved visual aesthetics allow for the smooth and stylish integration of these displays into any environment. These products contain full metal mechanical structures enabling them to be utilized in situations where robustness is a key factor. They also have a wide range of the latest connectivity interfaces including multiple HDMI connections and a built-in media player to allow for many avenues of displaying content. The NEC C series boasts 400 cd/m2 along with an anti glare screen that allows for efficient readability and less reflectivity of ambient light that would normally take away from the imagery on the display. These products are ideal for 24/7 digital signage in retail, education, restaurant and corporate environments
Education pricing  discounts available on select NEC products!

NEC and BrightSign bundled solutions

For a limited time get discounts by buying select OPS and LFDs as a bundle.Hurry offer ends 10/31/18!
Click here!

  • Thin Depth allows for easy and unobtrusive integration into any environment
  • Anti glare panel allows for less reflectivity and clear and crisp image visibility
  • Bidirectional and Full External Control allows for easy integration into control systems
  • 400 cd/m2 brightness combined with full HD resolution will capture the attention of audience in almost any situation
  • Integrated Media Player allows for audio, video or image playback via USB or SD card that is also updateable via LAN
  • Failover Capabilities via Custom Input Detect functionality will allow peace of mind as the display will automatically switch to a secondary or tertiary source if the primary source fails
  • Pair with a WMK-3255S wall mount to meet ADA Compliance requirements for a thin depth signage solution
  • Model includes anti glare screen allowing customers maximum visibility of the content displayed on the screen
  • Energy Star 7.0 Certified product.


Panel Technology VA Viewable Image Size 55"
Aspect Ratio 16:9 Native Resolution 1920 x 1080
Supported Resolutions 750 x 350, 720 x 400, 640 x 480, 800 x 600, 832 x 624, 1024 x 768, 1152 x 864, 1280 x 720, 1280 x 768, 1280 x 960, 1280 x 1024, 1360 x 768, 1366 x 768, 1440 x 900, 1400 x 1050, 1680 x 1050, 1600 x 1200, 1920 x 1080, 1920 x 1200 Pixel Pitch 0.63mm
Pixels Per Inch 40@ native resolution Backlight Type LED Edge-lit
Brightness (typical) 400cd/m2 Contrast Ratio (typical) 4000:1
Viewing Angle (typical) 178° Vert., 178° Hor. (89U/89D/89L/89R) @ CR>10 Response Time (Gray to Gray) 8ms
Refresh Rate 60Hz Active Screen Area 47.6 x 26.8 in. / 1209.6 x 680.4mm
Orientation Landscape/Portrait Displayable Colors More than 1.08 billion (8-bit+FRC)

Synchronization Range

Horizontal (Analog/Digital) Analog: 15.625/15.734/26.97./28.125/31.5-91.1 kHz Digital: 15.0 - 91.1 KHz  

Input Signal

Video Analog RGB 0.7 Vp-p/75 Ohms , Digital TMDS / DisplayPort Sync Separate sync: TTL Level (Positive/Negative)
Composite sync: TTL Level (Positive/Negative)
Composite sync on green: (0.3Vp-p negative)

Signal Compatibility/Connectivity

PC Signal Compatibility Yes Macintosh Signal Compatibility Yes
Video Analog RGB 0.7 Vp-p/75 Ohms , Digital TMDS / DisplayPort Sync Separate sync: TTL Level (Positive/Negative)
Composite sync: TTL Level (Positive/Negative)
Composite sync on green: (0.3Vp-p negative)
Input Terminals
HDMI (1.4b x 3 with HDCP), DisplayPort (1.1a with HDCP)
3.5 Mini-Jack x2, DisplayPort Audio, HDMI Audio x3
External Control:
RS-232C, LAN (100Mb), 3.5mm Mini-Jack (IR Remote), USB/SD Card (Media Player)
Output Terminals
3.5mm Mini-Jack

Power Consumption (typical)

On 75W ECO Mode Standby <0.5W

Physical Specifications

Bezel Width (Left/Right, Top/Bottom) 0.49in./0.49in., 0.49in./0.49in. ; 12.4 mm/12.4 mm, 12.4mm/12.4mm Dimensions (WxHxD)
With stand:
48.8 x 30.0 x 10.5 in. (high)
48.8 x 29.2 x 10.5 in. (low)
Without stand:
48.8 x 27.9 x 1.8 in. / 1238.4 x 709.2 x 45.0 mm
56.3 x 36.2 x 9.8 in. / 1430.0 x 920.0 x 250.0 mm
Net Weight (without stand):
41.4 lbs. / 18.8kg
59.7 lbs. / 27.1kg
VESA Hole Configuration 300 x 300mm (M6 x 4-hole)

Environmental Conditions

Operating Altitude 9843 ft. / 3000m Storage Temperature -4-140°F / -20-60°C
Storage Humidity 10-90% Storage Altitude 40,000 ft. / 12,192m

Limited Warranty (parts & labor)

3 years  

Additional Features

  • On-Screen Key Guide
  • Ethernet Control and Communication
  • RS-232 Control and Communication
  • Landscape/Portrait Capable
  • TileMatrix (10 x 10)
  • Carbon footprint meter
  • 24/7 Scheduler with Real Time Clock
  • Holiday Settings
  • Screen saver function
  • Metal rear cabinet
  • Highbright/Standard/sRGB/Cinema/Custom1/Custom2 Picture Modes
  • Advanced video settings (Noise Reduction, Adaptive Contrast, Telecine)
  • Input labeling
  • Backlight adjust
  • Aspect ratio control (Normal/Full/Wide/1.1/Zoom)
  • Built-in 10W x 2 speakers
  • LED edge-lit backlighting
  • NaViSet Administrator Compatible
  • Crestron RoomView Support
  • AMX Beacon
  • PJLInk Support
  • Anti Glare Screen
  • Integrated USB/SD Card Media Player
  • Custom Input Detect / Failover Options


  • Wall Mount (WMK-3257)
  • Thin Wall Mount (WMK-3255S)
  • IR Sensor Accessory (KT-RC2)
  • Table Top Stand (ST-401)
  • All OPS PC Options when used external and coupled with the OPS-DOCK


C Series displays bring thin depth, commercial controls, and professional performance to a higher level for cost-conscious users


NEC Display Solutions Delivers New Options with the Launch of the C-Series Commercial-Grade Displays
NEC Display unveils the new C-Series commercial grade displays, including the C431, C501 and C551.
NEC Display Solutions delivers new options with launch of C Series commercial-grade displays
NEC Display unveils the new C-Series commercial grade displays, including the C431, C501 and C551.
NEC Display Launches C Series Commercial-Grade Display
NEC Display unveils the new C-Series commercial grade displays, including the C431, C501 and C551.
NEC Targets Digital Signage, Small Meeting Spaces with C-Series Displays
NEC Display announces the commercial grade C-Series large format displays, including the C431, C501 and C551. Also featuring Commercial Integrator's InfoComm 2017 video tour with Richard Ventura.
NEC's C-series displays now offers 45-milimeter mechanical depth
Digital Signage Today covers the announcement of NEC Display's C-Series large format displays, with attention payed to the 45mm mechanical depth for easy placement.
-- NEC C Series Displays
Convenience Store News covers the announcement of NEC's C Series displays.
NEC Display Solutions C Series Displays
NEC's C Series displays' specifications and design accessibility features are detailed.
DSE 2018: NEC Display Shows C Series Thin-Depth Commercial Large Format Displays
Ben Hardy showcases the new, thin bezel design of the aesthetically pleasing C-series large format displays.

Warranty Length: 3 years

Large Screen Display Wall Mounts/Stands

Wall Mount Kit
Wall Mount Kit
$141.00 USD
Learn More
Thin depth wall mount
Thin depth wall mount
$239.00 USD
Optional Tabletop Stand for PXX4 and VXX4 Products
Optional Tabletop Stand for PXX4 and VXX4 Products
$75.00 USD
Learn More

Large Screen Display Misc

Human Sensor Accessory
Human Sensor Accessory
$149.00 USD
Learn More
10 Point Infrared Touch Overlay
10 Point Infrared Touch Overlay
  • Works with Windows, Mac OS, Chrome, Android, iOS, Raspberry Pi
  • Multi-touch support, up to 10 simultaneous touches
  • Easy Hook and lock installation requiring just a single screwdriver
  • Integrated look and feel after installation
$1,449.00 USD

  • 3m Power cord
  • 1.8m VGA cable
  • Wireless remote control
  • Batteries
  • CD-ROM (User Manual)</ul>
Contact Sales Contact Support