NEC 55" LED-Backlit Ultra-Narrow Professional-Grade Large-Screen Display, 1920x1080 Resolution, 16:9 Aspect Ratio, 16.7M Colors, 0.63mm Pixel Pitch

See all NEC items
NEC X551UN: Picture 1 thumbnail NEC X551UN: Picture 2 thumbnail NEC X551UN: Picture 3 thumbnail

About NEC X551UN

The NEC 55" LED-Backlit Ultra-Narrow Professional-Grade Large-Screen Display takes your LCD video walls to new levels of impact. This professional-grade large-screen display is designed for the rigors of 24x7 operation while introducing new levels of impact to your facility. Advanced technologies of this model include direct LED backlighting for improved uniformity, full high-definition resolution (1920 x 1080) and a 5.5 mm distance between active screen areas. Additionally, this display can be deployed in video walls up to 10 x 10 (100 displays). The X551UN also offers Intel's Open Pluggable Specification (OPS), which is the first industry-wide standardization in option slots that allows easier installation, use and maintenance of digital signage.

NEC X551UN Features

  • Full 1080p high-definition resolution provides stunning detail
  • Professional-grade LCD panel and components
  • Expanded connectivity with digital loop through
  • Direct LED backlighting technology improves power consumption and uniformity
  • Built-in expansion slot allows for seamless integration of NEC/third-party components, as well as future OPS-based products
  • Ground-breaking ultra-narrow bezel of 5.5 millimeters (screen-to-screen)
  • TileMatrix allows you to create video walls up to 10 x 10

NEC X551UN Specifications

Panel Technology
Viewable Image Size
Native Resolution
1920 x 1080
Pixel Pitch
Pixels Per Inch
47@ native resolution
Brightness (typical)
Brightness (maximum)
Contrast Ratio (typical)
Viewing Angle
178deg. Vert., 178deg. Hor. (89U/89D/89L/89R) @ CR>10
Refresh Rate
Aspect Ratio
Active Screen Area
47.6 x 26.8 in. / 1209.6 x 680.4mm
Displayable Colors
More than 16.7 million
Synchronization Range
Horizontal (Analog/Digital): 31.5-91.1 kHz
Vertical: 50-85 Hz
Input Signal
Video: Analog RGB 0.7 Vp-p/75 Ohms
Sync: Separate sync: TTL Level (Positive/Negative)
Composite sync: TTL Level (Positive/Negative)
Composite sync on green: (0.3Vp-p negative 0.7Vp-p positive)
PC Signal Compatibility
Macintosh Compatibility
Input Terminals
Digital: DisplayPort, HDMI, DVI-D
Analog: VGA 15-pin D-sub, 5 BNC (RGBHV, DVD/HD or Video), BNC Composite, S-Video
Audio: RCA Audio, Stereo Mini-Jack (2), HDMI Audio
External Control: RS-232C, LAN, IR Remote, DDC/CI
Output Terminals
Analog: BNC Composite
Audio: Stereo Mini-Jack, External Speaker Jack (2)
Digital: DisplayPort, DVI-D
External Control: RS-232C, IR Remote
Power Consumption (typical)
On: 190W
ECO Mode Standby: <1W
VESA Hole Configuration
400 x 400mm (4-hole)
Operating Temperature
41-104deg.F / 5-40deg.C
Operating Humidity
Operating Altitude
13,780 ft. / 4200m
Storage Temperature
-4-140deg.F / -20-60deg.C
Storage Humidity
Storage Altitude
40,000 ft. / 12,192m
Bezel Width (Left/Right, Top/Bottom)
0.15 in./0.07 in., 0.15in./0.07in.; 3.7mm/1.8mm, 3.7mm /1.8mm
Dimensions (W x H x D)
With stand: 47.8" x 30.1" x 15.7" / 1214.12 x 764.54 x 398.78 mm
Without stand: 47.8" x 27" x 5" / 1214.12 x 685.8 x 127 mm
With stand: 85.1 lbs / 38.601 kg
Without stand: 80.3 lbs / 36.42 kg
Share this item: is top rated for customer serviceHACKER SAFE certified sites prevent over 99.9% of hacker crime.