DESC: The 55 NEC X551UN takes your customers LCD video walls to new levels of impact. This professional-grade large-screen display is designed for the rigors of 24/7 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 5.5mm distance between active screen areas. Additionally, this display can be deployed in video walls up to 10x10 (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.