X555UNV, 55" LED LCD, Ultra Narrow Bezel Video Wall Display (3.5mm bezel gap), S-IPS Antiglare panel, 1920x1080 (FHD), Direct LED back light unit, 500 cd/m2 brightness, OPS Option Slot, UHD signal daisy chain up to 100 units, Auto IP/ID/TileMatrix Settings, FrameComp, LAN Daisy Chain, 3 Year Warranty. (Suggested Replacement Model for the X554UNV)