Premium 4K UHD Hospitality TV for Guest Engagement. Exceed guests' TV expectations with 4K UHD resolution for a first-class experience at an affordable price. Whether it's TV, in-room ads or your own proprietary content, the stunning 4K resolution and HDR10+ picture technology of the bezel-less NT678U series will impress your guests. And content management is made simple with the Samsung REACH 4.0 management solution.