Samsung QB49N 49" QBN Signage Display

The Samsung QB49N is a 49-inch Crystal UHD 4K signage display from the discontinued QBN series, built for always-on commercial deployments with 350-nit typical brightness and a 4,000:1 contrast ratio.

It runs on a Cortex-A72 1.7GHz processor with a Tizen-based platform, rated for 16/7 operation, and connects via 2x HDMI 2.0 and DVI-D. This series has since been discontinued by Samsung, so availability depends on remaining stock.