Sony KD-55X8500E was introduced in 2017. It has a LCD screen with 4K UHD (3840 x 2160) resolution and 100 Hz/120 Hz refresh rate. The TV is HDR compatible. It supports HDR10 and HLG. Its powerful X1™ picture processor guarantees a high quality upscaling of any low resolution source to 4K UHD (3840 x 2160).