A:AnswerYes. It is not through the port that this is done, but through the Quad-Core image processor that Samsung puts in all of their 4K models from 2015, up until the JS9000 series. There they use Octa-Core processors. Doubling the speed and upscale quality.
A:AnswerIt means it can "support" it. It's like calling a lemon car Highway ready. sure it can go 45 which technically means you can go on the highway but it won't be a good experience