I'm currently running GTX970 SLI and I plan to play PC games in 4K. Previously I heard that it is best for me to buy a 4:4:4 TV. I am currently thinking of getting this model, http://www.lg.com/hk_en/tv/lg-49UH7500 but I do not see anything under the specs mention whether this is a 4:4:4 tv or not, does anyone knows how to check? Thank you in advance.