The Raid (2011) 4K UHD & BLU-RAY. NOTE: YOU MUST HAVE A 4K UHD PLAYER IN ORDER TO PLAY THE 4K DISC. 4K UHD Blu-Ray (1 disc) and Blu-Ray (1 disc). The 4K UHD disc and the blu-ray disc are Region A/B/C compatible (also known as REGION FREE).