Grumpy Old Geeks Products MyCloud OS 5 Product MyCloud OS 5 2 mentions in 1 episode MyCloud OS 5 is the version Western Digital recommends in place of MyCloud OS 3, according to the speakers. Mentions 513: Fury Road Jul 7, 2021 50:10 you should just get the MyCloud OS 5 and forget about your 3s 50:35 We patched OS 3 with OS 5.