Thanks for the reply bearcat, I will look further into the B150 chipset and 6.2.x compatibility.
With regards to transcoding, I believe software transcoding is sufficient for my current use scenario. I use an nvidia shield with kodi as my 4k client locally and only share my 1080p movie library with 1 other person.
Out of interest, if hardware transcoding becomes needed in the future, what would be the best hardware combination to enable this?
Thanks again!