It is just for WMC, watching TV and movies, playing to a 1080p TV.
Again, nothing taxing even for the older Athlon x2 that was in it, so I am sure this can handle it fine.
I have been debating just getting 8 gigs, it is only $25 more. I currently have 4 gigs on the old machine with shared onboard video, so I have 3.5 gigs available, and don't think it really gets close to using it all.
I also was looking at some of the 450 boards since the 350 I picked is out of stock. (This ASRock B450
I have read a few ways to maybe get past the issue (either loading drivers in the windows .iso, or even just installing windows on one machine and then moving it to the new one).