Dood. The R5-3600 does not have an i-gpu. So you will need to buy a gpu or get a 3400G or look at intels offerings.
Edit:
There is a psu tier list on this forum. Not sure if there is any ITX psu`s listed.
https://linustechtips.com/main/topic/1116640-psu-tier-list-40/?tab=comments#comment-12990669