CRS328-24P-4S+RM Wow.
This is what I was waiting for. Nice one. When will it be available.

Already can order. Ask your local MT distributor.

I wonder if block diagram is publicly available?

it is:
https://i.mt.lv/routerboard/files/CRS32 ... 152744.png

Thanks. I couldn't find it at the product web page: https://mikrotik.com/product/crs328_24p_4s_rm

I don't know where are you looking, but it is in products web page.

Call me blind, I haven't found it before.