The original prototype version that debuted back in Computex 2017 had a 20mm fan. It's pretty clear as day that it's a different fan in this picture:
Having said that, my guess that this will not be as good as the C7...
Your answer can be found here (spreadsheet found on the SFF sub reddit):
Look under column N (expansion slots). In short, you are SoL and will need to get an MATX case...the smallest being Silverstone's...
Page 14, section 7 of the user manual:
M.2 in the front supports NVME and SATA.
M.2 in the back supports NVME only.
Since you have a 960 Pro, it doesn't matter which one you put it in. However, if you have a NVME M.2 and a SATA M,2, then the NVME must go in the back while the SATA M.2 must go...