There were more or less 2 different series of C= PCs, the 1st well known one consisted of 8088-80386 looked abit like an A2000 and even allowed the use of Amiga-mice. Those were named PC10,PC20 ....
The later one featured Pentiums and maybe 486s, and came in standard AT-format and cases. Were sold as "Commodore profeesional" or something like.