Yes, the CPU water cooling already comes with a pre-applied thermal compound, in this case the XTM70 Extreme Performance thermal compound from Corsair. This paste is applied to the cooler to ensure optimum heat transfer. It is not necessary to use additional thermal paste unless you have specific reasons to replace the pre-made paste.

Yes, this CPU cooler is compatible with the AM5 socket. It supports a variety of sockets, including the AMD AM5 socket.

The brand name of the fans supplied with the Corsair iCUE H150i ELITE CAPELLIX XT is Corsair, and more specifically, they are Corsair AF RGB Elite fans.

3 pieces

In my case, I bought a Ryzen 9 5900x, so I can't answer your question about yours.

Yes, there is a small bag inside with the spacers for 1700 2011/2066 and Intel 115X/1200.

is compatible with am5.....here more https://www.corsair.com/de/de/Kategorien/Produkte/Fl%C3%BCssigk%C3%BChlung/iCUE-ELITE-CAPELLIX-XT-Liquid-CPU-Cooler/p/CW-9060070-WW

yes...more info under scope of delivery...https://www.corsair.com/de/de/Kategorien/Produkte/CORSAIR-iCUE/Fl%C3%BCssigk%C3%BChlung/p/CW-9060073-WW