which one...

[Dr Studly]

wich one can i put more fans in?
how do i know how many fans i can put in?

http://www.newegg.com/Product/Product.asp?Item=N82E16811144151

http://www.newegg.com/Product/Product.asp?Item=N82E16811133146

 

[Chris Chan]

You can put five 8cm fans into a Chieftec Dragon, buy that. Cheaper than either those. You can find out how many fan mounts there are by going to manufacturer's site and looking at specifications.