you will have to be careful, as soon as you see artifacts back it down ,,now on my vcard i dont have a probe on it so as the same i back it down . no problems with stock fan .. now thats my vcard each card is diff.. so when koolnace send me my screws for the wawa block it will be on water .. i would suggest in getting a better fan for your vcard.. to be safe..now you can go a little bit i dont think it would hurt..just be Careful.....:shades2: