It is about 2 years old. It has never been overclocked, because of the dell bios. I haven't looked at how the heat sink is attached-it has some sort of plastic vent over it to keep one fan specific to it.
I won't be selling this until the 16th or so, because I am using it in my default comp. Once winter break comes around, I won't need it as much. If I do need a computer, I have a backup I will use.
If time really is an issue, I might be able to get it by this weekend. This is all pretty sudden for me-I wasn't expecting to sell any more then the HD with the time this had gone unanswered.