Can you unlock the pipelines on this one?

http://www.newegg.com/Product/Product.asp?Item=N82E16814102628

I want a quiet PC but am I going to have to get a fan for this one if I overclock? Can you unlock to 16 pipelines?

Unlikely. However, this has a much higher chance of unlocking those extra pipes. The unlock rate isn't 100% though. I've heard that lately Connect3D may have stopped using the unlockable cores, so your chances might be better if you got a refurb, but whatever.