Are these the new U2+ model (overclocked w/heatsink)?
They have a heatsink, but I think you have to overclock them yourself.
Are these the new U2+ model (overclocked w/heatsink)?
they have a bigger heatsink( and if im not wrong they change one some of the resisters as well) then the U1's and over clocking them is the same as what you would do for the U1's as well
Just so that we are on the same page, these?:
http://i.imgur.com/cNE8M6W.jpg