Assuming this is your computer, then best processor that's likely to work there is the Intel Core I7-3770 thanks to the hyperthreading capabilities, but unless you can find one on the cheap (say <$50), I wouldn't bother.
Assuming this is your computer, then best processor that's likely to work there is the Intel Core I7-3770 thanks to the hyperthreading capabilities, but unless you can find one on the cheap (say <$50), I wouldn't bother.