Apple iMac (27-inch/Core i5): The Fastest Stock iMac Model Ever

Only slightly slower than the blazing Core i7 iMac, this Core i5-based 27-incher runs Windows and OS X, but you don’t get extras like multitouch, Blu-ray, or a TV tuner.

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Apple iMac (27-inch/Core i5): The Fastest Stock iMac Model Ever