Site Help ID Your Mac
Boot up your computer. Click on the apple logo in the upper left corner and select "About This Mac." What is the given processor speed and type?
3.2 GHz Quad Core Xeon
2.66 GHz 6 Core Xeon x2
2.4 GHz 6 Core Xeon x2
3.33 GHz 6 Core Xeon
3.06 GHz 6 Core Xeon x2