Apple's new Mac Pro uses exclusive quad core 3 ghz Xeon

macnn.com — Apple's updated Mac Pro uses a special version of Intel's Xeon workstation-class processor, the semiconductor company said in an e-mail note. The 3GHz quad-core CPU at the heart of the fastest system is currently an unannounced model that sits at the top of the company's performance range and is presently used only by Apple Apr 5, 2007 View in Crawl 4