661-4275 750 GB, Hard Drive, 3.5-inch, SATA 7200 - A1186 Mac Pro 3GHz 8-Core NB-2252W EEE code: XD7,Z4J, Apple part number: 661-4275, Compatible models: A1186-2006-MA356LL/A, A1186-2006, A1186-2006, Compatible Mac info. : 2.66GHz Quad-Core Mac Pro , 3.0GHz Quad-Core Mac Pro , 3.0GHz 8-Core Mac Pro, 661-4275 750 GB, Hard Drive, 3.5-inch, SATA 7200 - A1186 Mac Pro 3GHz 8-Core EEE code: XD7,Z4J