661-4329 2 GB, DDR2 667, FB-Dimm, ECC, ver. 2 - Mac Pro 3GHz 8-Core A1186 NB-2224W Apple part number: 661-4329, 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, 661-4329 2 GB, DDR2 667, FB-Dimm, ECC, ver. 2 - Mac Pro 3GHz 8-Core A1186 Apple part number: 661-4329