661-4687 Processor 2.8 GHz (Quad Core) for Mac Pro Early 2008 A1186 MB871LL/A, MB535LL/A, BTO/CTO Published August 1, 2017 at 350 × 353 in 661-4687 Processor 3.2 GHz (Quad Core) for Mac Pro Early 2008 A1186 MB871LL/A, MB535LL/A, BTO/CTO