661-4997 Mac Pro Early 2009 A1289 - Processor, Mac Pro Early 2009,8-Core, 2.26 GHz NB-2054W
This is a set of two quad-core 2.26GHz processors for the Mac Pro (Early 2009). Together they make up the 8-core processing core.
Apple part number: 661-4997
Compatible models: A1289-Early 2009-MB871LL/A, A1289-Early 2009-MB535LL/A, A1289-Early 2009, A1289-Early 2009
Compatible Mac info. : 2.66GHz-2.93GHz-3.33GHz Quad-Core Mac Pro , 2.26GHz 8-Core Mac Pro , 2.66GHz 8-Core Mac Pro , 2.93GHz 8-Core Mac Pro
661-4997 Mac Pro Early 2009 A1289 - Processor, Mac Pro Early 2009,8-Core, 2.26 GHz