Mac Pro 3.33GHz Processor, Single, Mid 2010

661-5711 Processor, Mac Pro Mid 2010, Single Processor, Mac Pro 2010 3.33 GHz for A1289 NB-2051W
This is a replacement processor for the Mac Pro from Mid 2010.
Apple part number: 661-5711

Compatible models: A1289-Mid 2010-MC250LL/A

Compatible Mac info. : 3.33GHz 6-Core Mac Pro

661-5711 Processor, Mac Pro Mid 2010, Single Processor, Mac Pro 2010 3.33 GHz for A1289