Apple part number: 661-5715
Compatible models: A1289-Mid 2010-MC250LL/A, A1289-Mid 2010-MC561LL/A, A1289-Mid 2010-CTO
Compatible Mac info. : 2.8GHz-3.2GHz Quad-Core - 3.33GHz 6-Core Mac Pro , 2.4GHz 8-Core Mac Pro , 2.66GHz - 2.93Ghz 12-Core Mac Pro
661-5715 UDimm, 1333 8GB, DDR3 ECC for Mac Pro 2010 A1289
2010, 2011, 2012