ORIGINAL REPLACEMENT PART
076-1344 Apple Processor Tray Support Plate for Mac Pro Early 2009, Mid 2010 and Mid 2012
 
COMPATIBILITY:
Mac Pro (Early 2009) One 2.66/2.93 or two 2.26/2.66/2.93 GHz quad-core Intel Xeon "bloomfield, Gainestown"; PC3-8500 RAM
MB871LL/A, MB535LL/A
Mac Pro (Mid 2010) One 2.8/3.2 Ghz Quad-Core "Nehalem or one 3.33 Ghz 6-Core "Westmere" or two 2.4 GHz quad-core "Westmere" or two 2.66/2.93 GHz 6-Core "Westmere"; up to 32GB memory PC3-8500 RAM

Mac Pro Server (Mid 2010)2.8, 3.2, 3.33, two 2.4, two 2.66, or two 2.93 GHz; 8 MB (Quad-) 12 MB (8- and 12-Core) fully shared L3 per processor MC915LL/A

Mac Pro (Mid 2012) 3.2/3.33/two 2.4/two 2.66/two 3.06 GHz; 8 MB (Quad- and 6-Core) 12 MB (12-Core) fully shared L3 per processor MD770LL/A (Quad-Core), MD771LL/A (12-Core)

Mac Pro Server (Mid 2012) 3.2/3.33/two 2.4/two 2.66/two 3.06 GHz; 8 MB (Quad- and 6-Core) 12 MB (12-Core) fully shared L3 per processor MD772LL/A