Product Name: OWC 48GB 3x16GB PC3 8500 DDR3 ECC 1066MHz SDRAM DIMM 240 Pin Memory Upgrade kit For Mac Pro Early 2009 Late 2010 Nehalem Westmere systems and Early
OWC 48GB ( 3x16GB ) PC3-8500 DDR3 ECC 1066MHz SDRAM DIMM 240 Pin Memory Upgrade kit For Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' systems and Early 2009 Xserve. Model OWC85MP3S9M048K