OWC 32.0 GB (4X 8GB) PC8500 DDR3 ECC 1066 MHz 240 pin DIMM Memory Upgrade Kit Compatible with 2009 Mac Pro and Xserve
Brand: OWC
Color: 4 x 8GB

32GB (4 x 8GB) PC10600 DDR3 ECC 1333MHz DIMMs Compatible With Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' systems and Early 2009 Xserve

Total Capacity : 32GB
Compatible With Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' systems and Early 2009 Xserve
1024M x 72
Fully compliant with JEDEC specifications
OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program