Amazon.com: OWC 16GB (2 x 8GB) PC8500 DDR3 ECC-R 1066MHz DIMMs Memory Compatible with Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems and Early 2009 Xserve. (OWC85MP3S8M16GK) : Everything Else
A-Tech 16GB (2 x 8GB) PC3-8500 DDR3 1066/1067 MHz RAM for MacBook (Mid
Install memory in an iMac - Apple Support (PH)
Apple 2009 Mac Pro 5,1 Quad Core 2.66 16GB RAM 640GB HDD NVIDIA GeForce GT120 | eBay
Apple A1419 iMac 27" 3.2GHz Core i5 16GB RAM 1TB HDD Grade B
64GB Memory Upgrade Kit for 2009-2010 Mac Pro Tower
A-Tech for Apple 16GB Kit (4X 4GB) DDR3 1067MHz / 1066MHz PC3 8500 Mac Pro (Early 2009 Mid 2010 Mid 2012) MacPro4,1 Memory RAM
16GB -2x8GB Memory Ram Upgrade for 27" Apple iMac-12.2 Core i5 2.7GHz Mid 2011 | eBay
Memory Upgrades for Apple iMac 2011 Up to 32GB
A-Tech for Apple 16GB Kit (4X 4GB) DDR3 1067MHz / 1066MHz PC3 8500 Mac Pro (Early 2009 Mid 2010 Mid 2012) MacPro4,1 Memory RAM