8GB 2X4GB RAM Memory for Apple Mac Pro 12-Core 2.66GHz Intel Xeon Westmere DDR3 UDIMM 240pin PC3-8500 1066MHz Black Diamond Memory Module Upgrade - Walmart.com
OWC 128GB (8x16GB) DDR3 ECC Registered CL7 PC3-8500 1066MHz SDRAM Memory Ram Upgrade Module Compatible with 2009-2010 Mac Pro Nehalem, Xserve 2009 (OWC85MP3S9M128K) at Amazon.com
64GB Memory Upgrade Kit for 2009-2010 Mac Pro Tower
OWC RNAB00KB6EXF6 owc 8gb pc8500 ddr3 ecc 1066mhz dimm memory compatible with mac pro & xserve 'nehalem' & 'westmere' models
OWC 32GB ( 2x16GB ) 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 OWC85MP3S9M032K - Walmart.com
4.0GB DDR3 ECC-R PC8500 1066MHz SDRAM ECC for Mac Pro & Xserve 'Nehalem' models - Yahoo Shopping
128.0GB Mac Pro Early 2009 Memory Matched Set (8x 16GB) PC-8500 1066MHz DDR3 ECC | eBay
OWC 32GB (2x16GB) DDR3 ECC Registered CL7 PC3-8500 1066MHz SDRAM Memory Ram Upgrade Module Compatible with 2009-2010 Mac Pro Nehalem, Xserve 2009(OWC85MP3S9M032K) at Amazon.com
OWC Mac Pro 2GB PC3-8500 1066MHz DDR3 ECC DIMM RAM (OWC8566D3ECC2GB) | eBay
A-Tech for Apple 4GB DDR3 1067MHz / 1066MHz PC3-8500 Mac Pro (Early 2009 Mid 2010 Mid 2012) MacPro4,1 MacPro5,1 Memory RAM Module at Amazon.com
OWC 64GB (8 x 8GB) PC8500 DDR3 ECC 1066Mhz DIMMs Memory Compatible with 8 Core or Better Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems & Early 2009 Xserve (OWC85MP3W8M64K) at Amazon.com