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OWC 16GB (2 x 8GB) PC8500 DDR3 Non ECC 1066 MHz 204 pin SO-DIMM Memory Module (OWC8566DDR3S16P), for 2010 MacBook Pro, MacBook, Mac Mini, and 2009 iMac Desktop Memory - Newegg.com
OWC 16.0GB Mac Pro Early 2009 Memory Matched Set... at MacSales.com
Amazon.com: OWC 24GB (3 x 8GB) PC8500 DDR3 ECC-R 1066MHz DIMMs for Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems and Early 2009 Xserve (OWC85MP3S8M24GK) : Everything Else