OWC 6GB (2GB + 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, 2009 iMac Models at Amazon.com
KVR16R11S8K3/6 - Kingston 6GB Kit (3 X 2GB) DDR3-1600MHz PC3-12800 ECC Registered CL11 240-Pin DIMM Single Rank x8 Memory
Axiom 6GB DDR3-1066 UDIMM Kit (AX23591683/3)
Kingston 6GB DDR3 3x2gb Memory / KTH9600BS/2G I - Etsy
6 Gb DDR3 RAM | eBay
6GB Memory for 2008-2010 MacBook Pro, iMac, and Mac mini
CMS 6GB (3x2GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z600 DDR3 ECC UNBUFF for Server Only - B75 at Amazon.com