4GB DDR3 8500 PC3-1066MHz, Royemai 2Rx8 1067MHz SODIMM RAM Memory for Laptop Notebook MacBook Late 2008, Early/Mid/Late 2009, Mid 2010, MacBook Pro, iMac, Mac Mini at Amazon.com
CMS 4GB (1X4GB) DDR3 8500 1066MHZ NON ECC DIMM Memory Ram Compatible with Asrock Motherboard 960Gm-Vgs3 Fx, N68-Gs4 Fx - C15 - Walmart.com
4GB DDR3 RAM 1066 MHZ 204PIN 1.5V 2R*8 Double model SODIMM memory for laptop Macbook 2009-mid,2010 - AliExpress
OWC 4GB PC8500 DDR3 1066MHz SO-DIMM Memory Compatible with Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, and 2009 iMac Models at Amazon.com