Amazon.com: 8GB 2 X 4GB DDR3 PC3-8500 1066MHz SODIMM Memory RAM for Apple iMac Intel Core 2 Duo 20" inch 24" inch (Early 2009) Equivalent to MC016G/A (PARTS-QUICK BRAND) : Electronics
Corsair CMSA4GX3M1A1066C7 Apple Certified 4GB (1x4GB) DDR3 1066 MHz (PC3 8500) Laptop Memory 1.5V at Amazon.com
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
G.Skill F3-8500CL7S-4GBSQ 4GB (1x4GB) DDR3-1066Mhz PC38500 SODIMM RAM at Amazon.com
Kingston Technology 4 GB DIMM Memory 1066 MHz (PC3-8500) 240-Pin DDR3 SDRAM Single (Not a kit) KTD-XPS730A/4G at Amazon.com
24GB KIT (6 x 4GB) for Dell Precision Workstation Series T3500 (Non-ECC). DIMM DDR3 Non-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
8GB 2 x 4GB DDR3 Laptop Memory for Sony VAIO VPCZ13Z9E/X PC3-8500 204 pin 1066MHz SODIMM RAM (PARTS-QUICK Brand) at Amazon.com
OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with iMac 21.5" and 27" (October/2009) at Amazon.com
OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com
DUOMEIQI Pc3-10600 ddr3 ram 8GB (2 X 4GB) 1333Mhz ddr3 Sdram 2Rx8 Pc3 10600s Sodimm Pc3 10600 ddr3-1333 Pc3-10600S 204-Pin CL9 1.5V Non-Ecc Unbuffered for Laptop at Amazon.com
4GB (2x2GB) DDR3-1066MHZ PC3-8500 2Rx8 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
OWC 8GB (2 x 4GB) PC8500 DDR3 ECC 1066MHz DIMMs Memory Compatible with Mac Pro & Xserve 'Nehalem' & 'Westmere' Models (OWC85MP3W4M08GK) at Amazon.com
Kingston Technology 4 GB Memory for Select Apple Imac's and Macbooks Single (Not a kit) 1066 MHz (PC3 8500) 204-Pin DDR3 SO-DIMM KTA- MB1066/4G at Amazon.com
Kuesuny 8GB kit (2x4GB) DDR3 1066MHz/1067MHz PC3-8500 SODIMM RAM Upgrade for Late 2008, Early/Mid/Late 2009, Mid 2010 MacBook, MacBook Pro, iMac, Mac Mini at Amazon.com
URAM 4GB DDR3 SDRAM PC3-8500 1.5V SODIMM Samsung IC RAM(Laptop Memory) at Amazon.com