KOMPUTERBAY 8GB (2X 4GB) DDR3 SODIMM (204 pin) Made with Hynix semiconductors 1066Mhz PC3 8500 for Apple 8 GB with SODIMM Heatsink for Extra Cooling at Amazon.com
Crucial 2GB Single DDR3 1066 MT/s (PC3-8500) CL7 Unbuffered UDIMM 240-Pin Desktop Memory Module CT25664BA1067 at Amazon.com
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4GB DDR3-1066 SODIMovo#51J0493 51J0494 at Amazon.com