Samsung 4GB DDR3 PC3-8500 1066MHz Memory M393B5170DZ1-CF8 at Amazon.com
4GB DDR3-1066 SODIMovo#51J0493 51J0494 at Amazon.com
Axiom 4gb Ddr3-1066 Sodimm # Ax31066s7y/4g at Amazon.com
Amazon.com: Komputerbay 16GB Dual Channel Kit 2X 8GB 204pin DDR3-1066 SO-DIMM 1066 PC3-8500 (1066MHz, CL7) for Apple : Everything Else
4GB DDR3-1066 (PC3-8500) RAM Memory Upgrade for The Compaq HP Presario CQ62-215DX at Amazon.com
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