I am using an iMac7.1 with 1GB DDR2 SDRAM of speed 667 MHz on board memory. I would like to know what is my best option to upgrade to 4GB on board memory so that I can run Lion OS. Is there a speed limit of the DRAM I can use? Please recommend.

I am using an iMac7.1 with 1GB DDR2 SDRAM of speed 667 MHz on board memory. I would like to know what is my best option to upgrade to 4GB on board memory so that I can run Lion OS. Is there a speed limit of the DRAM use? Please recommend or suggest as soon as possible.

You can install 2 - 200-pin PC2-5300 (667MHz) DDR2 SO-DIMMs. The maximum amount of RAM is 6 GBs. Visit DataMem or OWC to get the proper RAM at reasonable prices.

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