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Are you buying one stick or two?
Apple recommends matched pairs so you should upgrade from 2x512M to 2x1G (not to say that 512M+1G won't work, just not ideal.)
 
Are you buying one stick or two?
Apple recommends matched pairs so you should upgrade from 2x512M to 2x1G (not to say that 512M+1G won't work, just not ideal.)

I'll be buying 2 of those sticks. Thanks for the clarification :)
 
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