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Can i replace 1066Mhz memory with 1333?

Last response: in Memory
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February 11, 2011 5:18:35 PM

Hello,

I'm looking to upgrade my MBP 15" from 4Gb to 8. I currently have 1066 MHz but looks like most stores (at least those near me) only sell 1333 MHz. Is it okay to change from 1066 to 1333?

Cheers,

Nathan
a b } Memory
February 11, 2011 7:57:44 PM

Welcome to Tom's Hardware!

Yes, you can do that as long as you don't change the DDR 2 to DDR 3 - the worst case scenario would be that the 1333 RAM would clock down to 1066. The RAM specs are determined by what motherboard you have.
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a b } Memory
February 12, 2011 12:36:43 AM

Clarification: If it is DDR 2 stay with DDR 2 - if it is DDR 3 stay with DDR3 - whatever the motherboard supports. Do not switch between the 2.
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