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Released June 2009 / 2.66, 2.8, or 3.06 GHz Core 2 Duo Processor

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2009 MacBook Pro won't take PC3L RAM

Hi iFixit community! I’m not sure if the RAM I received is bad, but I’m currently trying to upgrade my MacBook to 8GB of RAM, and it beeps 3 times upon installing the new RAM. I’m not sure if this is the issue, but the RAM I ordered is SK Hynix PC3L 12800S RAM. I would greatly appreciate any help on the matter!

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You need 1066 MHz PC3-8500 DDR3 SDRAM

SK Hynix PC3L 12800S RAM is not the correct RAM.

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Ah, okay. I figured the speed of the RAM wasn’t the issue, more of it being low power DDR3. Thank you!

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Alex Noack will be eternally grateful.
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