Memory support (official vs real world)

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I have a late 2009 24" iMac with a 2.93 core2 duo processor. I recently upgrade my ram to 8 gigs. I have no problems and my computer runs as it should. Recently I had a scratch your head moment. Since a 64 bit operating system can support an obscene amount of ram, what would happen if I swapped my 4 gig sticks for 8 gig sticks?
 
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Amount of RAM supported is usually a function of the support chips on the motherboard. MacTracker says only 8 GB supported, so I think I believe them.
(and yes, they did report the correct amount when it differed from Apple specs in the past.)
 
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09 MBP 8GB ram 500GB HD OS 10.9 32B iPad 4 32GB iPhone 5 iOs7 2TB TC Apple TV3
Unless you have apps that will take advantage of it doubt you will see a major jump.
Look at the Activity Monitor if you have a lot of page in/out then yes it will help unless
it was not supported in the first place and since MacTracker is usually spot on probably not.
 

pigoo3

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...what would happen if I swapped my 4 gig sticks for 8 gig sticks?

What would happen?...two things:

- you're wallet will be a lot lighter (8 gig sticks og ram aren't cheap)
- you will have wasted your money...since your iMac has a max. ram limit of 8 gig

Just because your iMac can support 64-bit...does not mean that it can automatically support "obscene amounts of ram".

- Nick
 

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