Confused. About ram

[bw1128]

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Ive been think ing about upgrading the ram on my late 2008 mbp. It's the first unibody model. Lately it's been seeming very sluggish. What is the max ram it can take? It's a 15" mbp with 2gb now. I've seen online that it can handle either 4 or 8gb. But not too sure. I don't want to buy 8gb and it not fit.
Thanks

 

[visim91]

Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_2 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Mobile/8H7)

Ive been think ing about upgrading the ram on my late 2008 mbp. It's the first unibody model. Lately it's been seeming very sluggish. What is the max ram it can take? It's a 15" mbp with 2gb now. I've seen online that it can handle either 4 or 8gb. But not too sure. I don't want to buy 8gb and it not fit.
Thanks

8GB will be fine, I have the same model in 13".

 

[rick snagwell]

this guide should help

http://guides.macrumors.com/Understanding_Intel_Mac_RAM

 

[simsaladimbamba]

Upgrading RAM in MacBooks and MacBook Pros​