How much RAM could I get?

[LApple24]

How much RAM could I put into my old macbook 2.4 intel core 2 duo?

[GfulDedFan]

I wouldn't call your MacBook old (released 2/08) and Apple supports 4GB of DDR2 RAM as user upgradable. I've read where some users have upgraded to 6GB but it's more expensive and usually unnecessary. -GDF