We are in no way endorsing Cruicial or their products, but they have a pretty nifty tool to determine what you can do to upgrade your RAM and internal hard drive. Just put in your mfg, model, and model number and let it do it's thing. It makes recommendations on how much RAM the original manufacturer generally installed, how much the manufacturer says is the maximum you can install and also gives you some suggested updgrades.

TRY IT HERE