if the technical documentation of the laptop doens't give enough information, go to www.crucial.com and use their memory finder.
And just in case your laptop has a 32-bit OS: that can only use 4 GB, so in that case it's a waste of money to buy any more.
Hello everyone! I want to upgrade my laptop ram. My laptop has 4gb ddr3 1333mhz ram installed, now i want to extend it to 8gb. I m confused which one to buy either "4GB DDR3 TRANSCEND LAPTOP RAM 1333MHZ" or "Transcend 4GB DDR3L 1600MHZ LAPTOP RAM"?