Thinnest Laptop: Lenovo E420

Lenovo E420

How much memory your Windows OS will recognize depends on which version of Windows you are running. 32-bit versions of Windows will see (and utilize) only 3GB or 3.5GB. To utilize more memory, install a 64-bit version of your OS. More information about OS memory maximums can be found here .

Memory or DRAM is the "working" memory of the computer. It's used to store data for programs (sequences of instructions) on a temporary basis.

Chipset is a set of integrated circuits that have a specific purpose in a computer system, a group of microchips used together to perform a single task.