To be clear, ReadyBoost is not a replacement for RAM, but supplements it. RAM is where your computer loads the data required for active apps and files. For instance, if you are running Google Chrome, the OS will load the required files on to RAM while the session is active. After that, the space will be freed up, making room for other apps. RAM is still much faster than the cache on a flash drive. But, on old PCs with 2 4GB of RAM, where an upgrade is not possible due to hardware constraints,...
