If you’re starting to get annoyed with how your laptop has lowered its overall system performance, maybe this time it is not patience that you need but a ram upgrade. I learned this from personal experience. Unfortunately, having almost zero knowledge with computer hardware, I was surprised when I had to deal with compatibility, quality, size, warranty and so on. Thanks to 4allmemory.com’s Check My System, I was able to identify what I really need for the upgrade.