There are Many certain types of  Memory or Ram that computers use:  SDRAM to DDR4. Giving your Computer more Memory is the cheapest and easiest way to speed up your PC. It also makes your Computer more Stable. If you need System Memory or Ram, just send me a quick email stating your Model name and number of your Computer and I will recommend the type and amount of Ram or Memory your Computer needs. I will also give you a price quote including installation, or you can simply click the logo link below and check for yourself.