A common thing between human and machine is memory, which plays a vital role in the information storage. In computer we use Random Access Memory (RAM) to hold the instructions and data needed to complete the task. There is always a connection between the speed and memory of the system. The more memory your computer has, the interruptions will be fewer which helps the system to access quality as it would have all the required instructions in RAM. Nowadays high level of memory is needed for optical performance when using graphical and multimedia programs and its applications. To meet these requirements, DDR2 memory is being used to process the electronic data. Thus more memory equals to more speed, which can be achieved by using high quality and highly configured DDR2 memory and I would recommend Pro Memory Upgrade, one of the world's largest computer memory upgrade store to get a quality one. Here you can find different memory chips and classification with their price listed nearby the product. Upgrade your system right now with 2GB DDR2 memory to improve your computer ability. It also has made some remarkable transformations in the prices as it reduced to half of the price they were in the computer market.