It is advisable to install as much RAM as possible when you are considering the amount of RAM for a personal computer you intend of building from scratch. Random Access Memory or more popularly known as RAM is quite useful for every computer, primarily for high-performance computer systems such as a gaming PC.

Computers must access certain types of data frequently when they are running programs. The computer saves these data inside your RAM. Thus, the more RAM your computer possess the more likely it is capable of managing a larger amount of applications.
If your RAM is full and your computer system still requires accessing much data, it will save the excess data into your computer’s hard drive. This can cause problems since the data saved in the computer’s hard drive cannot be retrieved as quickly as the data stored in the RAM. So, you may encounter substantial loading times and lags when you are multi-tasking on a computer with low RAM.

RAM is classified and measured in megabytes or gigabytes. You may purchase RAM memory modules in different storage capacities and capabilities, which include 256MB, 512MB, 1GB and 2GN. Your motherboard determines the amount of memory modules that you may use. Motherboards generally possess just two slots for memory sticks or cards. Current motherboards may permit you to utilize more than two RAM modules.
If you wish to employ Windows Vista as your computer’s operating system, manage to get a minimal of 2GB of RAM. Vista is a very demanding operating system that will require a robust system.

Also, your motherboard dictates the type of RAM that you can utilize on our computer. Currently, there are three types of RAM memory utilized: DDR, DDR2 and DDR3. DDR is a quite new technology thus just the newest motherboards are capable of supporting it.
Thus when you are building a computer, always try to get as much RAM as possible. More RAM will not just allow you to operate several programs at once but it will also drastically enhance the speed of your home built personal computer.