The cheapest type of RAM is dynamic RAM because it uses traditional technology as opposed to static RAM, which is expensive and uses advanced methods to store and retrieve temporary information. Dynamic RAM has capacitors that act like vessels that store temporary information for the CPU to use as and when required. This makes them cheaper as compared to static RAM that is expensive because it does not use the same technology as a dynamic RAM.
RAM chips are available in the market within a price range of $4 to $400, depending on its make, brand, upgrade, and type. The modern computer usually uses dynamic RAM that is at least 128 MB in size. This RAM race started in the 1990s when 2MB of RAM were used. However, technology has improved in leaps and bounds since then, and today using less than 128 RAM would be not advisable, as the speed and efficiency of the computer will be dramatically affected.
SIMM RAM is the oldest and cheapest of them all but can only be used with old machines and is not compatible with newer ones. It is available for less as $5 and can be bought on the Internet. A memory upgrade is the most cost effective method of improving a PC’s performance, and memory upgrades are very simple to install and require no configuring at all.
A 4 MB 30pin 60ns 3-chip SIMM RAM with a tin lead and a 2-piece 2 MB x 8 chip and logic parity is priced at $7 to $8, whereas a Cisco 16 MB Catalyst 8000 Flash SIMM can cost up to $89. The price of a RAM chip depends upon the number of nanoseconds, the brand, type, megabytes, and other such factors. The price of RAM also depends upon the type of computer that a person uses. This is because an older computer will usually use a 2 to 8 MB RAM, but a newly bought computer will need a 128 MB RAM in order to function efficiently.