Can You Buy More RAM?
The random access memory (RAM) of a computer enables your central processing unit (CPU) to run your operating system, read information and write data. This process slows down when the needs of your programs exceed your computer's ability to keep up. In many cases, you can buy more RAM to maximize memory and improve your computer's ability to perform several tasks at once. Every motherboard has a limited number of slots where RAM modules can be inserted, and a limit to the amount of inserted RAM it can recognize. If the maximum amount of RAM is not already installed on your motherboard, you can buy more RAM.
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Types of RAM
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A common type of RAM in earlier PCs was SDRAM, which was followed by the invention of DDR RAM. Rambus RAM was introduced by Rambus Inc, but legal issues prevented its superior technology from becoming popular. Manufacturers typically use DDR2 or DDR3 as the standard for PCs and laptops.
Determine Current RAM
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Check your computer's owner's manual or motherboard manual to determine how much RAM you have and are capable of upgrading to. Compare this with the data on your computer by opening the System Information dialog box in your System Tools folder and selecting "System Summary."
To find this information electronically, right-click on "My Computer" and select "Properties" to view the current amount of RAM. As an alternative, use the Crucial Memory Adviser Tool by Lexar Media, a software program available for free online use, to automatically search more than 250,000 solutions for over 50,000 different computers and laptops.
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Identify Configuration
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Use your owner's manual to locate the RAM module on the motherboard of your PC or laptop. Gently push down on the clips of the RAM socket to pull it out. Determine any unique markings on the card, such as "DDR," "DDR2" or "DDR3," and count the pinholes on the card. Write this information down for later use when shopping.
Purchase RAM
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RAM can typically be purchased in retail stores such as Best Buy and Staples, but the discrepancy between brick-and-mortar store pricing and online pricing is usually surprisingly wide. TigerDirect.com and CircuitCity.com offer a wide selection of RAM online, and Amazon.com or Ebay.com may have auctions you can bid on. Type your specific RAM card information into a search engine, and purchase no more RAM than the computer allows, such as a 1GB module (or two 512MB modules for dual-channel memory).
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