How to Buy PC Memory
Computer random access memory (RAM) is integrated circuits that plug into a motherboard and assists the processor by storing application and process data temporarily. Buying new RAM is often the cheapest and easiest way to increase computer performance. The most difficult part of upgrading RAM is often choosing what type of RAM to buy.
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Instructions
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Decide how much total memory you want to install. RAM works best when installed in like pairs, so if you want 2 GB of RAM, the best way to achieve your goal for the least amount of money will probably be to buy two identical 1 GB modules. For Windows XP, you should get 1 GB. For Vista, you should get 2 GB.
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Consult the website of your computer's manufacturer for upgrade advice. Computer motherboards vary as to the type of RAM they can use. The manufacturer should have advice as to what type of RAM you can use for your specific computer model. The computer model number will probably be on a sticker or stamp on your case and user manual.
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Identify your motherboard and search for compatibility. Sometimes you might not be able to consult a specific computer maker such as Dell or Gateway. In this case, you should search the website of your motherboard's manufacturer for information on what type of RAM is compatible. To identify your motherboard's model and manufacturer, download and run the CPU-Z freeware tool, and click the "Mainboard" tab. You can also check out Crucial's helpful memory upgrade resources, which allow you to scan your computer for potential upgrades.
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Buy the type or RAM appropriate for your computer from a reputable online retailer for the best prices. The best prices on RAM can usually be found at discount online stores such as NewEgg or Tigerdirect. Computer manufacturers such as Dell will often charge extra for brand name RAM even though it will function the same as other RAM of the same type. If you need RAM as fast as possible, go to a retail store.
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Tips & Warnings
If you install memory your motherboard cannot use, it might cause your computer to fail. If you use two types of RAM at the same time, the faster RAM will likely run at the speed of the slower RAM.
