Buyer's Checklist - Make sure all your bases are covered.

Get the Right Type<br />
Does your motherboard accept SIMMs or DIMMs?<br />
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Get the Specifics<br />
Once you find out what type of module, make sure you're getting the right:<br />
Type (regular vs. EDO vs. SDRAM)<br />
Speed (measured in nanoseconds)<br />
Parity or nonparity<br />
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Play the Math Game<br />
Are you making the most out of your open slots and existing memory? Make sure to get the ideal amount for your empty slots, so that you never have to throw away any old modules to make room for new ones.