Choosing the right memory module for you PC can be easy
1.)First you want to know what type of memory your computer can support. Choosing the wrong memory can make you computer stall or shut off. Make sure the speed of the memory is the same as the speed of you computer. Also make sure that you choose the right amount of memory that your computer can support. You also want to check to see if your computer supports DIMM, SDIMM, DDR, DDR2, or DDR3 memory. DDR3 is the fastest memory module that you can buy but it is expensive. If you want a very fast memory module the you should choose a 800MHz or even the 1066MHz module
2.)Next find company from which you want to buy from. You can visit their website and look for the memory yourself, or if you have the serial number you can type that in and you will find it right away. When you find the memory module that you want you can order online or you can call them. Buying right from the makers can be more expensive than going to another website. You can find the some memory module on many other websites for a cheaper price than some other sellers. Some branded modules include Kingston, Corsair, Crucial, PNY and few more. The manufactures that are the best are Corsair and PNY. They have the most advanced and cheapest memory on the market. They always have the memory you need at the price you need.