I have a Lenovo Thinkpad Edge E540 with 4GB of RAM that I'm looking to upgrade. I used Crucial's tool here and found that there are several different kinds of RAM that I can get, like DDR3L PC3L and DDR3 PC3. Is there a difference between them? Should I open my computer and see exactly what kind is in it?
Also, I heard that generally you want to use two cards of the same the same size; i.e. if I were to buy only one more card, it should be another 4GB one so that they're both the same. True? I want a bit more than 8, but I think 16 would be overkill. Would I be fine just buying an 8GB card to run with the one I have?
Lastly, is this the same as the 8GB cards on Crucial? If so, it'd save me a quite a bit of money.
Thanks.
Also, I heard that generally you want to use two cards of the same the same size; i.e. if I were to buy only one more card, it should be another 4GB one so that they're both the same. True? I want a bit more than 8, but I think 16 would be overkill. Would I be fine just buying an 8GB card to run with the one I have?
Lastly, is this the same as the 8GB cards on Crucial? If so, it'd save me a quite a bit of money.
Thanks.
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