So, you want to max out your ram to 4GB, yet you have 512MB ram with CL5..
You dont have to care about the 512MB ram stuff. Since those are getting replace.
Get 2 of these. You will then have total of 4GB.
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www.newegg.com/Product/P ··· 20145590It is compatible with your Dell Inspiron 531s.
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