What RAM to buy. What processor can I get? Help needed.

Jan 29, 2019
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Hi,

I currently own a Acer Aspire e15 es1-511-c723, I am looking to buy new RAM, I don't know what RAM to buy.

Can someone help me with this?

Also, I have a 2.5" HD correct?

And can I upgrade my processor to a AMD A6 6400 3.9?