I have acer aspire e15 e5-575-53vg. My laptop was becoming sluggish. Have an ssd installed so I knew that wasn't the problem and the only one I am able to upgrade to improve my PC performance was to replace my 16gb 2x8 to 32gb 2x16. Because the 16gb ram was using 98% all the time. The max speed my laptop can go up to 2133 MHZ but it's still nice to have a ram capable of running at 2666mhz.
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