Question I think my generic RAM is dying - what should I replace it with?

[jamesanyoung]

And is it hard to replace RAM? Do I just pull out the old sticks and replace it with the new ones?

 

[jamesanyoung]

Will this work? Going from 4x4gb to 2x8 gb?
Should I upgrade to 32?

https://www.amazon.ca/gp/product/B009M0TCK8/ref=ox_sc_mini_detail?ie=UTF8&psc=1&smid=A3DWYIK6Y9EEQB

 

[jamesanyoung]

Or can I get 2 sets of this?
https://www.amazon.ca/Corsair-Venge...0615454&s=gateway&sprefix=DDR,aps,218&sr=8-33