Crucial 16GB Single DDR4 2133 MT/s (PC4-17000) DR x8 SODIMM 260-Pin Memory - CT16G4SFD8213 at Amazon.com
How is it going to work for me if I add an 8GB DDR4 2400MHz RAM stick along with a 4 GB DDR4 2133MHz, which already came installed with the laptop, Dell