Hang on there mister. A lot of the information about memory performance is very dependent on the chipset being used on the motherboard. As examples, both HP and Lenovo server architectures gain speed with more DIMMs.

https://lenovopress.com/lp0742.pdf
https://community.spiceworks.com/top...rge-ram-sticks

So it needs to be clarified what architecture the question is to be applied to. And especially the age of the hardware (leading to DDR2, DDR3, DDR4 or other) will be necessary knowledge.