Hy,
2x16GB Kingston HyperX Impact DDR4-3200MHz CL20 KIT (HX432S20IBK2/32) no problem compatible.
2x32GB Crucial Ballistix DDR4-3200MHz CL16 KIT (BL2K32G32C16S4B) it's compatible X170SM-G laptop?
Somebody rehearsed it already? is going 3200MHz / CL16 without a trouble?
I would exchange present...