RAM Upgrade: can i add the same kit?

Jan 21, 2019
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I'm planning to upgrade my ram in the next 3-4 months, will i be able to add the same kit without issues?, This is the memory i have now:
8GB (2x4GB) 3200MHz DDR4 CL16 DIMM XMP HyperX Predator

Can i add the same kit later in the future?

My pc specs:
MSI B450M-Mortar-Titanium
Ryzen 5 2600
GeForce GTX1060 ROG STRIX OC - 6GB GDDR5




 


even if it's they have the exact same timings?
i heard something about checking the serial number if they are the same can some problems happen to the motherboard?
 


Still no guarantee when purchased at different times , happened to my son with HyperX modules.