want to upgrade ram

[just4draw071160a02f2]

i want to upgrade my laptop ram and try to buy a same one , but i don't know what model is it , i go check the msi website it's only show 16 gb ddr5 ram*1
the laptop that i use : Katana 15 B13VFK-2272HK

 

[zipper.sippola]

Use HWiNFO64 for instance.