I plan to buy a laptop. And would like to upgrade the 16gb 2666 to 32gb with more mhz. However, I have no idea how to find out how much mhz the laptop supports. Here is the link maybe someone can help me.
https://m.alternate.de/html/product/1647930?partner=goadwoPLA#product-details-tab
Depends on the board and the CPU.