They run a 3,200 MHz clock speed, although they can be downclocked ... then you’re probably running on the newer DDR5 memory, which means that you can’t upgrade your laptop with the older ...
I bought and extended my laptop memory first time in my life. It has 4 Gb soldered RAM, together 20GB. I did not do any specific tests, but happen to report to GitHub/VSC and look at the part of ...