How to add RAM slots from the outside to a laptop
Crucial, a major RAM retailer, offers a free and easy tool you can use to determine your PC's maximum RAM capacity, how many SIMM or DIMM slots are available, and what type of RAM will work best.
Check Empty RAM Slots Available In Windows 11 Laptop HTMD Blog
If it looks like the RAM slots are close to the CPU on your motherboard, check the height of the RAM modules you want and then check the clearance of the heatsink you wish to use.
How To Enable Dual-Channel RAM (Step-By-Step) - The Tech Wire
Now the question is, which RAM slots to use? ... With one RAM stick, you can install it in any of the slots but preferably right next to the processor channel.
How to Use Laptop RAM in a Desktop PC – Complete Guide - Pigtou
How to determine the number of RAM slots in use on Linux.