Hello I had the same question as in Aug 2023 I bought vivobook 15x k3504 with i5-1340p and only 8gb of DDR4 RAM. I didnt expect that the machine comes with only 1 SODIMM slot and an that the 8gb MICRON 4ATF1G64H
integrated gpu, 1x16GB stick of DDR4-3200 in a single SODIMM slot, 500GB NVMe) to supplement having returned my work laptop after leaving my last job. Not being in a rush to take a less than ideal next role...
I am planning to buy a new laptop equipped with 8GB of soldered RAM plus 1 socket for DDR4 SODIMM and IRIS Xe Graphics. I am thinking of adding 1 x