How Much RAM Can a Dell XPS 13 7390 Take?
Dell XPS 13 7390
The memory is soldered to the mainboard. It cannot be upgraded.
There are no memory slots on this model, so no RAM stick will fit. The largest configuration this laptop shipped with was 16 GB of LPDDR3. If you need more memory, the only route is a different laptop.
See laptops that ship with more RAM →How we know
This answer is derived from 118 independent hardware reports for the Dell XPS 13 7390, of which 100% agree. We publish a model only when the reports agree overwhelmingly.
Check it yourself
On Windows, open Task Manager → Performance → Memory. It shows Slots used and the form factor directly. On Linux, run sudo dmidecode -t memory.
Specifications derived from linuxhw/DMI, licensed CC-BY-4.0.