Dell XPS 16 9640
No. The memory is soldered to the board.
32 or 64 GB is built in and there is no slot to add more.
- Free slots
- None
- Type
- LPDDR5-6400
- Soldered
- 32 GB or 64 GB, depending on the configuration
- Firmware says
- 32 GB maximum
- SSD slots
- At least 1 M.2 SSD slot listed by the firmware
- How sure
- 5 of 5 reports show this layout
Worked out from 5 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 98 Wh.
That is the design capacity the batteries themselves report, and the label can read 1 to 3 Wh higher. Other pack sizes may have shipped, so check the capacity printed on yours before you order.
From 5 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Dell XPS 16 9640?
No. The memory is soldered to the board. 32 or 64 GB is built in and there is no slot to add more.
What type of RAM does the Dell XPS 16 9640 use?
LPDDR5-6400 memory soldered to the board.
How much RAM can the Dell XPS 16 9640 take?
Machines in the reports run up to 32 GB, and one runs 64 GB. That matches the 32 GB maximum the firmware reports.
Does the Dell XPS 16 9640 have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 5 reports. Some firmware leaves a slot out, so there may be more.
What battery does the Dell XPS 16 9640 use?
Batteries in these laptops report 98 Wh, going by 5 reports. Other pack sizes may have shipped, so check the capacity printed on yours.
Is this my laptop?
Check the model name on the label underneath. It should read XPS 16 9640.