XPS 16 9640 Maximum RAM
The maximum supported RAM for the XPS 16 9640 is 64 GB.
Specifications
- Maximum RAM
- 64 GB
- Memory type
- LPDDR5x
- Total slots
- 0
Worth knowing before you buy
- This is the manufacturer-documented maximum — some platforms have been community-tested beyond the officially configured maximum, but that isn't treated as verified here.
Sources
- Dell — XPS 16 9640 Owner's Manual — verified 8/19/2026
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