The maximum RAM capacity for the Dell XPS 15 (9530) is 64 GB. This model supports two SODIMM slots and can accommodate DDR5 memory modules, allowing for significant upgrades beyond the previously stated limits of 16 GB in earlier models[3][4].
Citations:
[1] https://www.memorystock.com/memory/DellXPS159530.html
[2] https://www.dell.com/community/General/XPS-15-9530-RAM-Upgradable-Question/td-p/4737394
[3] https://www.reddit.com/r/Dell/comments/13d0375/max_ram_size_for_xps_15_9530_2023/
[4] https://www.dell.com/community/en/conversations/laptops-general-locked-topics/successful-32gb-ram-in-xps-9530/647f638ef4ccf8a8defc7a96
[5] https://memory.net/product-category/dell/xps/15-9530/