Yes, it is possible to install DDR5 RAM in the Dell XPS 15 (9530). The laptop supports DDR5 memory modules, and users have reported successful installations of 32GB DDR5 RAM kits, specifically with speeds of 4800 MHz and 5200 MHz. However, compatibility can vary, and some users have experienced issues with specific brands and models of DDR5 RAM not functioning correctly.
For optimal performance, it is recommended to choose RAM that is listed as compatible on reputable sites or from manufacturers like Crucial. Some users have successfully used Crucial's CT2K32G52C42S5 model, which operates at full rated speeds without issues. It's advisable to purchase returnable RAM to avoid problems with compatibility[2][5].
Citations:[1] https://www.memorystock.com/memory/DellXPS159530.html
[2] https://www.dell.com/community/en/conversations/laptops-general-locked-topics/successful-32gb-ram-in-xps-9530/647f638ef4ccf8a8defc7a96
[3] https://memory.net/product-category/dell/xps/15-9530/
[4] https://www.dell.com/community/General/XPS-15-9530-RAM-Upgradable-Question/td-p/4737394
[5] https://www.reddit.com/r/DellXPS/comments/188f35f/successful_ram_upgrade_for_xps_9530/