These are the 3 intel rst drivers that most people need for dell drive detection in RAID.

https://www.intel.com/content/www/us/en/download/720755/intel-rapid-storage-technology-driver-installation-software-with-intel-optane-memory-11th-up-to-13th-gen-platforms.html

https://www.intel.com/content/www/us/en/download/19512/intel-rapid-storage-technology-driver-installation-software-with-intel-optane-memory-10th-and-11th-gen-platforms.html

https://www.intel.com/content/www/us/en/download/19755/intel-rapid-storage-technology-driver-installation-software-with-intel-optane-memory-8th-and-9th-gen-platforms.html

There is also one newer one 20.1 I think, it's hard to track down.