Here is one option: [URL] Kingston and others have similar memory configuration tools you can use to select compatible RAM.  
I'm having Dell Inspiron 5593 laptop.Current Specifications are: I wanted to upgrade RAM and SSD while keeping the cornet RAM and SSD.I want to add another 16GB RAM and 1TB NVME M.2 SSD.I want to know this upgrade is possible and can you recommend some models of DDR4 16GB RAM and 1TB NVME M.2 SSD?
Inspiron 5593, what are the best choices to upgrade hardware?