Anyone have experience on cache drives? compare SAS or NVMe drives? Which should I use for a better performance?

For example,

Dell 800GB, Enterprise, NVMe, Write Intensive

or  SAS

https://www.dell.com/en-ca/shop/800gb-ssd-write-intensive-sas-12gbps-512e-25in-hot-plug/apd/345-bcbg/storage-drives-media

Thanks in advanced,

Stephen