Only time I really see any advantage is when I reimage the system (OS), even then for data drives I don't overly worry about the speed as long as the drive keeps up with what I'm doing. Like a lot in life you pay a great deal more to attain that last 10%. CPU's being a good example i5 versus i7 etc.
To me the Sabrent R&W speeds are more than adequate. Below is my primary notebooks Samsung NVMe SSD (OS drive) performance and I don't have an issue with it for my needs.
PM961
Next notebook I'd prefer dual M.2 slots, as opposed to M.2 & 2.5" SATA bay. A smaller and faster SSD for the OS and a slower, however larger for data. The Sabrent or one of the Intel SSD's would be solid options.
There is frequently variation in component's, with them being graded accordingly. Manufacturers will also source from varying sources, basically the component is guaranteed to operate within specified parameters, equally some can and do exceed. Hence the "silicon lottery" as is often quoted, sometimes you get lucky.
CPU in this notebook is a good example. although a base 8750H 2.2GHz 8th Gen i7 it's simply not worth considering any upgrade right now as it already pushes 3100CB under Cinebench R20, with an undervolt of -240mV/-140mV and will go deeper at -240mV/-180mV.
TLDR if it feels slow under normal use replace it, if not tune out to the sales & marketing 🙂
Q-6