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Oct 7, 2020
The drives from my Dell 9020 core i7 with 32GB ram

Drive 82 the spinner is behaving as expected

Drive 2 is the OS boot drive which is a Silicon Power 3D NAND which I purchased in July but have only been really using it since early November. I have to say that I am a bit disappointed at the amount of performance that has been lost on the Front of the drive already.
Driv Size  Drive Identity     Location:    0      25%     50%     75%     100
---- ----- ---------------------------- ------- ------- ------- ------- -------
82  500GB ST500DM002-1BD142             137.9   127.4   114.9    96.6    69.4
 2  512GB SPCC Solid State Disk         435.4   520.2   543.4   543.4   543.4

                  Benchmarked: Monday, 2021-01-04 at 09:39
Hi, thanks for posting your results!

Yes, that is quite the drop off! A couple of months' use, you say? That does seem disappointing! I'm not familiar with Silicon Power, I guess it's a less well known brand?

Do you think it might have lower quality memory chips than, say, the Samsungs etc? (No offence intended!) :)
How full is the drive? What's percentage used vs not? May be the 'TRIM effect'; as data was never written to certain regions, pages are in erased state and drive does not even read them, just reports zeros right away.