I am a youtuber in China,which be reported by Techpowerup in this news
https://www.tomshardware.com/news/samsung-is-swapping-ssd-parts-too
I have found that WD SN850 speed drop again after WD realeased a new fireware 613200WD in 12 July
WD have change the hardware and the new version SN850 2TB&1TB use 614600WD firmware.
And SN750 1TB still has speed drop,3100MB/s to 1100MB/s,for the latest version,111130WD firmware
View: https://www.youtube.com/watch?v=e5qjT-wRk1U
https://www.tomshardware.com/news/samsung-is-swapping-ssd-parts-too
I have found that WD SN850 speed drop again after WD realeased a new fireware 613200WD in 12 July
WD have change the hardware and the new version SN850 2TB&1TB use 614600WD firmware.
And SN750 1TB still has speed drop,3100MB/s to 1100MB/s,for the latest version,111130WD firmware