Review Silicon Power US75 (2TB) Review: A Practical Choice for the Everyday Gamer

I just bought the US75 4TB model and it seems they swapped the NAND Flash to part number YMC8G008Tb78CA1C0 which I believe is QLC. The speed drops to less than 100MB/s and it took me 32 minutes to transfer a single 170GB zip file
 
I just bought the US75 4TB model and it seems they swapped the NAND Flash to part number YMC8G008Tb78CA1C0 which I believe is QLC. The speed drops to less than 100MB/s and it took me 32 minutes to transfer a single 170GB zip file
Any proof of this? cant find anything about it online
 
Any proof of this? cant find anything about it online
Oc4mQQq.jpg

I only have the image I took before I returned the SSD.

I am not sure if there were any changes since then.