Only sees 160gb on 14tb and 12tb easystore

WD External Drives External Drives for Mac
1

I have 2 drives and they both only see 160gb on my mac and my windows 10 pc… need some help. Phone support told me to return them, the replacements do the same thing

2

I have tried diskpart on the pc and terminal diskutil on the mac… Maybe I did not have the right commands,???