good question
but looking at the product page … it makes no mention of any encryption (even up to 5TB)
http://www.wdc.com/en/products/products.aspx?id=260#Tab2
WDBWLG0050HBK | USB 3.0 and USB 2.0 | 5 TB | Windows/Mac |
WDBWLG0040HBK | USB 3.0 and USB 2.0 | 4 TB | Windows/Mac | |
WDBWLG0030HBK | USB 3.0 and USB 2.0 | 3 TB | Windows/Mac | |
WDBWLG0020HBK | USB 3.0 and USB 2.0 | 2 TB | Windows/Mac |
WD needs to update their product page marketing though …
Massive capacity
With up to 3 TB capacity, there’s plenty of room for all your important files and precious memories.