8TB my cloud home

why the available space of my new my cloud home is only 7TB?

@alexpwm The article below explains the space available on a My Cloud Home
https://support.wdc.com/knowledgebase/answer.aspx?ID=25072&s=

@ SBrown

Why does the 8TB drive start life with just 7.276TB capacity.
Where has the considerable other amount gone?

Since the day hard drives came out they need to be formatted and that’s where it goes. Its normal