Is WINDBAR D91 a Suorin Air device?

No. WINDBAR D91 vs Suorin Air slim is a job split. D91 is a 10 mm card on windbar.ai. Suorin names are a compact-kit class. This page is not affiliated with them.

What thickness is published?

10.000 mm on the CAD plate used here.

Can you list Suorin Drop millilitres here?

No. Those numbers are unknown in this article.

Does 4.4 V change by edition?

No. Five editions share the peak drive.

What should I open after this page?

Open the D91 product page, then the WINDBAR ohm’s law calculator if you need 4.4 V math.