Sure…
You saw this line in the specs
But, you might not have grokked this part of the specs:
There are 3 PCIE, Key M (SSD), Key B (SSD) and a Key E which is an M.2 used for wireless. Note that I drew a mark between the two for the wireless.
These are physically different connectors, (i.e. the 22x80, 22x42 and 22x30). It might be possible to remove the internal Wifi card, and buy adapters that would let you use the Key E for an SSD. I believe that is talked about here in a tinkering blog (Replacing a Wifi card with an PCI-e SSD).
The blog also has a brief run down of the different cards with pics to see the diff shape/sizes and their general usage. (storage vs wifi vs bluetooth)