You would have to purchase it separately. What was the date on their post? IIRC initially the PBP was always going to ship with the 64GB emmc, but the very first public batch was offered with the 128GB emmc, as an "early adopter" kind of perk. (The Pine community was much smaller then.) Every batch after has been 64GB.
If you have any other Pine products, nearly all of them can make use of that same emmc, so it potentially wouldn't have to just sit around.
If you have any other Pine products, nearly all of them can make use of that same emmc, so it potentially wouldn't have to just sit around.