No, not even a 1x32GB.
A very common Apple ploy....
Find a company producing a bleeding-edge product that is still in low volume (as all bleeding-edge products are), approach them and negotiate an exclusive contract to purchase all they can manufacture. Apple will even invest in expanding said companies facilities to meet their demand if need be.
For 32GB SODIMMS it happens to be Samsung. (They are the ONLY company in the world producing them)
The same is true for 5K panels from LG. (They are the ONLY company in the world producing them) Apple has an exclusive contract and buys them all. Apple turned the water off on DELL, HP and others that produced them only briefly.
I crack up when I see forum titles like this on Ars Technica...
"What the heck happened to the 5K displays?"
Apple is very tight with both LG and Samsung. Despite the lawsuits between Samsung and Apple they are both on top of their games and $$$ makes their decisions.
Apple also carries this practice over to UPS, FedEx and DHL. Many months in advance of Christmas Apple pre-books flights from these companies based on their anticipated sales. When their competition try's to order shipments for Christmas delivery of their new products from the large shippers they are told "Sorry we have no more flights available."
Some people would call this a ruthless business practice, while others call it a great business move.
If you own Apple stock it is the latter....