Adorama has Crucial 32GB (2x 16GB) DDR4 (PC4-19200) Module Kit for 259.99
It’s back ordered, but the site still seems to accept orders.
CT2K16G4XFD824A
https://www.adorama.com/ctb2k16g4dsb.ht
The title says EUDIMM, but in spec section of the product page, it’s listed as non-ECC.