Manufacturer of SSDs and RAM kits ZADAK has unveiled their new 32 GB DDR4 RAM module with a height far greater than that of typical RAM sticks. Mainstream PCs with 4 DIMM slots could support 128 GBs of RAM using these modules.
https://www.notebookcheck.net/ZADAK-unveils-one-of-the-largest-DDR4-modules-ever-made-for-consumers.336508.0.html