E Ink launched its largest ePaper module yet, a 42" 2160x2880 (85 DPI) panel. E Ink is demonstrating this panel at CES 2017, and it is also the same panel used by QuirkLogic's Quilla system unveiled a couple of days ago.

E Ink 42'' module photo (CES 2017)

E Ink did not yet disclose the availability of this new module, hopefully we will hear more soon.