I have taken a look at A4 size e-ink ebook readers for pdf files.
I have found five models:
- SONY DPT RP1
- Good e-reader 13.3"
- Onyx Boox Max Carta
- Icarus A4
And there is Remarkable, but that is only 10" large.
They have quite the same price, around 700 $.
On what properties should I evaluate these models, if I want to read scientific books and research papers on them?
There are some advice at
What other properties should I look for in this ebook reader market niche?