There is a way to snapshot a copy of a Chromebook's hard disk.

PassMark Software seems to have a write up on such. It lists twelve distinct variations of Chromebook:

1. Acer AC700
2. Acer C720
3. Acer C7
4. Chromebook Pixel
5. Cr-48
6. HP Chromebook 11
7. HP Chromebook 14
8. HP Pavilion Chromebook
9. Lenovo Thinkpad X131e Chromebook
10. Samsung ARM Chromebook
11. Samsung Series 5 550 Chromebook and Series 3 Chromebox
12. Samsung Series 5 Chromebook