Spec-wise, the 100e, 300e and 500e Chromebooks are powered by Intel Celeron or MediaTek SoCs and can support 4-8 GB of RAM, with 32-64 GB of internal storage. Additionally, the 300e and 500e come with a 2-in1 design. The three models feature rugged cases and affordable price tags.
https://www.notebookcheck.net/Lenovo-s-100e-300e-500e-Chromebooks-are-some-of-the-toughest-devices-at-MWC.286492.0.html