It looks like more handhelds will soon be able to run SteamOS if this MSI Claw gameplay test is anything to go by

Valve has added support for Intel processors to a beta version of SteamOS, allowing more handheld devices like the MSI Claw to run the operating system. While initial testing shows promise, some games may still perform better on Windows, and certain features like TDP adjustment require third-party plugins.

▸ entities in this article

PLATFORM Steam Deck
COMPANY Valve
PLATFORM Legion Go
PLATFORM ASUS ROG Ally
COMPANY MSI
PLATFORM MSI Claw
PLATFORM SteamOS