343
Valve releases the Steam Deck OLED with up to 1TB storage
(store.steampowered.com)
Steam is a video game digital distribution service by Valve.
Steam News | Steam Beta Client news
Useful tools:
SteamDB
SteamCharts
Issue tracker for Linux version of Steam
That's just how TVs are, it relates to the expected stresses on the panel and body. It doesn't support itself well in any way except standing up.
Luckily this is not an issue on handhelds!