8bitdo ultimate C controller is a really great new affordable controller that seems to work perfectly with steamOS! : r/SteamDeck
The Best Controllers For Steam Deck (2024)
8BitDo Ultimate 2.4g Wireless Controller With Charging Dock, 2.4g Controller for PC, Android, Steam Deck & iPhone, iPad, macOS and Apple TV (Black): Android: Video Games
The best controller for steam deck is one you already have. My PS One Analog is still working, tho through cable with more than a decade old PS2 to PS3 USB converter.
8BitDo Ultimate 2.4g Wireless Controller With Charging Dock, 2.4g Controller for PC, Android, Steam Deck & iPhone, iPad, macOS and Apple TV (Pastel Pink): Android: Video Games
8BitDo Ultimate C 2.4G Wireless Controller
8BitDo Ultimate Bluetooth Controller with Charging Dock, Wireless Gamepad with Hall Sensor Joystick, Compatible with Switch, Steam Deck and Window 10 : Video Games
8BitDo Ultimate Bluetooth Controller Gamepad with Charging Dock New Colorways for Nintendo Switch, PC, Windows 10 11, Steam Deck - AliExpress
Budget PC Gaming Wireless Controller! Works w/ Steam Deck too! 8BitDo Ultimate C 2.4G
Budget PC Gaming Wireless Controller! Works w/ Steam Deck too! 8BitDo Ultimate C 2.4G
Review of Razer Kitsune Arcade Controller Im a Believer - Game News 24
8BitDo Ultimate C Wired Controller (Windows/Android/Raspberry Pi/Steam - GameXtremePH
Ultimate C Wired Controller for Windows PC, Android, Steam Deck & Raspberry
The best controllers for PC gaming in 2024 - Polygon