Happy to report Steam Deck works just fine as a decent workstation with dual monitor plugged in to a Dell display port laptop dock(wd19dc) : r/SteamDeck
2 Ways to Connect Your Steam Deck to an External Monitor or TV
Steam Deck Dock M.2 SSD Slot TV Monitor Desktop Station Hub HDMI Gaming 4K USB | eBay
Steam Deck :: Dock
Amazon.com: Lemorele Steam Deck Dock, 6 in 1 Docking Station w/HDMI 4K@30Hz, Gigabit Ethernet, 3 USB-A 2.0 and Full Speed Charging USB-C Port for TV, Monitor, Tablet, Mouse, Keyboard, Steam Deck Accessories :
Steam Deck Guide: Get A USB-C Hub And Start Using Desktop Mode
How to connect your Steam Deck to a TV or monitor | Asurion
How is the Steam Deck as a desktop PC? | Rock Paper Shotgun
1080p HDR VRR (60hz) Portable Monitor for Steam Deck, TB3 Devices, Consoles like Switch PS4 PS5 Xbox - YouTube
Portable monitor support on the Deck works great and single wire connecting also performs well : r/SteamDeck
Finally Got Triple Monitors Working on the Deck : r/SteamDeck
My Portable OLED Steam Deck Setup - YouTube
How is the Steam Deck as a desktop PC? | Rock Paper Shotgun
Portable Monitor Perfect For The Steam Deck Is On Sale
Best Portable Monitors For Steam Deck and Consoles - GamersDirector
Multi-Monitor Setup - Steam Deck (also comparison with OneXPlayer Mini and Helios 300 Laptop) : r/SteamDeck