Valve's dock lets your Deck sit pretty, but your existing hub is probably fine.
Valve Steam Deck review: An impressive portable gaming PC
Upgrades your Steam Deck or ROG Ally docking experience with more options, including gigabit Ethernet and additional M.2 solid state storage. Includes an RJ45 Ethernet port for network and Internet connectivity at up to 1000Mbps (GbE). An internal M.2 slot lets you add an NVMe or SATA SSD for more file and game storage. HDMI 2.0 port provides mirror and extend display output capabilities at up to 4K@60Hz with HDCP 1.4 support.
Sabrent USB-C 6-Port Docking Station with M.2 Port Stations, Steam DS-SDNV
TV Docking Station for Steam Deck, RGEEK 5 in 1 Hub Stand Dock with 4K HDMI,3 USB3.0 Data Port, USB-C PD Charging for Steam Deck
The best Steam Deck dock 2024: Park your portable PC
Steam Deck Docking Station with Fan 11-in-1 HDMI 2.0 Compatibility 4k@60hz Gigabit Ethernet Fast Charging – Minixpc
Valve Steam Deck Review
Valve Steam Deck Dock Review
You should buy a Steam Deck dock: Here's why
One of the best Steam Deck docking stations is up to 30% off for Prime Day
10 Best Steam Deck Docks You Can Buy in 2024
Upgraded Steam Deck Gaming Experience: The upgraded NewQ 7-in-1 Steam Deck Dock provides massive expansion by adding seven ports including SD/TF dual
Steam Deck/Steam Deck OLED Dock with SD/TF Reader, NewQ 7-in-1 Dock with HDMI 2.0 4K@60Hz, 2 USB-A 3.0, 1000Mbps Ethernet, PD-in 100W Max, Compatible