.png)
Here’s a list of community verified hubs, that work well with SteamVR dongles.
And here are community recommended cables. In general; any USB 2.0 cable will work fine. If you’re using USB 3.0, just make sure it’s shielded to avoid interference.

Nope! MTT isn’t a requirement. Overall chip layout on the hub is more important.
Here’s an infodump all about MTT below:
Nope!
Even a 2.0 USB hub, with a single 2.0 USB cable back to your PC would have enough bandwidth for 40 SteamVR dongles.
A single high speed USB 2.0 port (480 Mbps) has enough bandwidth to support 40 full-speed (12 Mbps) SteamVR trackers simultaneously!
| Number of Ports | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Bandwidth | ||||||||||||||||
| Required | ||||||||||||||||
| by dongles (in Mbps) | 12 | 24 | 36 | 48 | 60 | 72 | 84 | 96 | 108 | 120 | 132 | 144 | 156 | 168 | 180 | 192 |