Here's a useful listing of USB hubs that have been compatibility tested with the Raspberry Pi. Not just any hub will work, BTW. : r/raspberry_pi
How to build a Raspberry Pi NAS - Raspberry Pi
Design and Build your own High Power USB Hub Port Extender
4-Port USB Hub for Raspberry Pi | The Pi Hut
Is using a powered USB hub Raspberry Pi DC power and USB data a good idea? Or does it create an odd, circular dependency that could blow the hub? - Super User
4-Port USB Hub for Raspberry Pi | The Pi Hut
BIG7: 7-Port MTT USB Hub for Raspberry Pi (Rev 2) | UUGear
4-Port USB Hub for Raspberry Pi | The Pi Hut
Raspberry Pi admits to faulty USB-C design on the Pi 4 | Ars Technica
Zero4U: 4-Port USB Hub For Raspberry Pi Zero | The Pi Hut
X150 9-Port USB Hub / Power Supply Expansion Board for Raspberry Pi
back-power | UUGear
RASPBERRYPI-4-PORT USB | RENKFORCE Power Hub | SOS electronic
CS107E Guide: Powering the Raspberry Pi A+
PoE USB Hub HAT for Raspberry Pi Zero | Blogdot.tv
Raspberry Pi 3 - External Power for USB Ports : 4 Steps (with Pictures) - Instructables
Renkforce USB-Power-Hub Raspberry Pi® USB hub/interface converter Compatible with (development kits): Raspberry Pi | Conrad.com
Raspberry Pi 4 Port USB HUB Compatible With USB2.0 1.1 Serial Debugging Onboard USB to UART USB HAT For Raspberry Pi 3 B/B+/Zero/Zero W: Amazon.co.uk: Electronics & Photo
How to protect a Raspberry Pi from a powered hub.
Raspberry Pi 4 USB Port Expansion - YouTube
MEGA4 - 4-Port USB 3.1 PPPS Hub for Raspberry Pi 4 | The Pi Hut
BIG7: 7-Port MTT USB Hub for Raspberry Pi (Rev 2) | UUGear
The Raspberry Pi 4 doesn't work with all USB-C cables | TechCrunch
RPi Powered USB Hubs - eLinux.org
