Waveshare's Compact PCIe Card Adds Four USB 3.2 Ports to a Raspberry Pi Compute Module 4 IO Board - Hackster.io
Zero4U - 4 Port USB Hub for Raspberry Pi Zero v1.3 : ID 3298 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Geekworm Raspberry Pi X820 V3.0 USB 3.0 2.5" SATA HDD/SSD Storage Expansion Board Mobile Hard Disk Module for Raspberry Pi 3 Model B+/3B
Raspberry Pi 5 - 8GB | Raspberry Pi 5 - 4GB – Vilros.com
The fastest USB storage options for Raspberry Pi | Jeff Geerling
Yahboom USB 3.0 HUB Expansion Board 1 to 4 support 5A 9-24V Power
USB 3.2 Gen1 HUB HAT For Raspberry Pi, 4x USB 3.2 Gen1 Ports, Driver-Free
Raspberry Pi - Wikipedia
Amazon.com: GeeekPi SATA Storage for Raspberry Pi 4, 2.5 inch SATA HDD/SSD Expansion Board X825 V2.0 USB3.0 Shield for Raspberry Pi 4 Model B ( Only for Raspberry Pi 4B ) : Electronics