MEGA4: 4-Port USB 3.1 PPPS Hub for Raspberry Pi 4B

BIG7: 7-Port MTT USB Hub for Raspberry Pi (Rev 2)

Raspberry pi 4 Port USB HUB HAT, 3D CAD Model Library

MEGA4 4-port USB 3.1 PPPS HUB for Raspberry Pi 4B - RobotShop

Makerspot 4-port Stackable USB Hub Hat for Raspberry Pi Zero V1.3 With Protector for sale online

UUGear (@UUGear) / X

MEGA4 - 4-Port USB 3.1 PPPS Hub for Raspberry Pi 4

USB 3.2 Gen1 & Gigabit Ethernet HUB HAT for Raspberry Pi, 3x USB, 1x ETH - RobotShop

4-Port Raspberry Pi USB HUB HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W, 4 USB Ports Compatible with USB2.0/1.1 Onboard USB to UART Onboard Multi Indicators : Electronics

GitHub - mvp/uhubctl: uhubctl - USB hub per-port power control

MEGA4 Pimoroni Ltd, Development Boards, Kits, Programmers

Raspberry pi 4 Port USB HUB HAT, 3D CAD Model Library

Raspberry Pi Boards, Kits, HATs, and Accessories - Next Day Delivery - Pimoroni