File:VIA Labs VL812 USB 3.0 4-Port Hub Controller - Chip on Board.jpg - Wikimedia Commons
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New Original Usb Hub Controller Chip Ssop-28 Au9254a21-has-gr - Buy Ic Ssop-28,Ic Chip,Au9254a21-has-gr Product on Alibaba.com
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Ethernet/USB HUB HAT Expansion Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Pi Zero W/Pi Zero 2W,with RJ45 10/100M Ethernet Port (Based on RTL8152B Chip) and Three USB Ports,Compatible with USB2.0/1.1