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Amazon.com: Ethernet/USB HUB HAT Expansion Board for Raspberry Pi 4 B/3 B+/3 B/2 B/Zero/Zero W /2 W/Zero WH/2WH, with 1 RJ45 10/100M Ethernet Port, 3 USB Ports Compatible with USB2.0/1.1 : Electronics
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Amazon.com: Ethernet/USB HUB HAT Expansion Board for Raspberry Pi 4 B/3 B+/3 B/2 B/Zero/Zero W /2 W/Zero WH/2WH, with 1 RJ45 10/100M Ethernet Port, 3 USB Ports Compatible with USB2.0/1.1 : Electronics
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PoE Ethernet / USB HUB HAT for Raspberry Pi Zero, 3x USB 2.0 Ports, 802.3af-compliant | PoE/ETH/USB HUB HAT
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networking - Why do the USB ports and Ethernet port share the same controller? - Raspberry Pi Stack Exchange
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