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Pimoroni Picade X HAT USB-C for Raspberry Pi [PIM462] : ID 3402 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Raspberry Pi PoE+ HAT : ID 5058 : $20.00 : Adafruit Industries, Unique & fun DIY electronics and kits
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Raspberry Pi Usb To Rj45 Ethernet Port 3 Usb Hub Hat Expansion Board For Raspberry Pi 4 Model B 3b+ Zero W Wh 1.3 - Demo Board Accessories - AliExpress
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