My ethernet powerline adapter kept overheating and throttling so I plonked a usb fan next to it : r/techsupportmacgyver
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TP-Link TL-PA4010KIT Nano AV600 Powerline Adapter Starter Kit, Up to 300 m range, No Configuration Required, UK Plug : Amazon.co.uk: Computers & Accessories
Best Powerline Adapters 2022: Improve your home network speeds