Home Assistant Green : https://www.home-assistant.io/green/
Home Assistant Green is the easiest way to start using Home Assistant. This device contains everything you need to run Home Assistant in one box. Simply plug in power and network cables, and you'll be up and running. Meanwhile, it will be automatically updated to the newest version of Home Assistant, and the mobile apps will seamlessly guide you through the setup process.
Home Assistant is a versatile smart home platform that works with Apple HomeKit, Google Home, Samsung SmartThings, and Amazon Alexa out-of-the-box. With powerful hardware, including a 1.8 GHz Quad-core ARM processor, 4 GB RAM, and 32 GB eMMC storage, the board can be expanded to support additional smart standards. It offers more than 2,500 built-in integrations for hundreds of thousands of smart devices and online services, allowing you to control and automate all your devices from one app.
The board keeps your data private and secure, accessible only to you. Powered by one of the world's largest open-source developer communities, Home Assistant adds new features and improvements to the board every month, ensuring your smart home never lets you down.
This single board can be your very first step to upgrading your smart home. You can also expand more with other Green's extensible capabilities. You can add Home Assistant SkyConnect for Zigbee/Thread communication and Home Assistant Cloud for voice assistants, as well as integrate third-party accessories to support other smart standards.