Home Assistant Green
Top PickWhat We Like
- Automations run locally, no cloud needed
- Integrations for a very wide spread of brands
- Official hardware supported by the Home Assistant team
Worth Noting
- Zigbee, Z-Wave and Thread need add-on USB radios
- Ports
- Ethernet, 2 USB
- Radios
- Bluetooth
- Footprint
- 4.41 x 4.41 x 1.26 in
- Memory And Storage
- 4 GB RAM, 32 GB storage
Home Assistant Green is the most flexible automation platform in this roundup, and it arrives looking like nothing at all: a fanless slab with one Ethernet port, two USB sockets and Bluetooth, about the size of a coaster stack. There is no Wi-Fi on board, so it lives where a cable can reach. That shape is the buying decision. The radios you need for Zigbee, Z-Wave or Thread devices are USB adapters you choose and add yourself, which means you buy the hub once and the radios as your devices demand them.
We like that trade more than any single feature. Because it runs Home Assistant OS with 4 GB of RAM and 32 GB of storage, the box keeps your automations, history and dashboards on your own network, and it keeps running when a manufacturer's cloud has a bad night. Being official Nabu Casa hardware matters too: this is the version of the platform you can buy and get support for, rather than the one you assemble from a spare mini PC and a forum thread.
What it is not is an appliance. The first evening is configuration, not use, and the payoff only arrives when you ask it to do something no ecosystem would allow — a lamp that follows the sunset and your calendar, or a doorbell that pauses the TV. If you wanted an app and a wizard, this will feel like homework. If you have ever been told a device is not supported, it will feel like the first honest answer you have had.
Bottom line: We recommend Green to anyone who wants automations running locally and does not mind adding radios — the most flexible hub here, and the least appliance-like.