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Home Assistant Green

A small box that runs Home Assistant and nothing else, for a house where nothing runs it yet. Add a radio above for the sensors.

By Nabu Casa. Specs read from the maker on .

Price and stock: Maker product page (where to buy)

What the maker states
ProcessorRockchip RK3566, quad-core Arm Cortex-A55 at 1.8 GHz
Memory and storage4 GB LPDDR4X, 32 GB eMMC
PortsGigabit Ethernet, 2 USB 2.0 Type-A, HDMI for diagnostics only
Power12 V DC 1 A barrel; about 1.7 W idle, 3 W under load
Built-in Zigbee, Thread or Z-WaveNone; add a USB radio such as Connect ZBT-2 or ZWA-2
Size4.41 x 4.41 x 1.26 in, 12 oz
Warranty lengthNot stated by the maker

"Not stated by the maker" means the maker's pages do not say; this shelf leaves it blank rather than guess.

Know before you buy

Plug and play per the maker. Warranty length is not stated on the page.

Where each spec was read

  1. Maker: Home Assistant Green product page and hardware specifications read 2026-10-27

Read first

Every store link on this shelf goes to the maker's own page unless a note beside it says it is an affiliate link. The guides on sensor.house name no brand; only these shelf pages do. No maker pays for placement.

Notes drafted with a language model from the maker's pages and checked against them. Product information, not electrical or plumbing advice: a licensed electrician or plumber and your local code decide what is safe in your house.

Found an error? See Corrections.

Home Assistant Green | Sensor House