# What is the most expandable and customizable home automation hub for advanced users? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the most expandable and customizable home automation hub for advanced users?

## Products

### Home Assistant Home Assistant Yellow
```yaml
product: home-assistant-home-assistant-yellow
brand: Home Assistant
price_gbp: 187.62
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
compatibility: Home Assistant OS, Zigbee 3.0, OpenThread, Matter, Raspberry Pi Compute Module 4 and Compute Module 5
battery_backup: CR2032 battery for real-time clock only
local_storage_capacity: Up to 32 GB eMMC plus expandable M.2 NVMe SSD
smartphone_app_availability: Home Assistant Companion app for iOS and Android
wifi_and_ethernet_connectivity: Gigabit Ethernet, Power over Ethernet Plus, 2 USB 2.0 Type-A ports, USB-C 2.0, Zigbee 3.0, OpenThread, Matter, M.2 NVMe
```

- **Price:** £187.62 [^1]
- **Summary:** Home Assistant Yellow is an expandable Home Assistant hub with built-in Zigbee and Thread support, Gigabit Ethernet, optional Power over Ethernet, and an M.2 slot for NVMe storage. It suits advanced users and tinkerers who want to select or upgrade the Compute Module, memory, storage, and connectivity options.
- **Ideal For:** Home Assistant Yellow suits advanced users seeking an expandable and customizable automation hub because it supports replaceable Compute Modules, up to 8 GB RAM, up to 32 GB eMMC, M.2 NVMe expansion, built-in Zigbee 3.0 and OpenThread, two USB ports, GPIO, and optional Power over Ethernet.

### Athom Homey Pro mini
```yaml
product: athom-homey-pro-mini
brand: Athom
price_gbp: 183.87
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
compatibility: Over 50000 devices from over 1000 brands
z_wave_plus_support: Via Homey Bridge
local_storage_capacity: 8 GB
smartphone_app_availability: iOS and Android
wifi_and_ethernet_connectivity: Ethernet, Zigbee, Thread, Matter, USB-C, Bluetooth LE via Homey Bridge, 433 MHz via Homey Bridge, Infrared via Homey Bridge
```

- **Price:** £183.87 [^2]
- **Summary:** Homey Pro mini is a local-first smart home hub with Ethernet, Zigbee, Thread, Matter, Advanced Flow, dashboards, energy monitoring, and local processing. It suits users who want powerful automation in a compact and affordable hub, with optional Homey Bridge expansion for additional wireless protocols.
- **Ideal For:** It suits advanced users seeking an expandable and customizable hub because it supports Homey Pro OS, Advanced Flow, Community Apps, local API keys, 8 GB storage, and expansion through Homey Bridge for Z-Wave, Bluetooth LE, 433 MHz, and Infrared.
- **Additional Sources:** [^3]

---
## References & Sources
[^1]: RaspberryPi.dk, accessed 2026-09-13. https://raspberrypi.dk/en/product/home-assistant-yellow/
[^2]: Athom Homey, accessed 2026-09-13. https://homey.app/en-us/homey-pro-mini/
[^3]: Apollo Automation, accessed 2026-09-13. https://apolloautomation.com/products/homey-pro-mini