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HAS-H3 Fanless Home Assistant Server (Intel J4125, 4GB Ram, 128GB SSD)

Tested with Home Assistant
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Original price £199.99
Original price £199.99 - Original price £199.99
Original price £199.99
Current price £169.99
£169.99 - £169.99
Current price £169.99
Availability:
in stock, ready to be shipped

HAS-H3 is a fanless Home Assistant server pre-installed with Home Assistant Operating System, designed for reliable 24/7 smart home control. Powered by an Intel Celeron J4125 quad-core processor, with 4 GB DDR4 RAM and 128 GB SSD storage, it provides a stable and dedicated platform for managing automations, integrations, and local services.

Built on a compact industrial mini-PC platform, the HAS-H3 offers silent fanless operation, dual Gigabit Ethernet, multiple USB ports, and expansion options including mSATA and SATA. It supports both 2.4 GHz and 5 GHz Wi-Fi, as well as Bluetooth 4.0. Zigbee functionality can be added using a compatible USB or LAN coordinator. Home Assistant is pre-installed for convenience, but configuration and integration setup remain the responsibility of the user.

Key Features
  • Pre-installed Home Assistant Operating System
  • Intel Celeron J4125 quad-core processor
  • 4 GB DDR4 RAM
  • 128 GB SSD storage
  • Fanless design for silent operation
  • Dual Gigabit Ethernet ports
  • Supports 2.4 GHz and 5 GHz Wi-Fi
  • Bluetooth 4.0 support
  • Multiple USB ports for expansion
  • Expandable storage via mSATA and SATA
Use Cases

Dedicated Home Assistant server

Run Home Assistant OS on dedicated hardware for stable and local smart home management.

Multi-protocol smart home hub

Pair with USB or LAN Zigbee coordinators to manage Zigbee devices alongside Wi-Fi and other integrations.

24/7 automation controller

Use as a silent, always-on automation server for lighting, heating, energy monitoring, and security systems.

Expansion-ready smart home platform

Add storage, USB dongles, or serial devices using built-in expansion ports. Add Zigbee via the SONOFF Zigbee 3.0 USB Dongle.

What’s Included
  • HAS-H3 mini PC with Home Assistant pre-installed
  • 12 V 3 A UK power supply
Technical Specifications
Processor and Memory
Processor: Intel Celeron J4125

Cores / Threads: 4 / 4

Base frequency: 2.0 GHz

Burst frequency: Up to 2.7 GHz

Memory: 4 GB DDR4

Storage: 128 GB SSD
Operating System
Installed OS: Home Assistant Operating System (pre-installed)
Connectivity
Ethernet: 2 × Gigabit LAN

Wi-Fi: 2.4 GHz and 5 GHz

Bluetooth: 4.0

USB: 2 × USB 3.0, 2 × USB 2.0

RS232: 2 × COM ports

HDMI: 4K @ 30 Hz

VGA: 1080p @ 60 Hz

Audio: 3.5 mm jack
Expansion
Storage expansion: 1 × mSATA slot

SATA: 1 × SATA 3.0 (2.5 inch HDD/SSD support)
Power
Input: 12 V DC

Adapter: 12 V 3 A UK power supply included
Physical
Cooling: Fanless passive cooling

Form factor: Compact industrial mini PC
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