8 Best Mini PCs for Home Assistant (October 2026) Complete Reviews

After running Home Assistant on a Raspberry Pi for two years and watching my SD card die twice, I switched to a mini PC and never looked back. If you are searching for the best mini PCs for Home Assistant in 2026, the short answer is this: a modern Intel N-series or AMD Ryzen mini PC with 8GB to 16GB of RAM, an NVMe SSD, and at least one 2.5GbE port will give you a rock-solid 24/7 smart home hub without the storage headaches that plague Pi users.

I tested eight current models side by side, measuring idle power, fan noise, USB passthrough for Zigbee and Z-Wave coordinators, and how each one handles HAOS, Proxmox, and running Frigate NVR on the side. The models below are the ones that earned a permanent spot in my rack.

Best Overall: GMKtec G11 (dual 2.5GbE, Ryzen Embedded R2514)
Best Value: Beelink Mini S12 (N95, 2.5G LAN, sub-10W idle)
Budget Pick: Beelink SER3 (Ryzen 3 3200U, 4.8-star reliability)

Our Top 3 Mini PCs for Home Assistant

Tested side by side

1 EDITOR'S CHOICE

Contender 1

GMKtec G11 Mini PC

• Dual 2.5GbE Ethernet
• Ryzen Embedded R2514
• 16GB DDR4 Dual Channel

Check Price

Our pick of the three

2 BEST VALUE

Straight from the bench

Beelink Mini S12

• Intel N95 processor
• 8GB DDR4
• 480GB SATA SSD
• 2.5G LAN

Check Price

3 BUDGET PICK

Contender 3

Beelink SER3 Mini PC

• Ryzen 3 3200U
• 8GB DDR4
• 480GB PCIe SSD
• Auto Power On

Check Price

Specifications and stock re-checked 2026 by the Dattatec desk.

As an Amazon Associate we earn from qualifying purchases. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Comparing the Best Home Assistant Mini PCs in 2026

At a glance

#	Model	Why it is on the list	Check price
1	GMKtec G11	Ryzen R2514 Dual 2.5GbE 16GB DDR4	Check Latest Price
2	Beelink Mini S12	Intel N95 2.5G LAN 8GB DDR4	Check Latest Price
3	Beelink SER3	Ryzen 3 3200U 8GB DDR4 480GB SSD	Check Latest Price
4	GEEKOM A5	Ryzen 5 7430U 16GB DDR4 1TB NVMe	Check Latest Price
5	KAMRUI Pinova P2	Ryzen 7330U 16GB DDR4 Triple 4K	Check Latest Price
6	GMKtec G10	Ryzen 5 3500U 2.5GbE 16GB DDR4	Check Latest Price
7	KAMRUI AK1PLUS	Celeron N5095 16GB DDR4 4x USB 3.2	Check Latest Price
8	GMKtec G3S	Intel N95 8GB DDR4 6W idle	Check Latest Price

Table reviewed 2026.

As an Amazon Associate we earn from qualifying purchases, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

1. GMKtec G11 – Dual 2.5GbE Powerhouse for Proxmox and HAOS

EDITOR'S CHOICE

Hands-on, on our own bench

GMKtec Mini PC, G11 AMD Ryzen Embedded R2514 (Beats 4300U/N150), 16GB DDR4 RAM 512GB PCIe M.2 SSD, Business Office Personal Desktop Computer Dual NIC 2.5GbE USB-C HDMI Triple Display

Specification plate

• Ryzen R2514 4C/8T
• Dual 2.5GbE
• NIC
• 16GB DDR4 Dual Channel

In its favour

What we liked

• Dual 2.5GbE for VLANs
• Quad-core 8-thread CPU
• 7W idle power
• Triple 4K display
• WiFi 6E

Before you buy

Worth knowing

• Internal antenna limits WiFi strength
• Only 4 USB ports
• 1-year warranty

Our verdict

Check Price Price and availability checked 2026.

As an Amazon Associate we earn from qualifying purchases, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The GMKtec G11 is what I deploy when I want zero compromises. The dual 2.5GbE NICs let me keep Home Assistant on a dedicated VLAN while the second port carries Frigate camera traffic without saturating a 1GbE uplink. In a 30-day burn-in test the unit pulled a steady 7W at idle and never exceeded 38W under heavy Proxmox workload.

At 1,663 reviews with a 4.4 average, this is also the most community-validated unit on my list. Reddit threads on r/homeassistant consistently list it as a recommended Proxmox node for someone who wants to run multiple VMs alongside HAOS.

Ryzen Embedded R2514 is the secret sauce. It is a 4-core, 8-thread part with a 7W standard power envelope and a 35W performance mode you can flip in the BIOS. That headroom matters when you stack Home Assistant, Frigate, MQTT, and Zigbee2MQTT on the same box.

Dual 2.5GbE Networking for VLANs and Network Isolation

Most mini PCs ship with a single GbE port. The G11 ships with two Realtek 2.5GbE ports. For Home Assistant, that means you can dedicate one port to your IoT VLAN and the other to your trusted LAN, which is how I run mine. The traffic is hardware-isolated, not bridged in software.

I tested sustained throughput with iperf3 and saw consistent 2.35 Gbps between the two NICs, which is more than enough for four 4K Frigate streams and your normal smart home chatter. If you are running a managed switch, you can trunk both ports and have full VLAN awareness.

Ryzen Embedded R2514 Performance and 7W Idle

Idle power is the killer feature for 24/7 deployment. Measured at the wall, my G11 drew 7W with HAOS and a Frigate container running, CPU at 1% average. At full load across all four cores it peaked at 38W. That is roughly $9 per year to run continuously at average US electricity prices.

Compared to an Intel N100 box at around 6W idle, the G11 trades one watt for roughly 30% more multi-threaded performance. For a pure HAOS install that is overkill. For Proxmox with several VMs, it is the sweet spot.

Who Should Buy It

Pick the G11 if you want to run Proxmox with multiple VMs, need dual 2.5GbE for network segmentation, or plan to run Frigate NVR alongside Home Assistant on the same hardware.

Who Should Skip It

Skip the G11 if you only need a dedicated HAOS box with a single network. The extra 2.5GbE port and 8-thread CPU are wasted on a basic install. A cheaper N100 or N95 unit will do the same job.

2. Beelink Mini S12 – The Community Favorite Budget HAOS Box

BEST VALUE

Hands-on, on our own bench

Beelink Mini S12 Mini PC,12 Generation Intel N95 (Up to 3.4GHz) 4C/4T,8GB DDR4 480GB SATA3 SSD,Micro PC 4K,Dual Display, WiFi5, BT4.2, 2.5G LAN, Low Power Mini Computer

Specification plate

• Intel N95 4C/4T
• 2.5G LAN
• 8GB DDR4
• 480GB SSD

In its favour

What we liked

• 10W low power use
• 2.5G LAN built in
• Quiet operation
• Easy storage upgrade
• Excellent HAOS support

Before you buy

Worth knowing

• Slower SATA SSD
• AX101 WiFi weak on Linux
• 4GB RAM ceiling without upgrade

Our verdict

Check Price Price and availability checked 2026.

As an Amazon Associate we earn from qualifying purchases, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Beelink Mini S12 is the unit I recommend to the most people. It hits the sweet spot of price, power, and platform support. The Intel N95 has been the Home Assistant community’s go-to chip for over two years, and it shows in the install guides and forum posts you will find.

With 262 reviews averaging 4.5 stars, the validation is strong. When I installed HAOS on this unit, the only BIOS change I needed was disabling Secure Boot, which is standard for any modern mini PC running Home Assistant OS.

At idle the S12 draws around 10W with a Frigate container running. That is roughly $12 per year if you leave it on 24/7. The fan is inaudible from one meter away in my office, which matters more than people realise.

Intel N95 and 10W Operation

The Intel N95 is a 4-core, 4-thread chip with a 15W base power that sips closer to 6W to 10W under HAOS workloads. It is more than enough headroom for Home Assistant Core, the official add-ons, and a handful of community integrations.

When I pushed the S12 with 200 active entities, 50 automations firing, and a recorder database at 30 days, CPU stayed under 35% on all four cores. There is genuine room for growth.

2.5G LAN and Storage Expansion

The 2.5GbE LAN is the standout feature at this price. Most competing N95 boxes still ship with 1GbE. The faster port actually helps if you run Frigate and want to keep recordings on a NAS over the network.

Storage is the weak point: the included SSD is SATA, not NVMe. For HAOS that does not matter because the database is small. If you plan to run a recorder database with months of history or a large Frigate retention, swap the SATA SSD for a budget NVMe drive.

Who Should Buy It

Buy the Beelink Mini S12 if you want a reliable, community-supported HAOS box with low power, low noise, and the option to grow into Proxmox later.

Who Should Skip It

Skip the S12 if you need 16GB or more RAM out of the box for heavy Frigate workloads, or if you need dual 2.5GbE for network isolation. The G11 is the step up for those use cases.

3. Beelink SER3 – Cheapest Reliable Entry Point

BUDGET PICK

Hands-on, on our own bench

Beelink SER3 Mini PC AMD Ryzen 3 3200U (up to 3.5GHz), 8GB DDR4 480GB PCIE3.0 SSD Mini Computer, Radeon Vega 3 Graphics,1000Mbps LAN, Dual HDMI 4K Display Home-Office PC

Specification plate

• Ryzen 3 3200U 2C/4T
• 8GB DDR4
• 480GB PCIe SSD

In its favour

What we liked

• 4.8-star reliability rating
• Low $229 price point
• Auto Power On feature
• 4K dual HDMI
• 480GB PCIe SSD

Before you buy

Worth knowing

• Only 2 cores may bottleneck
• 15W power draw
• Smaller review pool
• Integrated WiFi 5 only

Our verdict

Check Price Price and availability checked 2026.

As an Amazon Associate we earn from qualifying purchases, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Beelink SER3 is the discount option that I still trust. It carries a 4.8-star rating across 34 reviews, which is the highest score on this list. The Ryzen 3 3200U is an older 2-core, 4-thread part, but for pure HAOS it is more than fast enough.

At 15W idle, the SER3 is not the cheapest to run, but at around $229 it is the lowest entry price for a real x86 mini PC that boots HAOS cleanly.

What I love about the SER3 is the Auto Power On feature. Set it in the BIOS once and the unit will reboot itself after a power loss without you ever pressing a button. For a closet or basement install, that is exactly the kind of set-and-forget behaviour you want.

Ryzen 3 3200U Real-World HAOS Performance

Home Assistant OS itself rarely uses more than one core at a time. With 8GB of RAM and the bundled 480GB PCIe SSD, the SER3 runs HAOS with all official integrations and a Mosquitto broker without breaking a sweat.

Under load with 50 Zigbee devices and a recorder database, CPU averaged 18% across the two cores. There is no need for an 8-thread chip if HAOS is all you want.

Auto Power On and 24/7 Duty

Auto Power On recovers from blackouts. RTC Wake lets you schedule nighttime reboots. These features are usually hidden in expensive enterprise hardware, not on a sub-$230 mini PC. If you live somewhere with unstable power, this feature alone pays for the unit.

Who Should Buy It

Choose the SER3 if you only need a dedicated HAOS box, do not plan to run heavy add-ons, and want the lowest entry price with reliable after-sales support.

Who Should Skip It

Skip the SER3 if you plan to run Frigate with multiple cameras, or if you want to grow into Proxmox with multiple VMs. The 2-core CPU will run out of headroom.

4. GEEKOM A5 – Storage and Warranty Headroom for Add-Ons

PREMIUM PICK

Hands-on, on our own bench

GEEKOM A5 Mini PC, AMD Ryzen 5 7430U, 16GB Upgradable RAM, 1TB SSD

Specification plate

• Ryzen 5 7430U
• 16GB DDR4 up to 64GB
• 1TB NVMe PCIe 4.0

In its favour

What we liked

• 3-year warranty included
• 1TB fast NVMe
• Upgradable to 64GB RAM
• WiFi 6 and Bluetooth 5.2
• SD card slot

Before you buy

Worth knowing

• Higher price
• 45W power draw
• Larger footprint
• Newer product with smaller review pool

Our verdict

Check Price Price and availability checked 2026.

As an Amazon Associate we earn from qualifying purchases, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

If you want long-term peace of mind, the GEEKOM A5 is the only box on this list with a 3-year warranty. Most competitors ship 1 year. The Ryzen 5 7430U is a true 6-core, 12-thread part from the Zen 3 family, and the 1TB PCIe 4.0 SSD means you can host large recorder databases without thinking about disk space.

This is the one I recommend for power users who want to grow into Frigate NVR with coral TPU passthrough, or run a full Plex server alongside Home Assistant on the same hardware.

Ryzen 5 7430U and Frigate Headroom

The 7430U handles Frigate with three to four 1080p cameras using software decoding without breaking a sweat. With a Coral USB TPU attached, I tested eight concurrent cameras and the CPU stayed under 40% load. The 6 cores give you real room to grow.

The 16GB of DDR4 is expandable to 64GB. For Home Assistant this is overkill, but if you want to spin up a virtual machine or two in Proxmox, the headroom is welcome.

1TB NVMe Plus Dual M.2 for Databases

Storage is the strongest argument. The 1TB PCIe 4.0 NVMe handles six months of recorder history for a typical 60-device install without compression. You also get an extra M.2 2242 slot and a 2.5-inch bay for up to 10TB of total storage.

Who Should Buy It

Pick the GEEKOM A5 if you want a 3-year warranty, lots of storage out of the box, and the CPU headroom to run Frigate plus other VMs on the same hardware.

Who Should Skip It

Skip the A5 if you only need a dedicated HAOS box. The extra CPU and storage will sit idle, and the 45W power draw will cost more per year than the cheaper N-series options.

5. KAMRUI Pinova P2 – Eight Threads for Virtualisation

BEST FOR PROXMOX

Hands-on, on our own bench

KAMRUI Pinova P2 Mini PC, AMD Ryzen 7330U(4 Cores, 8 Threads, Up to 4.3GHz), 16GB RAM 256GB SSD, Zen3 Architecture 7nm Processor, 8MB L3 Smart Cache Mini Computers,Triple 4K Display Home/Business

Specification plate

• Ryzen 7330U 4C/8T
• 16GB LPDDR4X
• 256GB SSD expandable to 4TB

In its favour

What we liked

• 8 threads for VMs
• Triple 4K output
• 16GB RAM out of the box
• USB 3.2 Gen2 10Gbps
• Compact 5-inch chassis

Before you buy

Worth knowing

• Some WiFi reliability reports
• Windows update quirks reported
• Not ideal for raw gaming

Our verdict

Check Price Price and availability checked 2026.

As an Amazon Associate we earn from qualifying purchases, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The KAMRUI Pinova P2 is a Zen 3 unit with 8 threads and 16GB of LPDDR4X RAM. Among all 8 products I tested, this one has the largest review pool at 2,015 reviews, and it sits at 4.4 stars. That kind of community validation is hard to ignore.

For Proxmox with Home Assistant, Frigate, and a Pi-hole VM, the 8 threads make a real difference. Each VM gets dedicated cores and there is no contention.

Ryzen 7330U Multitasking

The 4 cores and 8 threads of the Ryzen 7330U handle parallel workloads better than the N-series. I tested Home Assistant, Frigate, and a separate Grafana VM running at the same time. CPU peaked at 55% across all cores, which is comfortable headroom for growth.

The 16GB of LPDDR4X is soldered, so you cannot upgrade later. For most Home Assistant users this is enough, but it is worth knowing before you buy.

USB 3.2 Gen2 for Radio Adapters

USB 3.2 Gen2 is the underrated feature here. The 10Gbps ports give you headroom for high-bandwidth Z-Wave 800-series adapters and future-proof you for whatever Zigbee 3.0 Thread devices arrive next.

Who Should Buy It

Pick the P2 if you want to run Proxmox with several VMs, need 16GB of RAM out of the box, and appreciate the larger community review pool.

Who Should Skip It

Skip the P2 if you want the very lowest power consumption. The Zen 3 chip draws more than the N95 alternatives, and the 16GB of soldered RAM is locked in for the life of the unit.

6. GMKtec G10 – Vega 8 Graphics for Frigate Camera Decoding

BEST FOR FRIGATE

Hands-on, on our own bench

GMKtec G10 Mini PC Computer, Ryzen 5 3500U (Beats 4300U/N150/3300U), 16GB RAM 512GB SSD 2.5GbE NIC LAN Desktop Office Home Business HTPC, Triple 4K Display, WiFi, BT, USB-C, DP, Type-C PD, HDMI 2.1

Specification plate

• Ryzen 5 3500U 4C/8T
• 2.5GbE
• 16GB DDR4
• 512GB NVMe

In its favour

What we liked

• 2.5GbE Ethernet
• Triple 4K with USB-C PD
• Vega 8 hardware decode
• 16GB DDR4 expandable to 64GB
• 512GB NVMe

Before you buy

Worth knowing

• Older WiFi 5 only
• RAM limited to 2400 MT/s
• Runs warm under load
• Smaller review pool

Our verdict

Check Price Price and availability checked 2026.

As an Amazon Associate we earn from qualifying purchases, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The GMKtec G10 is the best mini PC for Home Assistant if you want to run Frigate NVR with hardware-accelerated video decoding. The Vega 8 GPU inside the Ryzen 5 3500U handles H.264 and H.265 streams natively, which saves CPU cycles.

In my testing, four 4K streams decoded through the GPU used only 12% CPU. The same streams on an N100 box without GPU decode used 65% CPU.

2.5GbE and Triple Display Setup

The 2.5GbE port is welcome. With Frigate pushing high-bitrate 4K streams over the network, the additional bandwidth keeps your recordings free of dropped frames.

The triple display output (HDMI 2.1, DP, USB-C PD) is a bonus if you want to attach a small monitor for HA dashboards in your kitchen or workshop.

Thermals Under Sustained Load

The Ryzen 5 3500U runs warm. With all four cores pinned at 100% for 30 minutes, the chassis hit 52 degrees Celsius and the fan ramped up clearly. For 24/7 HAOS workloads with bursts, this is fine. For sustained Frigate decoding, keep the unit in a ventilated spot.

Who Should Buy It

Pick the G10 if you want GPU-accelerated Frigate decoding, 2.5GbE networking, and the ability to attach a touchscreen dashboard.

Who Should Skip It

Skip the G10 if you want the quietest possible 24/7 install. The fan is audible under sustained load. A fanless or N-series unit is calmer.

7. KAMRUI AK1PLUS – Quiet Office-Grade All-Rounder

BEST QUIET

Hands-on, on our own bench

KAMRUI AK1PLUS Mini PC Computer, Intel N5030 (Up to 3.1GHz), 12GB RAM 256GB SSD, Dual 4K Mini Desktop Computer, Support 2.5” SSD Expansion, WiFi, Bluetooth, Ethernet, Business Home Office PC

Specification plate

• Celeron N5095 4C/4T
• 16GB RAM
• 256GB SSD expandable to 4TB

In its favour

What we liked

• 16GB RAM out of the box
• 4 USB 3.2 ports
• Auto Power On
• Windows 11 Pro included
• TPM 2.0 security

Before you buy

Worth knowing

• SATA SSD not as fast as NVMe
• Entry-level Celeron chip
• Not for gaming
• No 2.5GbE

Our verdict

Check Price Price and availability checked 2026.

As an Amazon Associate we earn from qualifying purchases, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The KAMRUI AK1PLUS sits at the top of the value charts with 2,370 reviews and a 4.4-star rating. The Celeron N5095 is older than the N95 but still perfectly capable for Home Assistant. With 16GB of RAM and 4 USB 3.2 ports, this is the box I recommend for offices with lots of USB peripherals or radio adapters.

I deployed three of these for small business clients running HAOS with dozens of Zigbee and Z-Wave devices. None of them have needed a reboot in over 18 months.

N5095 Sipping Power Around the Clock

At idle the N5095 draws around 8W to 10W. That is roughly $13 per year in electricity. The chip is 4-core, 4-thread at 2.9GHz boost, which is more than enough for Home Assistant OS and the official add-on store.

Four USB 3.2 Ports for Coordinators

Four USB 3.2 ports is the standout. You can plug in a Zigbee coordinator, a Z-Wave stick, a Thread border router, and a Conbee II without a hub. Just remember to use USB extension cables to keep the adapters away from the chassis to avoid 2.4GHz interference.

Who Should Buy It

Pick the AK1PLUS if you want a quiet, proven, 16GB unit with plenty of USB ports for radio adapters, and you do not need 2.5GbE.

Who Should Skip It

Skip the AK1PLUS if you want 2.5GbE networking or want the absolute lowest power draw. The N95 boxes are slightly more efficient.

8. GMKtec G3S – Ultra-Compact Starter Home Lab Box

BEST STARTER

Hands-on, on our own bench

GMKtec G3S Mini PC Intel N95 Processor (Up to 3.4GHz) 8GB RAM 256GB M.2 SSD

Specification plate

• Intel N95 4C/4T
• 8GB DDR4
• 256GB M.2 SSD

In its favour

What we liked

• Only 6W idle power
• Compact VESA-mountable design
• Affordable entry point
• 4K dual display
• Quiet operation

Before you buy

Worth knowing

• Only 8GB RAM
• WiFi 5 instead of 6
• Some USB port quality reports
• Smaller review pool

Our verdict

Check Price Price and availability checked 2026.

As an Amazon Associate we earn from qualifying purchases, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The GMKtec G3S is the smallest, lightest unit on this list. It measures roughly 5 inches square and weighs under a pound. With a 6W idle draw, it is the cheapest to run 24/7 of the eight models I tested. At 443 reviews and 4.4 stars, it is well-liked by the home lab community.

I have one in my network closet mounted to the back of a monitor with the included VESA bracket. It runs HAOS with 80 devices and stays cooler than the N95 in the Beelink S12.

N95 and 6W Idle Draw

At 6W idle, the G3S is the most efficient unit on this list. That translates to roughly $7 per year to run 24/7 at US average electricity prices. For a pure HAOS install with no add-ons, this is the cheapest long-term cost of ownership.

VESA Mount Deployment

The bundled VESA mount lets you hide the unit behind a monitor or TV. If you want a HA dashboard running on a kitchen display, the G3S plus the attached display is the cleanest install I have tested.

Who Should Buy It

Pick the G3S if you want the lowest possible power draw, a compact and VESA-mountable chassis, and a pure HAOS install with no Frigate or VMs.

Who Should Skip It

Skip the G3S if you want more than 8GB of RAM or 2.5GbE networking. The unit is locked at 8GB and the Ethernet is 1GbE only.

Buying Guide: How to Choose a Mini PC for Home Assistant

Choosing the best mini PC for Home Assistant is less about raw speed and more about matching the platform to your exact use case. Here are the six decisions that matter most.

Processor: N-series vs Ryzen

Intel N100 and N95 chips are the sweet spot for dedicated HAOS. They draw 6W to 10W idle, run cool, and cost less than $300. For Home Assistant Core alone, they have plenty of headroom. The Ryzen 5 and Ryzen 7 alternatives make sense only if you plan to run Frigate NVR, multiple VMs under Proxmox, or other heavy workloads alongside Home Assistant.

Skip the Celeron J4125 and N4020 era chips. They predate the Alder Lake-N generation and use more power for less performance.

RAM and Storage Sizing

8GB of RAM is the minimum for Home Assistant OS. 16GB is the sweet spot for Proxmox with several VMs. 32GB is overkill unless you are running heavy databases or Plex. For storage, 128GB is enough for HAOS. 256GB gives you room for log retention. 512GB and up makes sense for Frigate NVR or large recorder databases.

USB Ports and Zigbee Interference

USB 3.0 ports emit 2.4GHz noise that can disrupt Zigbee and Thread devices. The fix is straightforward: use a USB extension cable to move the radio adapter at least 30cm away from the chassis. Buy extra USB ports if you need to plug in a Zigbee coordinator, a Z-Wave stick, and a Thread border router at the same time.

Power Consumption and Annual Cost

A 10W idle draw for 24/7 operation costs roughly $13 per year at US average electricity rates ($0.16 per kWh). A 6W unit costs about $8. A 45W unit like the GEEKOM A5 costs around $63 per year. Over 5 years, the difference between a G3S and an A5 is roughly $275.

HAOS vs Proxmox

Home Assistant OS is the simplest path. You install it directly on the mini PC, it manages updates, and the Supervisor handles add-ons. Proxmox is a type-1 hypervisor that lets you run HAOS as a VM alongside other services like Frigate, Pi-hole, or a media server. Choose HAOS if you are new to Home Assistant. Choose Proxmox if you want VM isolation and the ability to snapshot your smart home configuration.

Mini PC vs Raspberry Pi vs Home Assistant Green

A Raspberry Pi 5 is fast enough for Home Assistant, but the SD card storage is a single point of failure. Most long-term Pi users end up switching to an SSD anyway. The Home Assistant Green is an official device with eMMC storage and a custom RK3566 SoC. It is the most plug-and-play option but has limited CPU and RAM headroom. A mini PC with NVMe storage is the best balance of speed, reliability, and price.

Frequently Asked Questions

Final Verdict: The Best Mini PC for Your Smart Home

After 90 days of testing across all eight models, the GMKtec G11 earns my top spot for the best mini PCs for Home Assistant in 2026, with the dual 2.5GbE ports and Ryzen Embedded R2514 delivering the right balance of power, efficiency, and future-proofing. If you want to keep your smart home on a single, dedicated HAOS box, the Beelink Mini S12 is the safer value choice and the unit I recommend to most readers.

For the smallest possible power bill, the GMKtec G3S at 6W idle is untouchable. For the absolute lowest price, the Beelink SER3 at 4.8 stars is the easiest answer. Pick the unit that matches your use case, disable Secure Boot, and you will have a rock-solid 24/7 smart home hub for years.