Fanless Firewall Mini PC 4X 2.5GbE i226 Intel N100 - Silent Soft

Our review of the Fanless Firewall Mini PC finds it aimed squarely at small offices, lab environments and advanced home labs that need a quiet, compact appliance for routing and firewall duties. The single biggest reason to consider this unit is its combination of an Intel N100 CPU with four native i226 Gigabit Ethernet ports, which makes it unusually capable for soft routing and open-source firewall distributions while remaining fanless and energy efficient. It is a practical choice for anyone who needs stable multi-port networking without the size, noise or power draw of a rack server.

Key Features

• Intel N100 CPU: Offers four cores and up to 3.40GHz burst for responsive packet processing and virtualization tasks thanks to VT-x support.
• 4x i226 Intel Ethernet ports: Four native Gigabit LAN ports provide stable, separate network interfaces for WAN, LAN and multiple VLANs or fused firewall roles.
• Compact fanless design: Aluminum shell dissipates heat silently, enabling 24/7 operation in noise-sensitive locations while keeping power use low.
• 8GB DDR4 and 128GB M.2 SSD: Comes configured for common firewall and hypervisor needs with expandable memory and up to 4TB storage support on the M.2 slot.
• Rich I/O: Two RS232 COM ports, two HDMI, multiple USB3.0/USB2.0 and a 12V DC input give flexibility for console access, displays and peripherals.
• Firmware and OS compatibility: Tested with pfSense, Ubuntu and other open-source firewall systems for straightforward software deployment.

Who It's For

This mini PC is well suited to small business IT teams, home network enthusiasts and lab users who want a dedicated hardware gateway that supports popular open-source firewall distributions. The four Intel i226 ports and VT-x support make it attractive for users who plan to run virtual machines, containerized services or segregated network segments on a single compact box.

It is less appropriate for users who need 10GbE switching, hot-swappable drives, or heavy CPU-bound workloads beyond lightweight virtualization-this device is optimized for low power routing and firewall duties rather than as a general-purpose desktop replacement.

Pros & Cons

Pros

• Fanless, quiet operation keeps noise and dust intake to a minimum for always-on network roles.
• Four native Intel i226 Gigabit ports deliver reliable network throughput and compatibility with soft routing software.
• Good out-of-box memory and storage with room to expand to meet firewall or hypervisor needs.
• Wide I/O selection including COM ports and dual HDMI for flexible deployment and management.

Cons

• Aluminum shell can run warm under sustained load (up to reported higher operating temperatures); cooling is passive only.
• No internal 3.5 in HDD support, so bulk storage requires M.2 SSDs up to 4TB.

Specifications

CPU	Intel N100 up to 3.40GHz, 4 cores, VT-x support
Ethernet	4x Intel i226 Gigabit LAN ports
Memory	8GB DDR4 SO-DIMM (1 slot, upgradable to 16GB)
Storage	128GB M.2 2280 SATA SSD (supports up to 4TB)
I/O	2x HDMI, 2x RS232 COM, 2x USB3.0, 4x USB2.0, 1x 12V5A DC
Design	Fanless aluminum shell, compact: 16 x 13 x 4.8 cm, weight 960 g
Extras	Supports Auto Power On, Apo and Wake-on-LAN; VESA bracket included

Our Verdict

The Fanless Firewall Mini PC is a practical, value-focused network appliance for small offices and advanced home labs that need four native Intel Gigabit ports and quiet, low-power operation. It delivers solid compatibility with open-source firewall OSes and useful I/O for console access and displays. Buy it if you need a compact, always-on gateway; look elsewhere if you require higher-speed interfaces or heavy CPU work beyond lightweight virtualization.

Frequently Asked Questions

Can I run pfSense or other firewall distributions?
Yes, the unit has been tested with pfSense and Linux distributions; the Intel N100 and i226 ports are compatible with common open-source firewall software.

Is the unit noisy and suitable for 24/7 use?
Yes, it is fanless and designed for silent 24/7 operation, though the aluminum shell can feel warm under continuous load.

Can I expand RAM and storage?
Memory uses one SO-DIMM slot upgradable to 16GB, and the M.2 slot supports larger SSDs up to 4TB; there is no 3.5 in HDD bay.