BOSGAME E5 Mini PC Ryzen 3 5300U, 16GB DDR4 512GB NVMe SSD
4.6Editor score
Ryzen 3 5300U Processor
Dual 2.5G LAN Ports
Expandable Up to 64GB RAM
In this guide
Finding the right hardware for your firewall needs is crucial for maintaining a secure and efficient network. A dedicated Mini PC for Opnsense offers the perfect balance of power, silence, and low energy consumption for home labs and small offices.
We evaluated ten distinct models focusing on processor speed, network interface quality, and expandability. Each unit was assessed for compatibility with network operating systems and overall build quality to ensure reliable 24-7 operation.
Every selection highlights specific strengths and potential trade-offs to match different user requirements. Please note that availability and pricing fluctuate frequently, so verify current stock before making your final purchase decision.
Top 3 Picks for Best Mini PC for Opnsense
MeLE Quieter DL Fanless Mini PC N150 16GB 512GB Dual Intel I226V 2.5GbE LAN
5.0Editor score
Fanless Silent Design
Dual Intel 2.5GbE Ports
Triple 4K Display Support
N150 Mini PC Firewall (N100 Upgrade), 6 x 2.5GbE i226V LAN Fanless OPNsense Desktop Computer
4.3Editor score
Six 2.5GbE i226V LAN Ports
Fanless Aluminum Design
DDR5 RAM and NVMe Storage
Top 10 Best Mini PC for Opnsense in 2026 Compared
The following table provides a detailed side-by-side comparison of all ten selected Mini PC for Opnsense units. It highlights critical specifications such as processor type, memory capacity, storage options, and network port configurations to help you make an informed choice.
ProductsSpecificationsEditor scorePrice
Best Budget
BOSGAME E5 Mini PC Ryzen 3 5300U
Ryzen 3 5300U CPU
16GB DDR4 Memory
Dual 2.5GbE LAN
Triple 4K Display
4.6Editor score
Editor's Choice
N150 Mini PC Firewall (N100 Upgrade)
N150 Twin Lake CPU
8GB DDR5 Memory
Six 2.5GbE LAN
Triple Display Output
4.3Editor score
Best Premium
BOSGAME E5 Mini pc, Ryzen 5300U
Ryzen 3 5300U CPU
8GB DDR4 Memory
Dual 2.5GbE LAN
Triple 4K Display
4.6Editor score
MeLE Quieter DL Fanless Mini PC N150 16GB 512GB Dual Intel I226V 2.5GbE LAN
N150 Processor
16GB DDR4 Memory
Dual Intel 2.5GbE LAN
Fanless Silent Cooling
5.0Editor score
C4 Plus Dual LAN Mini PC Ryzen 5 3501U
Ryzen 5 3501U CPU
8GB DDR4 Memory
Dual 1GbE LAN
Triple Display Options
4.5Editor score
Fanless Mini PC, Industrial PC, Mini Computer Dual Core N2840
Celeron N2840 CPU
8GB DDR3L Memory
Dual 1GbE LAN
Fanless Industrial Design
3.7Editor score
Firewall, Intelligent Soft Routing Micro Appliance/Fanless Mini PC
Celeron N2840 CPU
4GB DDR3L Memory
Dual 1GbE LAN
Fanless Passive Cooling
4.4Editor score
Mini PC N150 Firewall Hardware Inter 82599ES 2 x 10GbE SFP+, 3 x i226V 2.5GbE LAN
N150 Processor
DDR5 RAM Support
Two 10GbE + Three 2.5GbE LAN
High Performance Networking
3.8Editor score
MeLE Quieter DL Fanless Mini PC N150 8GB 256GB Dual Intel I226-V 2.5GbE LAN
N150 Processor
8GB DDR4 Memory
Dual Intel 2.5GbE LAN
Fanless Silent Operation
5.0Editor score
ASRock DeskMini X300 2.5G Series 1.92L Mini PC Barebone Kit
AMD AM4 Socket
Up to 128GB RAM
One 2.5GbE LAN
Barebone System
4.3Editor score
1. MeLE Quieter DL – Best Overall Mini PC for Opnsense
MeLE Quieter DL Fanless Mini PC N150 16GB 512GB Dual Intel I226V 2.5GbE LAN
N150 Dual Core Processor
16GB DDR4 Memory
Dual Intel 2.5GbE LAN
Fanless Silent Thermal Design
The MeLE Quieter DL stands out as a premium solution for those prioritizing silence and efficiency. With a perfect 5.0 rating, this fanless unit is designed to run silently in any environment, making it ideal for bedrooms or offices.
Pros
- Completely Silent Operation
- Native Intel Network Drivers
- Energy Efficient Power Usage
- Supports Triple 4K Displays
- Excellent Build Quality
Cons
- Higher Initial Cost
- Limited Storage Slots
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Its dual Intel I226-V 2.5GbE ports ensure native driver support for Opnsense without requiring complex module installations. The 16GB of DDR4 RAM allows for multiple virtual machines, while the 512GB NVMe SSD provides ample space for logs and configurations.
While the price is higher than entry-level options, the elimination of moving parts ensures long-term reliability. The 0dB noise level is a significant advantage for users who cannot tolerate fan noise from traditional appliances.
This model is perfect for enthusiasts and professionals needing a reliable, quiet home server. Its energy efficiency and robust networking make it the top recommendation for a dedicated Opnsense appliance in 2026.
Silent Performance for Any Location
The fanless design ensures absolute silence, making it suitable for living rooms or quiet offices without noise disturbance.
Robust Networking Capabilities
Native Intel 2.5GbE controllers offer reliable performance and full feature support for advanced firewall configurations.
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2. BOSGAME E5 – Best Budget Mini PC for Opnsense
BOSGAME E5 Mini PC Ryzen 3 5300U, 16GB DDR4 512GB NVMe SSD
Ryzen 3 5300U CPU
16GB DDR4 Memory
Dual 2.5GbE LAN Ports
Expandable Up to 64GB
The BOSGAME E5 offers an exceptional balance of performance and cost. Rated 4.6 stars, it features a powerful Ryzen 3 5300U processor that handles routing tasks efficiently while keeping power consumption low.
Pros
- Great Value for Money
- Dual 2.5G Ethernet Ports
- High Memory Capacity
- Supports Triple 4K Displays
- Quiet and Efficient
Cons
- Realtek Network Drivers Needed
- Active Cooling System
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With dual 2.5GbE LAN ports, it supports high-speed network segmentation and throughput. The 16GB RAM is generous for a budget unit, allowing room for future upgrades up to 64GB if your needs grow.
Although it uses Realtek controllers which may require manual driver configuration in Opnsense, the performance gain is worth the effort. The active cooling fan ensures the system stays cool under load.
This unit is the best budget choice for home labs needing multi-Gigabit speeds without breaking the bank. It delivers professional networking features at a consumer price point.
Cost Effective High Performance
Delivering 2.5G speeds and strong processing power at a very competitive price point for budget-conscious buyers.
Expandability Options
Dual SODIMM slots and an extra M.2 slot allow for significant memory and storage upgrades over time.
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3. N150 Mini PC Firewall – Best Premium Mini PC for Opnsense
N150 Mini PC Firewall (N100 Upgrade), 6 x 2.5GbE i226V LAN Fanless OPNsense Desktop Computer
N150 Twin Lake Processor
8GB DDR5 RAM
Six 2.5GbE LAN Ports
DDR5 and NVMe Storage
The N150 Mini PC Firewall is a powerhouse designed for advanced network setups. With six dedicated 2.5GbE ports, it offers unparalleled connectivity for complex VLANs and network segmentation.
Pros
- Six Network Ports
- Fanless Aluminum Build
- Modern DDR5 Memory
- Triple Display Support
- AES-NI Acceleration
Cons
- Expensive Price Point
- Limited Base Memory
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The Intel N150 processor supports AES-NI instructions, significantly boosting encryption performance for secure VPNs. The DDR5 RAM ensures future-proofing, while the fanless design keeps it whisper quiet.
While the price is high, the specialized hardware features justify the cost for professional users. It provides a complete appliance experience right out of the box with excellent build quality.
This is the top choice for power users who need maximum port density and performance. It represents the pinnacle of consumer-grade firewall appliances available today.
Unmatched Network Connectivity
Six 2.5GbE ports allow for intricate network topologies without needing external switches or hubs.
Encryption Performance
Hardware AES-NI support ensures high throughput even when using strong encryption protocols for secure traffic.
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4. BOSGAME E5 Mini PC – Best Budget Mini PC for Opnsense
BOSGAME E5 Mini pc, Ryzen 5300U
Ryzen 3 5300U CPU
8GB DDR4 Memory
Dual 2.5GbE LAN Ports
256GB SSD Storage
The BOSGAME E5 Mini PC offers a highly affordable entry point into dual network port setups. Rated 4.6 stars, it shares the same core architecture as its higher-spec sibling but with reduced memory and storage.
Pros
- Very Affordable Price
- Dual 2.5G LAN Ports
- Quick Boot Times
- Quiet Operation
- Triple 4K Display
Cons
- Lower Base Memory
- Smaller SSD Included
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Despite the lower base configuration, the Ryzen 3 processor handles Opnsense tasks comfortably. The dual 2.5GbE ports remain a standout feature for its price range, supporting fast network speeds.
Users may need to upgrade RAM if they plan to run multiple virtual machines. However, the upgrade path is clear and supports up to 64GB for future needs.
This model is ideal for those seeking core features without extra cost. It provides excellent value for basic firewall duties in home networks.
Budget Friendly Networking
Offering dual 2.5G ports at a very accessible price point for home users.
Efficient Performance
The Ryzen 3 processor ensures smooth operation for standard firewall and routing tasks.
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5. MeLE Quieter DL (8GB) – Best Budget Mini PC for Opnsense
MeLE Quieter DL Fanless Mini PC N150 8GB 256GB Dual Intel I226-V 2.5GbE LAN
N150 Processor
8GB DDR4 Memory
Dual Intel 2.5GbE LAN
Fanless Silent Design
The MeLE Quieter DL with 8GB RAM is a fantastic option for quiet, efficient networking. With a 5.0 rating, it delivers reliable performance for daily routing tasks without any noise.
Pros
- Perfect 5.0 Rating
- Silent Fanless Operation
- Native Intel Drivers
- Triple Display Support
- Low Power Consumption
Cons
- Lower Base RAM
- Smaller SSD Included
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The dual Intel I226-V ports ensure full compatibility with Opnsense features. Its compact size and silent design make it perfect for discreet installation in home offices.
While 8GB is sufficient for most firewall setups, it is expandable for more demanding workloads. The fanless design ensures dust resistance and long-term durability.
This model offers the best balance of silence and performance. It is highly recommended for users needing a discreet and reliable appliance.
Perfect Silent Operation
Experience absolute silence with a fanless design that eliminates dust intake and moving parts.
Reliable Hardware
Intel networking ports provide robust support for secure and stable network traffic management.
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6. Origimagic C4 Plus – Best Budget Mini PC for Opnsense
C4 Plus Dual LAN Mini PC Ryzen 5 3501U
Ryzen 5 3501U CPU
8GB DDR4 Memory
Dual 1GbE LAN Ports
Triple Display Support
The Origimagic C4 Plus brings strong AMD performance to budget network appliances. With a Ryzen 5 3501U, it handles general computing tasks well alongside network routing.
Pros
- Strong Ryzen CPU
- Very Affordable Price
- High Port Variety
- Expandable Storage
- Reliable After Sales
Cons
- Only Gigabit LAN
- Wi-Fi 5 Only
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While it uses standard 1GbE ports, the performance is adequate for most home users. The variety of USB and video ports adds versatility beyond simple networking functions.
Users should note that it lacks 2.5GbE speeds. However, the cost efficiency and solid build make it a viable choice for basic firewall roles.
This unit is suitable for those prioritizing general PC use alongside firewall duties. It offers a great value proposition for entry-level networking needs.
Versatile Usage
Suitable for both general desktop work and dedicated network appliance functions.
Cost Effective Solution
Provides solid performance and connectivity at one of the lowest prices in the category.
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7. Fanless Industrial Mini PC – Best Budget Mini PC for Opnsense
Fanless Mini PC, Industrial PC, Mini Computer Dual Core N2840
Celeron N2840 CPU
8GB DDR3L Memory
Dual 1GbE LAN
Fanless Industrial Design
This industrial Mini PC offers rugged durability and silent operation. While the Celeron N2840 is older, it is sufficient for basic routing tasks in low traffic environments.
Pros
- Durable Industrial Build
- Fanless Design
- Multiple COM Ports
- Very Low Power
- Budget Friendly
Cons
- Older Processor
- Limited Performance
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The fanless design ensures reliability in dusty conditions. Its COM ports add utility for legacy hardware integration, making it unique in the consumer space.
Performance is not as high as modern options. However, for specialized industrial or low-power setups, it remains a solid and affordable choice.
This model is best for niche applications where durability is key. It provides a functional solution for basic network monitoring.
Industrial Durability
Built to withstand demanding environments with a robust fanless chassis.
Legacy Connectivity
Multiple serial ports allow for unique integration with older industrial or networking equipment.
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8. Intelligent Soft Routing Appliance – Best Budget Mini PC for Opnsense
Firewall, Intelligent Soft Routing Micro Appliance/Fanless Mini PC
Celeron N2840 CPU
4GB DDR3L Memory
Dual 1GbE LAN
Fanless Cooling
This appliance is designed for simple routing needs. With 4GB of RAM and a fanless build, it offers silent operation for basic firewall requirements.
Pros
- Fanless Design
- Basic Routing Tasks
- Low Power Usage
- Simple Setup
- Affordable
Cons
- Low Memory
- Older Processor
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The hardware is modest but adequate for home setups with low bandwidth. Its compact size makes it easy to hide away from view.
Performance may struggle under heavy load. However, for users needing a low-cost solution for traffic filtering, it serves the purpose well.
This is a functional entry-level choice. It delivers reliability for basic network protection tasks.
Simple Network Security
Provides essential routing and firewall capabilities for standard home internet connections.
Silent Operation
Passive cooling ensures no noise interference in quiet living or working spaces.
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9. N150 Firewall Hardware – Best Premium Mini PC for Opnsense
Mini PC N150 Firewall Hardware Inter 82599ES 2 x 10GbE SFP+, 3 x i226V 2.5GbE LAN
N150 Processor
Two 10GbE + Three 2.5GbE LAN
No RAM or SSD Included
AES-NI Support
This model provides high-speed network interfaces for advanced users. The two 10GbE SFP+ ports allow for multi-gigabit throughput in complex environments.
Pros
- High Speed SFP+ Ports
- Five Network Ports
- N150 Efficiency
- AES-NI Support
- Future Proof Networking
Cons
- No RAM or SSD Included
- Complex Setup Required
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Because it lacks RAM and storage, users must provide their own components. This makes the final cost higher but allows for custom specifications.
It is a specialized tool for serious network enthusiasts. The hardware support ensures top-tier performance for professional labs.
This unit is best for those wanting maximum flexibility. It offers a robust foundation for high-performance routing.
High Performance Networking
Ten-gigabit ports enable professional-level bandwidth for advanced network configurations.
Customizable Components
By providing your own memory and storage, you can tailor the device to exact specifications.
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10. ASRock DeskMini X300 – Best Budget Mini PC for Opnsense
ASRock DeskMini X300 2.5G Series 1.92L Mini PC Barebone Kit
AMD AM4 Platform
Up to 128GB RAM
One 2.5GbE LAN
Triple Display Support
The ASRock DeskMini X300 is a barebone kit for those who want total control. It supports a wide range of Ryzen CPUs allowing for significant performance scaling.
Pros
- Highly Customizable
- Supports Powerful CPUs
- Large RAM Capacity
- Dual M.2 Slots
- Compact Design
Cons
- Requires Component Installation
- Single 2.5G Port
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Its single 2.5GbE port is sufficient for many users. The board supports up to 128GB RAM, making it extremely versatile for virtualization tasks.
While it requires assembly, the flexibility is unmatched. You can build a system that fits your specific needs exactly.
This model is ideal for DIY enthusiasts. It offers a powerful and adaptable foundation for custom firewall setups.
Total Control
Build your system with the exact CPU and memory to suit your performance needs.
Scalable Performance
Support for higher-end processors allows for complex virtual machines and heavy routing loads.
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Buying Guide – How to Choose the Best Mini PC for Opnsense
Selecting the right Mini PC for Opnsense requires careful consideration of hardware components. This guide breaks down the critical factors you need to evaluate before buying.
Network Port Speed and Type
Look for dual 2.5GbE ports for future-proofing. Most modern units offer Realtek or Intel controllers. Intel controllers provide better native support in Opnsense.
Processor Performance
Choose a quad-core processor for multitasking. Intel N150 or AMD Ryzen chips offer good efficiency. AES-NI support is vital for secure VPNs.
Memory and Storage Capacity
Minimum 8GB RAM is recommended for smooth operation. SSD storage ensures quick boot times. Upgradability is a plus for future expansion needs.
Cooling System
Fanless units are silent and dust resistant. Active cooling handles higher thermal loads. Choose based on your noise tolerance.
Power Consumption
Low TDP devices save electricity. Opnsense appliances run 24/7. Efficiency reduces long-term running costs.
Physical Form Factor
Small size helps save desk space. VESA mount options offer flexible placement. Check dimensions against your rack space.
Operating System Compatibility
Ensure BIOS supports Opnsense boot. Check for specific driver issues. Most hardware works well with standard Linux distributions.
Warranty and Support
A solid warranty protects your investment. Good support is available for issues. Choose brands with a track record of reliability.
How to Use and Care for Your Mini PC for Opnsense
First ensure the Mini PC is connected to a reliable power source and properly grounded. Install Opnsense from an ISO image on a USB drive and boot into the system to begin setup. Configure the network interfaces during the initial wizard to connect the device to your internet and local networks.
Regularly update the Opnsense software to maintain security. Monitor system logs for any errors. Ensure adequate ventilation around the unit to prevent overheating.
Backup your configuration frequently using the built-in export tool. This protects your settings in case of a hardware failure. Clearing cache and temporary files periodically helps maintain performance.
Frequently Asked Questions
Do I need a specific type of Mini PC for Opnsense?
While Opnsense runs on many hardware configurations, a Mini PC for Opnsense is ideal because it is compact, energy efficient, and silent. A minimum of dual network ports is required for it to function as a gateway.
Is Intel or Realtek networking better for Opnsense?
Intel controllers generally offer better native support and stability in Opnsense. Realtek drivers work but may require manual configuration. For a smooth experience, prefer Intel ports if available.
Can I run virtual machines alongside Opnsense?
Yes, if the hardware is powerful enough. A Mini PC with sufficient RAM and a fast processor can run lightweight VMs alongside your firewall. Proxmox VE is a popular choice for this.
Does Opnsense support 2.5GbE network cards?
Yes, most modern 2.5GbE cards are supported. Ensure the drivers are included in the version you install. Opnsense continues to improve support for newer network standards.
What is the best fanless Mini PC for Opnsense?
Fanless models like the MeLE Quieter DL are highly recommended for silent operation. They eliminate moving parts which reduces failure points. This is ideal for bedroom or office environments.
How much RAM is enough for Opnsense?
For most home users 8GB is sufficient. If you plan to run multiple plugins or virtual machines, 16GB is recommended. Higher RAM helps manage traffic spikes efficiently.
Can I use this Mini PC as a media server?
Yes many of these units support multiple displays and have enough power for media tasks. Running both as firewall and media server is possible with careful resource allocation.
What happens if my Mini PC fails?
If the hardware fails you should have a backup configuration file. You can restore this file to a replacement device. This allows for quick recovery of your firewall settings.
Final Thoughts on Choosing the Best Mini PC for Opnsense
Choosing the right Mini PC for Opnsense depends on your specific needs. The MeLE Quieter DL offers the best balance of silence and performance for most users. For budget buyers the BOSGAME E5 provides excellent value.
Consider your networking requirements carefully. Higher speeds and more ports allow for advanced configurations. Energy efficiency is crucial for 24/7 appliances running continuously.
Always check current availability and pricing before buying. Technology moves fast so new models appear frequently. Use this guide to find the hardware that fits your network best.