Best UDPTCP Mini PCs: 7 Models Compared
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This guide compares 7 of the best UDPTCP mini PCs to help you find the right hardware for networking or industrial tasks. UDPTCP offers compact, fanless, and barebone units designed for firewalls, routing, and low-power Linux systems. The top pick is the UDPTCP Fanless Industrial Mini PC, which leads due to its silent operation, dual Gigabit LAN ports, and legacy COM interfaces for industrial control. These rankings are based strictly on the specifications published on the listings. You can review the detailed specs for each model below to see which fits your specific network requirements.
Quick picks
Our 7 picks
UDPTCP Fanless Industrial Mini PC
Best for: low-power Linux networking and industrial control
- Processor
- Celeron N2840
- Installed RAM
- No RAM
- Storage Capacity
- No SSD
- Memory Type
- DDR3L 1333MHz
- Graphics
- UHD Graphics
- Ethernet Ports
- 2x 1000M
This industrial fanless mini PC runs on an Intel Celeron N2840 dual-core processor with a 7.5-watt TDP. It features dual Gigabit Ethernet ports, two RS232 COM ports, and dual display support through HDMI and VGA. The base barebone configuration requires you to provide your own DDR3L memory and mSATA or SATA storage. It suits you if you need a low-power Linux network appliance or dedicated serial controller.
Pros
- Dual Gigabit Ethernet ports
- Two RS232 COM ports for industrial hardware
- Dual display output via HDMI and VGA
- Six USB ports (one USB 3.0 and five USB 2.0)
- Low 7.5W TDP fanless thermal design
Cons
- Base configuration ships without RAM or storage
- Relies on older DDR3L memory rather than DDR4 or DDR5
- Networking capped at 1GbE rather than 2.5GbE
Good fit if
- You need a fanless machine for Linux, OPNsense, or OpenWrt networking.
- You require dual RS232 serial ports for industrial equipment.
- You plan to install your own DDR3L SO-DIMM and mSATA drive.
Skip if
- You need high-bandwidth 2.5GbE or 10GbE network ports.
- You want a fully assembled system with memory and storage included.
Verdict: UDPTCP Fanless Industrial Celeron N2840 Mini PC delivers silent, low-power operation with dual Gigabit LAN and legacy COM ports. It provides a solid barebone hardware base for lightweight Linux routing and industrial control tasks.
UDPTCP N150 Dual 10GbE SFP+ Firewall Mini PC
Best for: dual 10GbE SFP+ firewall and routing setups
- Processor
- N150
- Memory Type
- DDR5 4800MHz
- Graphics
- UHD Graphics
- Ethernet Ports
- 2x 10GbE SFP+, 3x 2.5GbE
- Use
- Firewall
- Networking
- 2.5G LAN
View on Amazon: UDPTCP N150 Dual 10GbE SFP+ Firewall Mini PC
This UDPTCP firewall appliance runs on a quad-core Intel N150 processor with a 6W TDP. It features two 10GbE SFP+ ports alongside three 2.5GbE LAN ports, giving you fast network routing capabilities. Inside, you find a single DDR5 SO-DIMM slot and an M.2 2280 NVMe PCIe 3.0 x1 slot. This unit suits you if you need high-speed SFP+ fiber connectivity alongside multi-gigabit Ethernet for OPNsense, Linux, or OpenWrt routing.
Pros
- Two 10GbE SFP+ cages and three 2.5GbE i226-V LAN ports
- Energy-efficient Intel N150 quad-core processor with 6W TDP
- Single DDR5 SO-DIMM slot supporting up to 5600MHz
- Dual display output supporting 4K resolution at 60Hz
Cons
- M.2 NVMe storage slot runs at PCIe 3.0 x1 bandwidth
- Single RAM slot does not support dual-channel memory
- Base hardware configuration includes no RAM or SSD
Good fit if
- You need dual 10GbE SFP+ ports for high-speed local networking.
- You run firewall operating systems like OPNsense or OpenWrt on low-power hardware.
- You want multiple 2.5GbE Ethernet interfaces alongside optical cages.
Skip if
- You need full PCIe 3.0 x4 or PCIe 4.0 SSD transfer speeds.
- You require dual-channel memory configurations for memory-heavy virtualization.
Verdict: UDPTCP N150 Dual 10GbE SFP+ Firewall Mini PC provides a capable low-power routing platform with flexible multi-gigabit and 10GbE network interfaces. It delivers efficient throughput for dedicated firewall operating systems in compact network environments.
UDPTCP Core i3 6-Port 2.5GbE Firewall Mini PC
Best for: high-throughput multi-port 2.5GbE routing and virtualization
- Processor
- Intel Core i3-1215U
- Installed RAM
- Barebone
- Storage Capacity
- Barebone
- Memory Type
- DDR5
- Graphics
- Intel UHD Graphics
- Ethernet Ports
- 6x 2.5GbE
View on Amazon: UDPTCP Core i3 6-Port 2.5GbE Firewall Mini PC
This barebone firewall appliance features an Intel Core i3-1215U six-core processor paired with six Intel i226-V 2.5GbE Ethernet ports. It provides two DDR5 memory slots supporting up to 32GB, one M.2 NVMe slot, and one 2.5-inch SATA bay. Because it ships without RAM or storage, you must install your own hardware and operating system. It suits multi-interface routing setups requiring dedicated processing power.
Pros
- Six Intel i226-V 2.5GbE Ethernet ports
- Intel Core i3-1215U six-core processor with AES-NI support
- Dual DDR5 memory slots supporting up to 32GB
- Dual storage expansion with M.2 NVMe and 2.5-inch SATA bays
- Dual 4K video output via HDMI 2.0 and DisplayPort 1.4
Cons
- Barebone unit includes no RAM, storage, or operating system
- Uses an internal cooling fan rather than passive cooling
Good fit if
- You need six discrete 2.5GbE network interfaces on one device.
- You want DDR5 memory bandwidth paired with a six-core processor.
- You prefer configuring your own RAM, storage drive, and software.
Skip if
- You want a turnkey device that includes memory and preinstalled storage.
- You need 10GbE SFP+ optical ports rather than RJ45 connections.
Verdict: UDPTCP Core i3 6-Port 2.5GbE Firewall Mini PC delivers six fast network ports and modern DDR5 performance in a barebone format. It provides substantial throughput and processing power once you install your own memory and storage.
UDPTCP Fanless Dual LAN Celeron Mini PC
Best for: budget dual-gigabit firewalls and basic routing
- Processor
- Celeron N2840
- Memory Type
- DDR3L 1333/1600MHz
- Graphics
- UHD Graphics
- Ethernet Ports
- 2 x 1000M
- Use
- Home, Business, Office, Industrial, Firewall
This UDPTCP mini PC is a fanless desktop designed for basic networking, office, and industrial routing tasks. You get an Intel Celeron N2840 dual-core processor with a 7.5W TDP, dual gigabit Ethernet ports, and dual-band Wi-Fi. It uses DDR3L memory and an mSATA SSD slot. This unit suits you if you need a dedicated low-power hardware firewall, simple home server, or basic dual-display workstation using HDMI and VGA connections.
Pros
- Dual 1000M Realtek RTL8111H LAN ports
- Fanless industrial chassis for silent operation
- Low-power 7.5W TDP Intel Celeron N2840 processor
- Six USB ports including two USB 3.0 and four USB 2.0
Cons
- Uses older DDR3L memory and mSATA storage interfaces
- Networking capped at 1000M Ethernet without 2.5GbE or 10GbE support
- Dual-core Celeron N2840 offers limited multi-threaded performance
Good fit if
- You need a silent fanless system with two gigabit LAN ports for a router or firewall.
- You want low electrical draw from an energy-efficient 7.5W TDP processor.
- You require dual-screen output using both HDMI and legacy VGA ports.
Skip if
- You need modern NVMe M.2 storage or DDR4/DDR5 RAM.
- You require multi-gigabit speeds such as 2.5GbE or 10GbE SFP+.
- You run demanding workloads requiring more than two CPU cores.
Verdict: UDPTCP Fanless Dual LAN Celeron Mini PC delivers basic dual-gigabit connectivity and low-wattage operation in a silent form factor. It provides a straightforward hardware foundation for entry-level routing, firewalls, and lightweight daily tasks.
UDPTCP Celeron N5105 Barebone Firewall Mini PC
Best for: dedicated 2.5GbE firewalls and home routers
- Processor
- Intel Celeron N5105
- Installed RAM
- Barebone
- Storage Capacity
- Barebone
- Memory Type
- DDR4
- Graphics
- Intel UHD Graphics
- Ethernet Ports
- 4x 2.5GbE
View on Amazon: UDPTCP Celeron N5105 Barebone Firewall Mini PC
This UDPTCP mini PC functions as a dedicated network appliance powered by an Intel Celeron N5105 quad-core processor. You get four Intel i226-V 2.5GbE Ethernet ports, dual display outputs via HDMI 2.0 and DisplayPort 1.4, and expansion for both M.2 NVMe and 2.5-inch SATA drives. The barebone layout lets you supply your own memory and storage. It fits your needs if you plan to deploy router software such as pfSense, OPNsense, or OpenWrt.
Pros
- Four Intel i226-V 2.5GbE network ports
- Intel Celeron N5105 quad-core processor with AES-NI support
- Dual 4K at 60Hz display support via HDMI 2.0 and DP 1.4
- Dual storage support with M.2 NVMe and 2.5-inch SATA bays
- Expansion options include an mPCIe slot and a SIM card slot
Cons
- Base configuration ships without RAM or storage
- System memory caps at 16GB DDR4
Good fit if
- You need four dedicated 2.5GbE ports for router or firewall setups.
- You run network operating systems like pfSense, OPNsense, or OpenWrt.
- You want to install your own DDR4 memory and storage drives.
Skip if
- You need more than 16GB of system RAM for virtualization.
- You require 10GbE SFP+ ports rather than 2.5GbE RJ45 connections.
Verdict: UDPTCP Celeron N5105 4-Port 2.5GbE Firewall PC delivers four high-speed LAN connections and capable quad-core processing in a compact footprint. It serves as a balanced hardware foundation for dedicated home or small office firewalls.
UDPTCP N300 Dual 10GbE SFP+ Firewall Mini PC
Best for: High-speed 10GbE SFP+ home firewalls
- Processor
- Intel N300
- Memory Type
- DDR5 4800MHz
- Graphics
- Intel UHD Graphics
- Ethernet Ports
- 2x 10GbE SFP+, 3x 2.5GbE
- Use
- Firewall
- Networking
- 2.5G LAN
View on Amazon: UDPTCP N300 Dual 10GbE SFP+ Firewall Mini PC
This UDPTCP appliance is a dedicated firewall mini PC built around an 8-core Intel N300 processor. It equips your network setup with two 10GbE SFP+ cages and three 2.5GbE RJ45 ports for high-bandwidth routing. You also get a single DDR5 SO-DIMM slot and an M.2 NVMe storage slot. It suits you if you need a multi-gigabit OPNsense router with fiber connectivity and low power draw.
Pros
- Two 10GbE SFP+ ports alongside three 2.5GbE i226-V LAN ports
- 8-core, 8-thread Intel N300 processor with 15W TDP
- M.2 B-key 3052 slot with SIM slot for 5G cellular add-ons
- DDR5 memory support up to 5600MHz via single SO-DIMM
Cons
- M.2 NVMe slot operates at PCIe 3.0 x1 bandwidth
- PCIe-based Wi-Fi modules disable one RJ45 LAN port
- Single RAM slot limits memory to single-channel operation
Good fit if
- You need dual 10GbE SFP+ fiber ports alongside 2.5GbE connections for routing.
- You plan to run OPNsense, OpenWrt, or ESXi on an 8-core low-power processor.
- You want expansion options for a 5G cellular module via M.2 B-key and SIM slots.
Skip if
- You require dual-channel memory configurations for memory-heavy virtualization.
- You need full PCIe x4 speed from your primary M.2 NVMe SSD.
Verdict: UDPTCP N300 Dual 10GbE SFP+ Firewall Mini PC delivers capable 8-core processing alongside dual 10GbE SFP+ and triple 2.5GbE networking for high-speed routing appliances. Its single-channel RAM and PCIe 3.0 x1 storage bus keep it strictly focused on network throughput rather than heavy multi-drive storage tasks.
UDPTCP Fanless Pentium N3710 Dual LAN Mini PC
Best for: Silent basic dual-LAN network routing builds
- Processor
- Pentium N3710
- Memory Type
- DDR3L 1600MHz
- Graphics
- UHD Graphics
- Ethernet Ports
- 2x 1GbE
View on Amazon: UDPTCP Fanless Pentium N3710 Dual LAN Mini PC
This fanless barebone mini PC from UDPTCP features a quad-core Intel Pentium N3710 processor running at up to 2.56 GHz with a 6-watt TDP. You get dual 1GbE Realtek Ethernet ports alongside support for DDR3L memory and mSATA storage. Because it ships without memory or solid-state storage, it suits you if you already own spare components and need a silent, low-power system for basic network routing or lightweight utility server tasks.
Pros
- Dual Realtek RTL8111H Gigabit LAN ports
- Low 6 W TDP quad-core processor with fanless cooling
- Supports mSATA and 2.5-inch SATA storage drives
- Hardware features include PXE boot, GPIO, and watchdog timer
Cons
- Ships barebone with no RAM or SSD included
- Limited to older DDR3L SO-DIMM memory
- HDMI 1.4 output caps 4K resolution at 30Hz
Good fit if
- You want a silent, low-power dual-LAN box for network routing or firewall duties.
- You have spare DDR3L SO-DIMM RAM and an mSATA SSD ready to install.
- You need hardware control features like PXE boot and a watchdog timer.
Skip if
- You need a ready-to-run computer with pre-installed memory and storage.
- You require multi-gigabit speeds such as 2.5GbE or 10GbE network interfaces.
- You want smooth 4K display output at 60Hz.
Verdict: UDPTCP Fanless Pentium N3710 Dual LAN Mini PC delivers quiet, low-wattage operation and twin Gigabit interfaces for barebone network builds. It is a solid choice when you supply your own DDR3L memory and mSATA drive.
Specifications side by side
| Spec | UDPTCP Fanless Industrial Mini PC | UDPTCP N150 Dual 10GbE SFP+ Firewall Mini PC | UDPTCP Core i3 6-Port 2.5GbE Firewall Mini PC | UDPTCP Fanless Dual LAN Celeron Mini PC | UDPTCP Celeron N5105 Barebone Firewall Mini PC | UDPTCP N300 Dual 10GbE SFP+ Firewall Mini PC | UDPTCP Fanless Pentium N3710 Dual LAN Mini PC |
|---|---|---|---|---|---|---|---|
| Processor | Celeron N2840 | N150 | Intel Core i3-1215U | Celeron N2840 | Intel Celeron N5105 | Intel N300 | Pentium N3710 |
| Installed RAM | No RAM | not specified | Barebone | not specified | Barebone | not specified | not specified |
| Storage Capacity | No SSD | not specified | Barebone | not specified | Barebone | not specified | not specified |
| Memory Type | DDR3L 1333MHz | DDR5 4800MHz | DDR5 | DDR3L 1333/1600MHz | DDR4 | DDR5 4800MHz | DDR3L 1600MHz |
| Graphics | UHD Graphics | UHD Graphics | Intel UHD Graphics | UHD Graphics | Intel UHD Graphics | Intel UHD Graphics | UHD Graphics |
| Ethernet Ports | 2x 1000M | 2x 10GbE SFP+, 3x 2.5GbE | 6x 2.5GbE | 2 x 1000M | 4x 2.5GbE | 2x 10GbE SFP+, 3x 2.5GbE | 2x 1GbE |
| Operating System | Linux | not specified | not specified | not specified | not specified | not specified | not specified |
| Use | Industrial | Firewall | Firewall | Home, Business, Office, Industrial, Firewall | Firewall | Firewall | not specified |
| Networking | Gigabit Ethernet | 2.5G LAN | 2.5G LAN | not specified | 2.5G LAN | 2.5G LAN | not specified |
| Form Factor | not specified | not specified | Barebone | not specified | Barebone | not specified | not specified |
| Weight | 4 pounds | 4.5 pounds | 4.5 pounds | not specified | not specified | not specified | not specified |
| Size | No RAM No SSD | 0GB RAM 0GB SSD | NO RAM NO SSD | 0GB RAM 0GB SSD | NO RAM NO SSD | not specified | NO RAM NO SSD |
| Model | TF-N2840-2C-2L | N100/6L | BK-1215-6L | G30-N2840-2L | BK-N5105-4L | BK-10GB-3L | CW-X86-N3700-2L |
| Color | not specified | not specified | not specified | not specified | Black | not specified | not specified |
UDPTCP Mini PC Lineup Overview
You can choose between specialized 10GbE models or standard Gigabit units. The UDPTCP N150 and N300 feature dual 10GbE SFP+ ports for high-speed routing. These barebone systems handle heavy network throughput efficiently. They suit users who need maximum bandwidth for dedicated firewall appliances in compact spaces.
For basic networking, the UDPTCP Fanless Industrial Celeron and Fanless Dual LAN Celeron offer silent, low-power operation. These units provide dual Gigabit Ethernet and legacy COM ports. They work well for lightweight Linux routing and industrial control. All listed models are barebone, requiring you to supply your own RAM and storage.
Who UDPTCP Mini PCs Suit
UDPTCP targets users building dedicated network appliances rather than general-purpose computers. The range spans from entry-level Celeron and Pentium units for basic routing to Core i3 and N-series models for high-throughput 10GbE firewall setups. All listed units are barebone, meaning you must supply your own RAM and storage. The lineup focuses on connectivity, offering dual or multi-port Gigabit and 2.5GbE LAN options, with select models featuring SFP+ interfaces. You will not find all-in-one consumer PCs with pre-installed OS or heavy multimedia capabilities here. This brand suits those who prioritize silent, low-power operation and specific network interfaces for Linux routing, industrial control, or home firewall projects.
If you need systems for office deployment, the best mini PCs for business compares hardware built for corporate workloads.
How to Choose Your UDPTCP Mini PC
-
Select the Right Processor
Your network workload dictates the necessary CPU power. For basic home firewalls, the Intel Celeron N2840 in the UDPTCP Fanless Industrial Mini PC offers sufficient low-power performance. If you require higher throughput for virtualization or complex routing rules, the Intel Core i3 in the UDPTCP Core i3 6-Port model provides significantly more processing headroom. Choose the N150 or N300 if you need efficient multi-core handling for dual 10GbE interfaces without excessive power draw. Match the processor to your expected packet processing load to avoid bottlenecks.
-
Check Network Interface Needs
Identify your required bandwidth before selecting a model. Standard Gigabit Ethernet suits most home routers and basic industrial control tasks. If you need higher speeds, look for models with 2.5GbE ports, such as the UDPTCP Celeron N5105, which offers four high-speed LAN connections. For fiber optic setups or high-performance data centers, choose units with dual 10GbE SFP+ ports like the UDPTCP N150 or N300. Ensure the physical ports match your existing cabling infrastructure to avoid needing expensive media converters.
-
Plan for RAM and SSD
All listed UDPTCP units are barebone systems, meaning they do not include RAM or storage. You must purchase these components separately. Check the specific model requirements for memory type and speed. For example, older models may require DDR3L, while newer ones like the Core i3 model support modern DDR5. Storage is also your responsibility; verify if the unit uses standard M.2 NVMe drives or older mSATA interfaces. Properly sizing your memory and storage ensures your firewall or routing OS runs smoothly without performance degradation.
-
Consider Cooling and Noise
Fanless designs provide silent operation, which is ideal for home offices or industrial environments where noise is a concern. The UDPTCP Fanless Industrial Mini PC and the Fanless Pentium N3710 use passive cooling. This eliminates moving parts, reducing maintenance and failure points. However, fanless units may throttle under extreme sustained loads. If you plan to run heavy virtualization workloads, ensure the chassis has adequate ventilation. For most dedicated firewall tasks, passive cooling is sufficient and offers reliable long-term stability.
-
Verify Operating System Compatibility
These units are designed for Linux-based networking operating systems like pfSense, OPNsense, or Ubuntu Server. Windows is generally not recommended for dedicated firewall appliances due to higher resource overhead. Ensure your chosen OS supports the specific network controllers in your selected model. The UDPTCP Fanless Industrial Mini PC comes with Linux pre-installed, offering a quick start for lightweight tasks. For other models, you will need to create bootable installation media and manually configure the network interfaces to match your routing requirements.
Frequently asked questions
Which UDPTCP mini PC is best for silent industrial control?
The UDPTCP Fanless Industrial Mini PC is the best overall choice for low-power Linux networking and industrial control. It features a Celeron N2840 processor and dual Gigabit LAN ports. The fanless design ensures silent operation, while legacy COM ports support specialized industrial equipment. It weighs 4 pounds and runs Linux.
Does UDPTCP offer mini PCs with 10GbE SFP+ ports?
Yes, the UDPTCP N150 and N300 models feature dual 10GbE SFP+ ports. The N150 uses an Intel N150 processor for efficient routing in compact environments. The N300 offers an 8-core processor with dual 10GbE SFP+ and triple 2.5GbE networking. Both are barebone units designed for high-speed firewall setups.
What is the highest port count on a UDPTCP firewall PC?
The UDPTCP Core i3 6-Port 2.5GbE Firewall Mini PC provides six fast network ports. It uses modern DDR5 performance and a Core i3 processor. This model is ideal for high-throughput multi-port 2.5GbE routing and virtualization tasks. It is a barebone system that requires you to install your own memory and storage.
Are all UDPTCP mini PCs sold as barebone systems?
Yes, all listed UDPTCP models are barebone systems without RAM or SSD. You must supply your own memory and storage for any of these units. The descriptions consistently note zero gigabytes of RAM and zero gigabytes of SSD. This allows you to choose components that best fit your specific networking or industrial workload.
Which model is best for budget dual-gigabit firewalls?
The UDPTCP Fanless Dual LAN Celeron Mini PC is the best budget option. It delivers basic dual-gigabit connectivity and low-wattage operation in a silent form factor. It uses an Intel Celeron processor and is suitable for entry-level routing and firewalls. It weighs 4 pounds and provides a straightforward hardware foundation for daily tasks.
Does the UDPTCP Celeron N5105 support 2.5GbE networking?
Yes, the UDPTCP Celeron N5105 Barebone Firewall Mini PC supports four high-speed 2.5GbE LAN connections. It offers capable quad-core processing in a compact footprint. This model serves as a balanced hardware foundation for dedicated home or small office firewalls. It is a barebone unit in black that requires your own RAM and SSD.
Can I use UDPTCP mini PCs for home routers?
Yes, several models are suitable for dedicated home or small office firewalls. The Celeron N5105 with four 2.5GbE ports is a balanced choice for home use. The N300 with dual 10GbE SFP+ ports is ideal for high-speed home firewalls. Both provide the necessary network interfaces and processing power for reliable routing appliances.





