Fanless 4-LAN Mini PC | Ultra-Compact Industrial Computer for Edge Computing and Gateways

ChangFan CF-J4125MN – Low-Power Mini Industrial PC

The CF-J4125MN is a desktop low-power mini industrial PC powered by an Intel Celeron J4125 quad-core processor, integrating 4× Intel I211 Gigabit NICs (2.5G NICs optional), with a fanless silent thermal design and an all-aluminum-alloy enclosure, offering high cost-effectiveness, low power consumption and dependable stability. Widely deployed in internet cafés and hotels, residential communities, government agencies, enterprises and factories, healthcare and finance, schools and education, it suits software routing, firewalls, gateways, network isolation, behavior management, UTM, SD-WAN, VPN, IPTV, AC controllers, web monitoring and various authentication server scenarios — an ideal hardware platform for integrators, software developers and carriers.

Key Features:

● In-house R&D, military-grade build: independently designed and developed by ChangFan Technology, the mini industrial PC series supports stable 24/7 non-stop operation — fast response, easy operation, safety and reliability, with low power consumption

● Mini desktop design, flexible deployment: measuring only 126mm × 134mm × 40mm, the compact desktop unit (wall-mountable) suits small equipment rooms, offices, wiring closets, homes and many other deployment environments

● Intel Celeron J4125 quad-core processor: Intel Celeron J4125 2.0GHz quad-core processor delivering balanced computing performance and an excellent performance-per-watt ratio

● Flexible memory and storage: 1× SO-DIMM DDR4 memory up to 8GB; 1× SATA 2.0 + 1× mSATA storage interfaces, flexibly meeting system and data storage requirements

● 4× Intel I211 Gigabit NICs (2.5G optional): 4 built-in Intel I211 Gigabit NICs, optionally configurable with 4× I225 2.5G NICs, meeting diverse network access and forwarding needs

● Rich expansion and interfaces: 1× Mini PCI-E expansion slot; peripheral interfaces include 1× USB 2.0, 1× USB 3.0, 1× HDMI and 1× RJ45 COM management port

● Fanless silent thermal design: all-aluminum-alloy enclosure with a fanless thermal structure — silent and energy-efficient for noise-sensitive deployment environments

● External power supply: external 12V power adapter reduces internal heat and improves overall system stability and reliability

● Broad OS compatibility: full support for mainstream x86 systems including ROS, OpenWrt, Panabit, Linux, pfSense, OPNsense, ModSecurity, Coraza, iptables, nftables, IPFire, iKuai, RouterOS and Firewall

Applications:

● Software routing and gateways: multi-WAN aggregation, load balancing, intelligent traffic control

● Next-generation firewall (NGFW): enterprise-grade firewall, intrusion detection and prevention

● VPN and SD-WAN: secure multi-branch interconnection, intelligent network access

● Internet behavior management: granular traffic control for enterprise, school and government networks

● AC controllers and Wi-Fi operation: centralized wireless AP management, authenticated Internet access

● UTM unified threat management: antivirus, anti-spam and content filtering in one

● IPTV and web monitoring: video streaming delivery and network monitoring

ChangFan Technology OEM/ODM Customization Services

ChangFan Technology has deep expertise in industrial computing and network security, with full-chain R&D capabilities spanning board design, mechanical engineering and system integration. For the CF-J4125MN series, we offer the following customization options:

● Flexible NIC configuration (4× I211 Gigabit NICs / 4× I225 2.5G NICs on request)

● Memory capacity (up to 8GB) and storage capacity tailored on request

● Custom chassis appearance, color, logo and panel layout

● Pre-installed software router/firewall system of your choice for true out-of-the-box deployment
Whether you need a standard product or a fully customized solution, ChangFan responds fast to help you bring your business online quickly.

Product Specifications