Hummlink HM-R3 Fanless Industrial Mini Router | 6x Intel GbE LAN, pfSense & OPNsense Hardware Firewall, Celeron / Pentium

Hummlink HM-R3 is a rugged, fanless industrial mini router and hardware firewall security appliance powered by energy-efficient Intel Celeron 3965U and Pentium 5205U processors. Engineered specifically for multi-segment industrial routing, cybersecurity appliances, and edge SD-WAN deployments, the HM-R3 features 6 independent Intel i210/i211 Gigabit RJ45 LAN ports, dual serial COM interfaces (including a Cisco-standard RJ45 console port), high-speed M.2 NVMe storage, and M.2 cellular expansion with an onboard SIM slot. Tested and validated for 24/7 continuous operation with pfSense, OPNsense, Linux, and Windows.

Target Applications

• pfSense & OPNsense Hardware Firewalls: 6 independent Intel NICs provide wire-speed packet filtering, Stateful Inspection, Snort/Suricata IDS/IPS, and OpenVPN/WireGuard encryption.
• Multi-WAN Load Balancing & Failover: Configure multiple ISP fiber connections alongside 4G LTE cellular failover to guarantee 99.999% uptime for remote branches and field stations.
• Industrial Network Segmentation & OT Security: Isolate sensitive factory floor PLC networks, SCADA servers, office LANs, and guest Wi-Fi networks across dedicated physical subnets.
• Headless Edge Gateway & SD-WAN Node: Standard RJ45 RS232 console port allows out-of-band CLI configuration and headless provisioning via terminal emulators.

Key Hardware Highlights

• 6 × Intel i210/i211 Gigabit LAN: Dedicated PCIe Ethernet controllers with full duplex wire-speed throughput (10/100/1000 Mbps) and hardware checksum offloading.
• Dedicated Serial & Console Interfaces: 1 × DB9 RS232 port for industrial machinery + 1 × RJ45 RS232 Console port for out-of-band network management.
• Dual Storage Architecture: 1 × M.2 NVMe PCIe SSD slot for high-speed OS booting + 1 × 2.5-inch SATA 3.0 bay for extensive logging and packet capture archives.
• 4G/5G Cellular & Wireless Readiness: Dedicated M.2 slot for 4G LTE modems with onboard SIM card tray, plus M.2 2230 WiFi/BT support and dual external SMA antennas.
• 4 × USB 3.0 Ports: High-speed external device expansion for backups, 4G dongles, and configuration flash drives.
• Silent Fanless Aluminum Alloy Enclosure: Heavy-duty finned extrusion chassis dissipates heat passively with zero noise and no moving parts, rated from -20°C to +60°C.
• Flexible Mounting: Desktop rubber feet, wall-mounting ears, and optional rackmount shelf compatibility.
• Industrial Watchdog & Automation: Integrated hardware Watchdog timer (0–255s), Auto Power On (AWAL), RTC Wake-up, Wake-on-LAN, and PXE Boot.

Technical Specifications

Package Contents

Each Hummlink HM-R3 package is securely boxed for international courier delivery and includes:

• 1 × Hummlink HM-R3 Fanless Industrial Mini Router / Firewall PC
• 1 × AC 100–240V to DC Power Adapter (12V/5A)
• 1 × Regional AC Power Cord (US, EU, UK, or AU plug configured per destination)
• 1 × Wall Mount Brackets & Screw Pack (including 2.5\" SATA drive mounting screws)
• 2 × High-Gain External Wireless SMA Antennas (included with WiFi / 4G configurations)

Shipping & Delivery

• Fast International Dispatch: In-stock configurations ship within 1–3 business days via tracked DHL Express, FedEx, or EMS.
• Global Delivery Timeline: Standard delivery arrives within 5–9 business days worldwide. Tracking numbers are emailed automatically upon dispatch.
• Protective Packaging: Encased in customized shock-absorbing foam to safeguard against drops and vibrations during transport.
• Customs & Duties: Units are declared compliantly under international HS codes. Buyers are responsible for local import duties and VAT.

24-Month Warranty & Professional Support

All Hummlink industrial networking hardware includes an industry-leading 24-Month (2-Year) Factory Warranty with guaranteed failure rates below 0.8%.

Our engineering team provides direct hardware and firmware assistance. Post-warranty, Hummlink provides lifetime maintenance services at raw component cost.

Frequently Asked Questions (FAQ)

Q: Are the 6 Intel Ethernet ports natively supported by pfSense and OPNsense without extra drivers?
A: Yes. The HM-R3 utilizes genuine Intel i210/i211 Ethernet controllers, recognized out-of-the-box by FreeBSD-based firewalls (pfSense CE / pfSense Plus, OPNsense) as igb0 through igb5. Hardware TCP/UDP checksum offloading and MSI-X interrupt handling provide wire-speed routing with minimal CPU overhead.

Q: How do I access the RJ45 Console port for headless initial setup?
A: The front panel includes a standard Cisco-pinout RJ45 RS232 console port. Connect an RJ45-to-DB9 (or RJ45-to-USB) rollover cable to your management PC and open your serial terminal emulator (e.g., PuTTY, Tera Term) set to 115200 baud, 8 data bits, no parity, and 1 stop bit (115200-8-N-1).

Q: Can the HM-R3 automatically reboot upon power restoration (AWAL)?
A: Yes. The AMI BIOS includes hardware Auto Power On (Restore on AC Power Loss / AWAL). In unattended edge installations, the device immediately boots when electrical power is restored after an outage.

Q: What operating systems come pre-installed?
A: Systems ship with Windows 10 Pro (unactivated evaluation) by default for quality testing. If you prefer your unit shipped pre-flashed with pfSense CE, OPNsense, OpenWrt, Ubuntu Server, or completely blank (barebone), simply notify us in your order notes.

Q: Do you offer custom branding, custom BIOS logos, and volume pricing?
A: Yes. Hummlink provides comprehensive OEM/ODM services, including custom front bezel silkscreening, custom BIOS splash screens, specialized network tuning, and tiered volume discounts starting from 5 units.