CWWK Micro Firewall Appliance Mini PC N355-4LAN - 4 x 2.5GbE, Dual 4K

In this review of the CWWK Micro Firewall Appliance Mini PC N355-4LAN we look at who will get the most value from a small, network-focused mini PC and why its strongest selling point is connectivity. For anyone building a home lab, small office gateway, or compact virtualization host, the standout feature is the set of four 2.5GbE Intel I226-V ports combined with the Twin Lake N150 quad-core CPU. That pairing makes it a practical choice for firewall, VPN gateway, NAS duties, or lightweight virtual machines while still supporting popular OS installs like OPNsense, OpenWrt, Ubuntu, or Windows.

Key Features

• Twin Lake N150 CPU: The 4-core, 4-thread processor with up to 3.6GHz burst provides sufficient single-thread and multi-thread performance for routing, VPN encryption, and small-scale virtualization.
• 4 x 2.5GbE I/O: Four dedicated 2.5GbE ports let you build multi-WAN, segregated LANs, or high-throughput local networks without needing extra NICs.
• DDR5 Memory Support: A single SO-DIMM DDR5 slot supports up to 32GB at 4800MHz (compatible with faster modules), letting users allocate more RAM to virtual machines or caching tasks.
• M.2 NVMe Storage: An M.2 NVMe x4 slot provides fast system and cache storage; the board supports additional M.2 or mSATA via an adapter for expanded capacity.
• Dual 4K Displays: HDMI plus DisplayPort outputs allow a 4K dual-monitor setup for local management, monitoring dashboards, or as a compact desktop replacement.
• Wireless Expansion: M.2 Key-E slot supports WiFi6/Bluetooth modules for wireless connectivity when needed.

Who It's For

The CWWK N355-4LAN is aimed at tech-savvy home users, small business owners, and network hobbyists who need a compact appliance with multiple high-speed LAN ports. It is especially useful for those running dedicated firewall software, VPN gateways, or light NAS and virtualization workloads where multiple physical network interfaces are essential.

It is less suited to users who need a turnkey consumer desktop or heavy compute workloads like video editing; those buyers should choose a system with a dedicated GPU or higher-core-count processor. Also, non-technical buyers who expect plug-and-play consumer routing may prefer a preconfigured commercial router instead of a configurable mini PC.

Pros & Cons

Pros

• Excellent networking capability with four 2.5GbE ports for advanced routing and segmentation.
• Modern CPU with VT-x and VT-d support makes it suitable for light virtualization and appliance consolidation.
• Fast NVMe storage and DDR5 memory support allow responsive OS and application performance.
• Compact chassis with dual 4K video outputs and wireless expansion keeps it flexible for different roles.

Cons

• Single SO-DIMM slot limits memory expansion flexibility compared with dual-channel boards.
• Not designed for heavy GPU-accelerated workloads or large-scale virtualization clusters.

Specifications

Our Verdict

The CWWK N355-4LAN is a compact, well-rounded mini PC that targets networking and appliance roles rather than raw workstation compute. With four 2.5GbE ports, modern DDR5 support, and NVMe storage it offers strong value for home labs and small business gateways where interface density and flexibility matter. Technically inclined users who want a versatile, upgradeable firewall or VPN host will find it a sensible and cost-effective choice.

Frequently Asked Questions

Can it run OPNsense or OpenWrt?
Yes, the unit supports common open-source firewall OS installs such as OPNsense and OpenWrt and can function as a dedicated firewall appliance.

How many network ports and what speed?
It includes four Intel I226-V 2.5GbE ports, which are suitable for multi-WAN or segmented LAN setups without extra NICs.

Is WiFi included?
WiFi6 is not built-in by default but the M.2 Key-E slot supports a WiFi6/Bluetooth module for wireless expansion.