






CWWK CW-U1 N-Series 1U 6-Port 2.5GbE Firewall Appliance

CW-U1 1U Rackmount Firewall with 6× 2.5GbE
Powered by Intel N100 or Core i3-N305, CW-U1 combines six Intel i226-V 2.5GbE interfaces, DDR5 memory and flexible expansion in a compact 19-inch 1U platform for firewall, routing, VPN and edge network deployments.
Built for Rackmount Network Infrastructure
CW-U1 integrates processing, networking, storage and expansion into a compact rack-mounted platform designed for continuous firewall, routing, VPN and edge network workloads.
- Intel N100 or Core i3-N305 processor
- 6× Intel i226-V 2.5GbE RJ45
- 8GB / 16GB / 32GB DDR5 options
- Storage, Wi-Fi and 4G/5G expansion
- Compact 19-inch 1U chassis
Intel N100 or Core i3-N305
Choose the processor configuration that matches your firewall, routing, VPN and multi-service network requirements.
N100
Efficient Network Computing
A power-efficient platform for dedicated firewall, router, VPN and everyday network appliance deployments.
N305
More Compute Headroom
An 8-core processor with additional capacity for multi-service networking, virtualization and more demanding network workloads.
Six Dedicated 2.5GbE Network Interfaces
Six integrated Intel i226-V Ethernet interfaces provide the physical port flexibility required for WAN, LAN, VLAN, segmented networks and multi-zone firewall deployments.
Front & Rear I/O
Network, management, system and power interfaces are arranged for convenient installation and maintenance in a rack environment.
Front I/O
Rear I/O
Flexible Storage & Expansion
CW-U1 provides onboard connectivity for storage, wireless networking and cellular modules while retaining the compact 1U rackmount footprint.
- SATA 3.0 and mSATA storage
- M.2 B-Key for 4G / 5G
- M.2 E-Key for Wi-Fi / Bluetooth
- PCIe x4 physical slot with PCIe 3.0 x1 signal
- GPIO and internal system headers
CW-ADLN-6L Motherboard
The dedicated network appliance motherboard integrates six 2.5GbE interfaces, DDR5 memory, storage connectivity and multiple internal expansion interfaces into a compact network-focused platform.
- 1× SO-DIMM DDR5 memory slot
- Maximum 32GB DDR5 memory
- Dedicated CPU and system fan headers
- Console, GPIO and storage interfaces
- Network appliance focused board design
Motherboard Interface Layout
Key networking, storage, expansion and system interfaces are clearly identified to simplify installation and hardware integration.
Compact 19-Inch 1U Chassis
440 × 255 × 45 mm
The compact 1U chassis conserves rack space while maintaining active cooling for continuous network workloads.
440 mm
255 mm
45 mm
19-inch 1U
Technical Specifications
| Model | CW-U1 / CW-ADLN-6L |
|---|---|
| Processor | Intel N100 / Intel Core i3-N305 |
| Memory | 1× SO-DIMM DDR5; 8GB / 16GB / 32GB; maximum 32GB |
| Networking | 6× Intel i226-V 2.5GbE RJ45 |
| Storage | SATA 3.0 / mSATA |
| M.2 Expansion | 1× M.2 B-Key for 4G/5G; 1× M.2 E-Key for Wi-Fi / Bluetooth |
| PCIe | PCIe x4 physical slot; PCIe 3.0 x1 signal |
| Console | 1× RJ45 Console |
| USB | 2× USB 3.0 plus internal USB headers |
| Display | VGA plus internal HDMI header |
| GPIO | 8 programmable GPIO |
| Watchdog | 0–255 seconds |
| Network Features | PXE, Wake-on-LAN, optional hardware Bypass |
| 1U Dimensions | 440 × 255 × 45 mm |
| Operating Temperature | 0°C to 60°C |
| Operating System | Windows 10 / 11, Windows Server, Linux |
Built for Real Network Deployments
Six physical Ethernet interfaces, x86 processing and rackmount deployment make CW-U1 suitable for multiple network infrastructure roles.
01
Firewall Appliance
Dedicated x86 hardware for compatible firewall platforms including OPNsense and pfSense.
02
VPN Gateway
Build secure remote-access and site-to-site network architectures using multiple interfaces.
03
Edge Gateway
Deploy routing, connectivity and local edge services inside a compact rack footprint.
04
Network Segmentation
Six Ethernet interfaces provide flexibility for WAN, LAN, VLAN and multi-zone deployments.
CW-U1 2U Custom Configuration
The standard CW-U1 sold through the CWWK online store uses the 1U chassis. For enterprise projects requiring more internal space, additional cooling capacity or project-specific configurations, CW-U1 can also be supplied in a customized 2U chassis for bulk orders.
CW-U1 1U and customized 2U chassis comparison.
Front and rear I/O layout of the CW-U1 2U configuration.
The 2U chassis is not a standard online purchase option. For 2U requirements, OEM/ODM projects or volume purchasing, contact the CWWK sales team with your required configuration.
Contact SalesFrequently Asked Questions
Which processors are available for CW-U1?
CW-U1 is currently sold with Intel N100 or Intel Core i3-N305 processors.
What is the maximum supported memory?
Current CW-U1 configurations are available with 8GB, 16GB or 32GB DDR5 memory, with a maximum supported capacity of 32GB.
How many Ethernet interfaces does CW-U1 provide?
CW-U1 provides six Intel i226-V 2.5GbE RJ45 Ethernet interfaces.
Can CW-U1 be ordered in a 2U chassis?
Yes. The standard online CW-U1 product is the 1U version. Customers requiring a 2U chassis can contact the CWWK sales team for project customization and bulk purchasing.
Can CW-U1 run OPNsense or pfSense?
CW-U1 is an x86 network appliance suitable for compatible firewall and network operating systems including OPNsense, pfSense and Linux-based platforms.




