z4 Appliance

NOTICE: z4 Appliance is reaching the End-Of-Sale date. Learn More.


The z4 is ideal for smaller networks, branch offices or retail locations that need a cost-effective network security solution that just works, right out of the box. This appliance performs well under heavy workloads like content filtering, intrusion prevention and VPN encryption, ensuring these smaller networks stay up and running with no hiccups. This quiet desktop appliance takes up minimal space and is recommended for networks with 10-50 users*.


Hardware as a Service Program

This appliance is also available as Hardware as a Service. Gain all the benefits of using this appliance to protect your network for a low monthly price. Terms and Conditions.


Not sure which appliance is best for you? Contact us today.


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Get the z4

The z4 is ideal for small business environments with 10 to 50 users*.

Starting at $14.00 a month*** or purchase for $299.00!

***Subject to HaaS

Terms and Conditions


Tech Specs

Recommended Users*10 – 50
Recommended DevicesUp to 150
Processor Quad core Intel Celeron j1900
Storage32 GB mSATA SSD
Interfaces4x GbE
USB Ports4
Built-in LCDNo
Dimensions (w x d x h)6.1″ x 5″ x 1.4″ (156 x 127 x 37mm)
Unit Weight (lbs)2
Shipping Weight (lbs)4
Form FactorFanless Desktop
Firewall Throughput1950 Mbps
NGFW Throughput2500 Mbps
Operating Temperature32° – 122°F (0° – 50°C)
Power Supply12V3A Adapter


*Assuming each user has 2-3 devices.

1 Throughput numbers are based on a single LAN to a single WAN transmission in one direction using IPerf with UDP packet size 1500.

2 NGFW throughput is measured with Application Control, IPS, Web Filter, Virus Blocker and Reports.

Ships with power adapter and cable, VESA mounting brackets and screws, and rubber feet.


  • Cost-effective, desktop, network security appliance that saves energy and space.

  • NG Firewall is pre-installed on the appliance and ready for license provisioning and configuration via ETM Dashboard.

  • Paid software subscription is required with purchase of an appliance. Appliance price does not include a software package.

  • Includes one year hardware warranty (three year warranty is available).

  • Live Support is included in the NG Firewall Complete software package, or as a standalone Live Support subscription.

  • During the first 15 days after receipt of your appliance, you may request a performance upgrade to the next larger appliance. If approved, you will be charged a restocking fee of $150.00 or 10% of the purchase price, whichever is greater, plus the difference in price between the appliances.

  • Please see our Return Policy and Warranty.