z12 Appliance

The z12 delivers next-generation firewall features for mid-to-large-sized offices. This appliance offers fiber connectivity for increased performance and security efficacy. Ideal for networks with 100-500 users, this 1U rackmount appliance provides a powerful single device to handle anything from content filtering to perimeter security without compromising performance.
Appliances ship with the NG Firewall software platform pre-installed, including all the free apps and a 14-day trial of all the paid apps. Easily add a subscription to the Complete package for a comprehensive network security solution.
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Get the z12

The z12 is ideal for large offices and branch locations with 100-500 users.

Starting at $1,999.00!


Tech Specs

Recommended Users100 – 500
Processor Intel Xeon Quad Core
Storage512 GB NVMe SSD
Interfaces8x GbE / 4x SFP
USB Ports2
Built-in LCDYes
Dimensions (w x d x h)17.2″ x 16.9″ x 1.7″ (438 x 430 x 44mm)
Unit Weight (lbs)14
Shipping Weight (lbs)23
Form Factor1U Rackmount
Firewall Throughput950 Mbps
NGFW Throughput*950 Mbps
Operating Temperature32° – 104°F (0° – 40°C)
Power Supply250 Watt


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

Ships with power cable and rack mounting hardware.


  • 1U rackmount network security appliance with LCD display.

  • Get zero touch deployment through Command Center for easy license provisioning and remote configuration.

  • Includes one year hardware warranty.

  • Add a software subscription. Unlimited Complete for Appliances subscriptions are tied to the hardware and are only transferrable to like Untangle hardware.

  • Untangle Live Support (on the hardware or software) must be purchased separately as either standalone Live Support subscription or as part of Complete package.

  • 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 or 10% of the purchase price, whichever is greater, plus the difference in price between the appliances.

  • Please see our Return Policy and Warranty.