z6 Appliance

The z6 is a 1U rackmount appliance ideal for mid-sized offices or datacenter locations. This appliance delivers high-performance, next-generation firewall capabilities for threat protection, content filtering and SSL inspection with minimal latency even at peak loads. With multiple high-speed interfaces and superior throughput, the z6 is best suited for networks with 50-100 users.
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.

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. Learn More.
Not sure which appliance is best for you? Contact us today.
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Get the z6

The z6 is ideal for mid-sized offices or datacenter locations with 50-100 users.

Starting at $74.00 a month or purchase for $1,199.00!


Tech Specs

Recommended Users50 – 100
Processor Intel i3 Dual Core
Storage512 GB NVMe SSD
Interfaces6x GbE
USB Ports2
Built-in LCDYes
Dimensions (w x d x h)17.1″ x 11.8″ x 1.7″ (435 x 300 x 44mm)
Unit Weight (lbs)11
Shipping Weight (lbs)17
Form Factor1U Rackmount
Firewall Throughput950 Mbps
NGFW Throughput*900 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.