z20 Appliance

The z20 is the largest Untangle appliance, ideal for large campuses and headquarters with 500-3,000 users*. Superior performance allows for full next-generation firewall capabilities to work seamlessly under load. Multiple high-speed interfaces, fiber connectivity, fast processing and ample memory allow this 1U rackmount appliance to support large-sized organizations while exceeding expectations for both security and performance.


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Get the z20

The z20 is ideal for large offices and branch locations with 500-3,000 users*.

for only $3,499.00!


Tech Specs

Recommended Users*500 – 3000
Recommended Devices1500+
Processor Six core Intel Xeon E-2176G
Max Frequency: 4.7 Ghz
Storage512 GB NVMe SSD
Interfaces17x GbE / 4x SFP+
10 Gbit Ports4
USB Ports2
Built-in LCDYes
Dimensions (w x d x h)17.2″ x 21.8″ x 1.7″ (438 x 553 x 44mm)
Unit Weight (lbs)21
Shipping Weight (lbs)32
Form Factor1U Rackmount
Firewall Throughput8.5 Gbps
NGFW Throughput**2 Gbps
Operating Temperature32° – 104°F (0° – 40°C)
Power SupplyDual 300 Watt


*Assuming each user has 2-3 devices.

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

Ships with 2 power cables and rack mounting hardware.


  • 1U rackmount network security appliance with LCD display.

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

  • 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).

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

  • Please see our Return Policy and Warranty.


  • 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.