z20 Appliance

Purchase a z20 hardware appliance and any associated software license to receive a 30% discount on both the hardware and software price. Discounts are automatically applied in the cart.

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*.

Starting at $4,550.00 $3,185.00!


Tech Specs

Recommended Users*500 – 3000
Recommended Devices3000+
Processor Six core Intel Xeon E-2176G
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 Throughput18.5 Gbps
NGFW Throughput22 Gbps
Operating Temperature32° – 104°F (0° – 40°C)
Power SupplyDual 300 Watt


*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 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 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.

  • Please see our Return Policy and Warranty.