
The z20 is the largest of the Untangle zSeries Firewall appliances, suited for large campuses and HQs with up to 3,000 users. The appliance over exceeds in security and performance, so much so that it allows for the next generation firewall to work seamlessly under peak load. It can support large organisations in fiber connectivity, fast processing, ample memory and much more.
Appliances are shipped with the NG Firewall software platform pre-installed, including all the free apps and a free 14 day trial of all the paid apps.
Specs | z20 |
Recommended users | 500 – 3000 |
Processor | Intel Xeon Six Core |
RAM | 32GB |
Storage | 512 GB NVMe SSD |
USB ports | 2 |
Dimensions | 438 x 553 x 44mm (17.2 x 21.8 x 1.7″) |
Firewall Throughput | 8.5 Gbps |
NGFW Throughput* | 2 Gbps |
Power Supply | Dual 300 Watt |
Extra
- One year hardware warranty
- 1U rackmount with LCD display
- Additional software subscription available to meet your needs

Other NG Firewall Appliances
The Untangle appliances are sent out with the NG Firewall platform pre-installed, ready for deployment of remote license provisioning and configuration via the Command Centre. Please see an extensive list below of all Untangle NG firewall hardware devices that CloudTech24 can provide:
Untangle z20 FAQ
IS UNTANGLE Z20 FIREWALL FREE?
Untangle firewalls are not free. They require purchasing as with any hardware.
HOW MUCH RAM DO I NEED FOR UNTANGLE?
See table below.
IS UNTANGLE Z20 A GOOD FIREWALL?
Yes, the firewall is an excellent solution for larger enterprises. For more information, please see above.
HOW MUCH RAM DOES THE UNTANGLE Z20 HAVE?
32GB
WHAT PROCESSOR DOES THE UNTANGLE Z20 POSSESS?
Intel Xeon Six Core
HOW MANY USERS WOULD A COMPANY HAVE TO GET BENEFIT FROM THE UNTANGLE Z20?
500 – 3000
Resource | Processor | Memory | Hard Drive | Notes |
---|---|---|---|---|
minimum spec | 1 core | 2 GB | 10 GB | Platform only – no apps installed |
1-50 devices | 2 cores | 4 GB | 40 GB | |
51-150 devices | 4 cores | 8 | 80 GB | |
151-500 devices | 4 or more cores | 16 | 160 GB | |
501-1500 devices | 4 or more cores | 16 | 250 GB | |
1501-5000 devices | 6 or more cores | 32 | 500 GB |