u25x Appliance

The Untangle u25x NG Firewall appliance offers cost-effective cybersecurity for smaller networks, branch offices and retail locations, along with best-in-class price-performance. Combined with Untangle’s award-winning NG Firewall Complete package, the u25x gives organizations an all-in-one network security solution that includes content filtering, malware and threat protection, secure Wi-Fi, application control, bandwidth optimization, virtual private networks and more.


The u25x is ideal for network environments up to 25 users and devices with a moderate traffic load. If you are not sure which appliance is best for you, contact us today.


Appliances ship with the NG Firewall platform installed, including all the free apps and a 14-day free trial of all the paid apps. Add a subscription to individual apps or Complete package for a full solution. You can choose a Complete package subscription based on the number of devices protected or an unlimited subscription that is tied to your appliance hardware. Unlimited subscriptions are only transferrable to like Untangle appliances.


*Shipping outside the U.S.? See available destinations. May require up to one extra business day for processing.

Get the u25x

The u25x is ideal for smaller networks, branch offices and retail locations with up to 25 users and their devices.

Starting at $299.00!

*Images are not to scale.

*Images are not to scale.


*Images are not to scale.


*Images are not to scale.


  • Rugged, heat-sink case.

  • Plug-and-play setup makes deployment easy for even less technical users.

  • 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.

Tech Notes

  • Recommended for up to 25 users

  • Intel Celeron dual core processor

  • 2GB RAM

  • 32GB mSATA SSD

  • 6 USB ports

  • 2 HDMI port

  • DV 12V DC input

  • 2 1GbE

  • IR port

  • Com port

  • Speak Out connector and Mic In connector

  • Ships with power adapter and power cord.

  • Dimensions: 6.14″ (L) x 5.04″ (H) x 1.73″ (W)

  • Signature black case with white Untangle logo.

Setup Guide

Version: 14.1
Size: ~1.2MB
Format: PDF