UniFi Gateways Explained as Simply as Possible
Originally Posted: November 29th, 2023
Last Edited: April 27th, 2024
UniFi Gateways Explained as Simply as Possible
Categories
There are two categories: Gateways and Cloud Gateways.
Gateways are just routers and nothing else. These are managed by a Cloud Key or self-hosted UniFi Network application. They don't run any software, and don't do anything besides act as a firewall/gateway/router.
Cloud Gateways are routers that run software. At a minimum they run the UniFi Network application. They manage themselves and other UniFi switches and APs. They can't be managed by a Cloud Key or self-hosted controller*.
These have been called "UniFi OS Consoles" or "Gateway Consoles" and other terms, but Cloud Gateway is the current branding.
Some of these run other UniFi software like Protect, Talk, Access, or Identity.
*Besides the new UniFi Express (UX), which can be used as an access point. There is always an asterisk on everything.
Controller is a general term for a device that runs the UniFi Network application. It can be self-hosted on your own hardware, a Cloud Key, a cloud server, or a UniFi Cloud Gateway™ like the Dream Machine Pro or UniFi Express.
UniFi Gateways
Security Gateway (USG) = Legacy. Discontinued, old and slow
Released: 2014
Three gigabit RJ45 and remappable, so you can have a 2nd LAN or a 2nd WAN.
Missing most new security, routing, and VPN features
Under 100 Mbps for VPN or IDS/IPS
Security Gateway Pro (USG-Pro) = Legacy. Discontinued, rackmount USG
Released: 2016
Rackmount, dual WAN, dual LAN.
Two gigabit SFP/RJ45, two gigabit RJ45.
Missing most new security, routing, and VPN features
A bit more speed, but still old and slow.
Gateway Lite (UXG-Lite) = New USG
Released: 2023
One gigabit WAN and one gigabit LAN ports, no dual-WAN support
Much faster than USG, supports most of the latest security, routing, and VPN features.
Up to 1 Gbps IDS/IPS
Gateway Max (UXG-Max) = A more powerful new USG
Released: 2024
One 2.5 Gbps WAN and four 2.5 Gbps LAN ports, one remappable as 2nd WAN
A larger, faster, more capable UXG-Lite for multi-gig networks
Up to 1.5 Gbps IDS/IPS
Gateway Pro (UXG-Pro) = New USG-Pro
Released: 2022
Rackmount, dual WAN, dual LAN.
Two gigabit RJ45, and two 10 Gbps SFP+
Up to 3.5 Gbps IDS/IPS
Image credit: ui.com
UniFi Cloud Gateways
Small Cloud Gateways
Cloud Gateway Ultra (UCG-Ultra) = Controller + Gateway + 4-port switch
Released: 2024
One 2.5 Gbps WAN, four gigabit LAN ports
No PoE. No other UniFi applications
Manages 30 or more UniFi Network devices
Throughput limited by backplane to 1 Gbps - with or without IDS/IPS
Express (UX) = Controller + Gateway + Wi-Fi
Released: 2023
One gigabit WAN and one gigabit LAN ports
Does not support IPS/IDS, and some security features aren't in current firmware
Multiple UX can join together for a wired or wireless mesh network
It has two modes. The UX can be:
A gateway and controller for a normal UniFi network with up to 5 other switches and APs
An access point in an existing UniFi network
Dream Router (UDR) = Controller + Gateway + 4-port switch (2 PoE out) + Wi-Fi
Released: 2022
One gigabit WAN, four gigabit LAN ports with two PoE out
Can also run Protect, Talk, Access, and Connect -- but only two at a time
Manages up to 15 or so UniFi Network devices, less if you’re using Protect or another application
Throughput limited with IPS/IDS enabled to around 700 Mbps
Protect video storage = internal 128 GB SSD and SD card slot
Dream Machine (UDM) = Controller + Gateway + 4-port switch + Wi-Fi
Released: 2019
One gigabit WAN, four gigabit LAN ports
No PoE. No other UniFi applications
Manages up to 40 or so UniFi Network devices
Not listed in the Cloud Gateway category of Ubiquiti's store. Still for sale and supported, but may be discontinued soon
Rackmount and Large Cloud Gateways
Dream Machine Pro (UDM-Pro) = Controller + Gateway + 8-port switch
Released: 2019
Dual-WAN, rackmount, with two 10 Gbps SFP+, one gigabit RJ45 WAN, and eight gigabit RJ45 LAN. Ports 8-11 are remappable to WAN/LAN.
Runs all UniFi applications and can be NVR for UniFi Protect
Manages up to 100 or so UniFi Network devices, and 1000+ clients
Protect video storage = single 3.5" HDD bay
Dream Machine SE (UDM-SE) = Controller + Gateway + 8-port PoE switch
Released: 2022
Adds PoE, 128 GB SSD, and one RJ45 upgraded to 2.5 Gbps compared to UDM-Pro
Dual-WAN, rackmount, with two 10 Gbps SFP+, one 2.5 Gbps RJ45, and eight gigabit RJ45. Ports 8-11 are remappable to WAN/LAN.
Runs all UniFi applications and can be NVR for UniFi Protect
Manages up to 100 or so UniFi Network devices, and 1000+ clients
Protect video storage = single 3.5" HDD bay + internal 128 GB SSD
Dream Machine Pro Max (UDM-Pro-Max) = A more powerful UDM-Pro/UDM-SE
Released: 2024
Adds 128 GB SSD, one RJ45 upgraded to 2.5 Gbps, 2nd HDD bay, double the RAM, and higher CPU performance compared to UDM-Pro
Dual-WAN, rackmount, with two 10 Gbps SFP+, one 2.5 Gbps RJ45, and eight gigabit RJ45. Ports 8-11 are remappable to WAN/LAN.
Runs all UniFi applications and can be NVR for UniFi Protect
Manages up to 200 or so UniFi Network devices, and 2000+ clients. A faster CPU and double the RAM allow for up to 5 Gbps of IDS/IPS throughput, and double the management and client limits of the UDM-Pro/SE.
Protect video storage = two 3.5" HDD bays with RAID mirroring + internal 128 GB SSD
Dream Wall (UDW) = Controller + Gateway + 16-port PoE switch + Wi-Fi
Released: 2023
Dual-WAN, with two 10 Gbps SFP+ and unique wallmount enclosure with touchscreen for status/management
Lots of PoE (4 PoE, 4 PoE+, 4 PoE++, 420W budget) and dual power supplies
Manages up to 100 or so UniFi Network devices, and 1000+ clients
Protect video storage = internal 128 GB SSD + SD card slot with 512 GB card pre-installed
UniFi Gateway Comparison Charts
For those that prefer more detail, I’ve made some more in-depth comparisons. See the rest of my latest UniFi Network Comparison Charts, and my UniFi Gateway Comparison for more details.
Standalone just-a-router Gateways
UniFi USG and UXG Comparison
All Cloud Gateways
UniFi Cloud Gateway (UniFi OS Console) Comparison
All Current Gateways
Comparison of all current UniFi Gateways — doesn’t include the UDM, USG, or USG-Pro.
Unlisted Gateways — USG, USG-Pro, and UDM
Comparison of the unlisted UDM, USG, and USG-Pro.
