A Detailed Comparison : Dream Machine (UDM) and Security Gateway (USG)

When it comes to UniFi networking gear, two popular options often come up: the UniFi Dream Machine (UDM) and the UniFi Security Gateway (USG). Both are solid choices, but they serve slightly different needs.

Whether you’re setting up a home network or managing a small business, understanding these two devices will help you make an informed choice.

Let's Dive In !

Table of Contents

• The basics:
  • UniFi Dream Machine (UDM)
  • UniFi Security Gateway (USG)
• Key differences: hardware and features
  • 1. Form factor and design
  • 2. Network management and controllers
  • 3. Performance
  • 4. Integrated access point
  • 5. Switching capabilities
• Pros and cons: which one should you choose?
  • UniFi Dream Machine (UDM)
  • UniFi Security Gateway (USG)
• Use cases: where do they fit best?
  • UniFi Dream Machine (UDM)
  • UniFi Security Gateway (USG)
• Final Thoughts

The basics:

Let’s start with a quick overview of what each device is designed to do.

UniFi Dream Machine (UDM)

The UniFi Dream Machine is an all-in-one device that combines several networking components into a single unit. It includes a router, switch, access point, and security gateway. This makes it a one-stop shop for a lot of users, especially those who want a simple setup without the hassle of managing multiple devices.

UniFi Security Gateway (USG)

The UniFi Security Gateway, on the other hand, is more of a specialized device. It’s a powerful router with robust firewall capabilities, but it doesn’t have the integrated switch or access point. It’s designed for users who want to build a more modular network, where they can choose the best-in-class components for each role in the network.

Key differences: hardware and features

Now, let’s dive into the hardware and feature differences that set these two apart.

1. Form factor and design

• UDM: The Dream Machine has a sleek, cylindrical design that looks great on a desk or shelf. It’s intended to be a visible part of your setup, blending well with modern decor. It’s a single device, so it reduces clutter.

• USG: The USG is a compact, square-shaped box that’s more utilitarian. It’s designed to be mounted in a network rack or hidden away, as part of a larger setup. If aesthetics aren’t your concern and you have other networking gear to manage, the USG’s design is practical.

2. Network management and controllers

• UDM: One of the biggest advantages of the Dream Machine is that it comes with the UniFi Network Controller software built-in. This means you don’t need a separate device to manage your network. You can control everything from the UDM itself, using the UniFi app or a web interface.

• USG: The USG doesn’t include a built-in controller. You’ll need to run the UniFi Network Controller on a separate machine, like a Cloud Key, a dedicated server, or even a PC. This adds a bit more complexity to your setup but gives you more flexibility if you’re managing a large network with multiple sites.

3. Performance

• UDM: The Dream Machine is equipped with a quad-core processor, which provides plenty of power for most home and small business networks. It’s capable of handling gigabit speeds with ease, making it suitable for high-speed internet connections.

• USG: The USG’s processing power is more modest compared to the UDM. While it’s capable of handling gigabit connections, it might struggle with advanced configurations like IPS/IDS (Intrusion Prevention/Detection System) if you’re pushing it to its limits. For most users, it’s perfectly adequate, but power users might notice a performance gap.

4. Integrated access point

• UDM: The Dream Machine includes a built-in dual-band 802.11ac Wi-Fi access point. This is perfect if you want a simple setup with good Wi-Fi coverage right out of the box. It’s powerful enough for most homes, offering up to 1,733 Mbps on the 5 GHz band and 300 Mbps on the 2.4 GHz band.

• USG: The USG doesn’t include Wi-Fi capabilities. You’ll need to pair it with UniFi access points (APs) or other Wi-Fi devices to provide wireless coverage. This can be an advantage if you need to cover a large area with multiple APs, as it allows for more customizable Wi-Fi solutions.

5. Switching capabilities

• UDM: The Dream Machine includes a 4-port gigabit switch, which is great for small setups where you need to connect a few wired devices. It’s convenient and reduces the need for an additional switch.

• USG: The USG doesn’t have built-in switch ports. You’ll need a separate switch to connect multiple wired devices. This isn’t necessarily a downside, as many users prefer using a dedicated switch that matches their specific needs (e.g., PoE, managed vs. unmanaged).

Pros and cons: which one should you choose?

Both devices have their strengths and weaknesses. Let’s summarize them to help you figure out which one might be the best fit for your needs.

UniFi Dream Machine (UDM)

Pros:

• All-in-one solution: Simplifies setup and management.
• Integrated Wi-Fi: No need for separate access points in smaller environments.
• Built-in UniFi Network Controller: Easy to manage everything from one device.
• Sleek design: Fits well in a home or small office.

Cons:

• Less modular: If one component fails, you can’t replace it independently.
• Limited port options: The 4-port switch might be too few for some users.
• Overkill for simple setups: If you don’t need all its features, it might be more than you need.

UniFi Security Gateway (USG)

Pros:

• Modular setup: Pair it with the best components for your needs.
• Better for larger networks: Great if you’re managing multiple sites or need advanced features.
• Cost-effective: Less expensive than the UDM, especially if you already have other UniFi gear.
• Flexible placement: Can be hidden away in a network rack.

Cons:

• No Wi-Fi or switch: You’ll need to add these components separately.
• Requires a separate controller: Adds complexity to the setup.
• Lower processing power: Might struggle with heavy loads or advanced security features.

Use cases: where do they fit best?

UniFi Dream Machine (UDM)

The Dream Machine is perfect for small businesses, home users, and anyone who wants a simple, powerful networking solution. If you’re setting up a network and want to avoid the hassle of managing multiple devices, the UDM is a great choice.

It’s also ideal if you’re looking for a sleek, attractive device that won’t be an eyesore in your living room or office.

UniFi Security Gateway (USG)

The USG shines in more complex or larger environments. If you’re managing multiple sites, need more advanced networking features, or already have UniFi access points and switches, the USG allows you to build a custom setup.

It’s also a better choice if you’re on a budget and don’t need the all-in-one convenience of the UDM.

Final Thoughts

So, which one should you go for? It really comes down to your specific needs and how you plan to use your network.

• Go for the Dream Machine if you want simplicity, integrated Wi-Fi, and an all-in-one solution that’s easy to set up and manage.

• Choose the Security Gateway if you prefer a modular setup, already have some networking components, or need more advanced control over your network.

In the end, both devices are excellent choices in the UniFi lineup. Whether you go with the UDM or the USG, you’re getting a reliable, high-quality piece of networking gear that will serve you well.

If you're looking for a more scalable and flexible network management solution, especially in business or multi-site environments, consider hosting your UniFi Controller in the cloud. We at UniHosted can help with that.

Our service takes the hassle out of managing your UniFi network, giving you peace of mind with automated updates, backups, and 24/7 monitoring. Whether you're using a UDM or USG, our cloud-hosted controllers can scale with your needs. Give us a try and see how easy it can be to manage your network!