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TLDR Review: "Ubiquiti UniFi Cloud Gateway Fiber (UCG-FIBER)"

Item: "Ubiquiti UniFi Cloud Gateway Fiber (UCG-FIBER)"
Author: ShopSavvy

By ShopSavvy Team

Published: February 14th, 2026

Pros

•Delivers blazing fast and reliable performance, supporting up to 10G Fiber WAN speeds (though often limited by current 1Gbe WAN connections).
•Ideal for highly available, professional networking setups, especially for multite or managed service environments.
•Easily pairs with multigabit switches and has potential for future LAN speed upgrades.
•Centralizes network management through the UniFi OS ecosystem, which is powerful once mastered.
•Compatible with fiber providers like YouFibre for straightforward fiber deployment.
•Wirenly design ensures dedicated, stable connectivity without wireless interference.
•Allows external UniFi OS server setups on Linux VMs for flexibility, though with some complexity.
•Requires a cloud key or separate UniFi OS server for full camera integration and management.

Cons

•Does not include a builn UniFi OS (UOS) server or NVME slot, limiting on-device applications like UniFi Protect (camera management).
•Equipped with 2GB RAM instead of 3GB, lacking the extra memory reserved for embedded controller tasks in other models.
•Missing the Protect feature available in newer generation models, so no native camera NVR functionality.
•Initial setup requires an active broadband connection and cannot be done offline, which complicates installation in some scenarios.
•Configuration is more complex and different from typical consumer routers, requiring some learning curve.
•No wireless capabilities; strictly a wired cloud gateway device.
•Users expecting an aln-one solution with integrated services may be disappointed by limited onboard features compared to other UniFi gateways.
•Running UniFi OS server externally uses Podmanly containers, which is less common and may require specific Linux expertise.
•Important to doublheck model details before purchase to avoid missing key features like built-in UOS and NVME slots.

Bottom Line

The Ubiquiti UniFi Cloud Gateway Fiber (UCG-FIBER) is a solid choice for users who want a fast, reliable, and scalable fiber gateway device and are already invested in or comfortable with the UniFi OS ecosystem. However, if you need integrated UniFi Protect camera management or an all-in-one device with on-board server features, this model falls short. Beware of its more technical setup process and lack of wireless functionality. For users seeking a device with built-in Protect support or more RAM and onboard UOS, considering a newer generation UniFi gateway model would be wise before committing.