Ubiquiti UniFi USW-Flex-2.5G-8-PoE Managed PoE Switch

The Ubiquiti UniFi Switch Flex 2.5G 8 PoE (Part Number: USW-Flex-2.5G-8-PoE) is a compact, fanless, and high-performance Layer 2 managed switch designed for environments where silent operation, space efficiency, and high-speed multi-gigabit performance are required. It features 8× 2.5 Gigabit Ethernet RJ45 ports with full PoE++ (802.3bt) support and includes a 10G RJ45/SFP+ combo uplink port for seamless integration into higher-speed network backbones.

This switch is part of Ubiquiti’s UniFi line and is optimized for both edge and desktop deployments where users need more than Gigabit speed across multiple endpoints. With a total PoE budget of up to 210W, the USW-Flex-2.5G-8-PoE is capable of powering multiple PoE-compatible devices such as access points, cameras, VoIP phones, and even higher-power WiFi 6/6E/7 access points. Its efficient PoE++ delivery ensures clean power and data through a single cable, simplifying wiring and reducing clutter in constrained installations.

Its compact design makes it well-suited for desktop placement, under-desk mounting, or edge-cabinet installations. The fanless operation makes it silent in use, a critical feature for offices, conference rooms, labs, or production environments where low noise is a priority. Despite its size, it delivers robust network throughput suitable for data-intensive applications like 4K media transfer, NAS backups, remote virtual machine access, and multiple high-bandwidth user endpoints.

Management is handled entirely through the UniFi Network Controller, where administrators can access a centralized dashboard to configure VLANs, monitor port usage, update firmware, and apply traffic policies. The controller-based model allows for cloud-based access, remote troubleshooting, and unified visibility across all UniFi devices in the network, streamlining IT operations and support.

The 10G combo uplink port supports either RJ45 or SFP+ fiber, allowing for versatile integration with aggregation switches or routers depending on infrastructure requirements. This uplink ensures that the multi-gig performance of the downstream 2.5G ports is not bottlenecked at the core, making this switch ideal for environments that demand high-speed backhaul.

In summary, the USW-Flex-2.5G-8-PoE delivers powerful PoE++, compact size, 2.5G throughput, and UniFi ecosystem integration, making it a go-to solution for growing networks in professional or high-performance environments seeking silent, high-speed, and efficient edge switching.