Ubiquiti Flex Mini 2.5G
UniFi Flex Mini 2.5G – Compact 5-Port 2.5G Switch with PoE or USB-C Power
The UniFi Flex Mini 2.5G is a compact, Layer 2 switch designed to extend UniFi networks with multi-gigabit connectivity. It features four 2.5 GbE ports and one 2.5 GbE PoE input port, allowing the switch to be powered directly through a PoE-enabled device for streamlined deployment.
For added flexibility, the Flex Mini 2.5G can also be powered via the included 5V, 1A USB-C adapter, making it easy to install in a variety of environments. Its small form factor allows discreet placement on desktops or walls, while offering fast, reliable wired connections for bandwidth-heavy devices such as workstations, servers, and WiFi 6/7 access points.
Fully managed through the UniFi Network application, the Flex Mini 2.5G delivers simple, affordable, and high-performance switching in a space-saving design.
Tech Specs
| Device Specifications | |
|---|---|
| Overview | |
| Dimensions | 117.1 x 90 x 21.2 mm (4.6 x 3.5 x 0.8") |
| Port Layout | 2.5 GbE RJ45 5 (2.5G/1G/100M/10M) |
| Form Factor | Compact desktop |
| Performance | |
| Switching Capacity | 25 Gbps |
| Total Non-Blocking Throughput | 12.5 Gbps |
| Forwarding Rate | 19 Mpps |
| Supported VLANs | 256 |
| MAC Address Table Size | 4,000 |
| Layer 2 Features | |
| STP & RSTP | ✓ |
| Egress Rate Limit | ✓ |
| Flow Control | ✓ |
| Storm Control | ✓ |
| Multicast & Broadcast Rate Limiting | ✓ |
| Port Isolation | ✓ |
| Port Mirroring | ✓ |
| Jumbo Frames | ✓ |
| Loop Protection | ✓ |
| Hardware | |
| Max. Power Consumption | 5W (AC/DC input) 6.4W (PoE input) |
| Power Method | (1) USB Type-C, 5V DC, 1A (1) PoE |
| Power Input Method | USB Input PoE |
| Power Supply | AC/DC, external, 5W |
| Supported Voltage Range | 4.8—5.2V DC/USB 44V—57V PoE |
| Management | Ethernet |
| Weight | 206 g (7.3 oz) |
| Enclosure Material | Polycarbonate |
| Ambient Operating Temperature | -20 to 45° C (-4 to 113° F) |
| Ambient Operating Humidity | 10 to 90% noncondensing |
| NDAA Compliant | ✓ |
| Certifications | CE, FCC, IC, Anatel |
| Software | |
| Application Requirements | UniFi Network Version 8.6.9 and later |
FAQs
Q: What is the Ubiquiti USW-Flex-Mini 2.5G used for?
A: The USW-Flex-Mini 2.5G is a small, fanless Layer 2 UniFi switch with 5 multi-gigabit RJ45 ports, designed to extend high-speed wired connectivity in home and enterprise networks.
Q: What are the power options for the USW-Flex-Mini 2.5G?
A: It can be powered via USB-C (5V, 1A) or through PoE (802.3af/at) on the first port, providing flexibility for various installation scenarios.
Q: Does the USW-Flex-Mini 2.5G support VLANs and advanced features?
A: Yes, when managed via the UniFi Network Application, it supports VLANs, port profiles, and Layer 2 switching features for network segmentation and management.
Q: Can the USW-Flex-Mini 2.5G function as an unmanaged switch?
A: Yes, it can operate as a plug-and-play unmanaged switch, though full management and monitoring require the UniFi Network Application.
Q: Is the USW-Flex-Mini 2.5G silent in operation?
A: Yes, it is completely fanless and silent, making it ideal for noise-sensitive environments such as offices, retail spaces, or home networks.