UniFi Flex – 5-Port Indoor/Outdoor PoE Switch with Flexible Power Options
The UniFi Flex is a compact, Layer 2 switch designed for both indoor and outdoor use, delivering flexible gigabit connectivity with PoE support. It features four GbE PoE+ output ports and one GbE PoE++ input port for power, providing up to 46W PoE budget when powered with PoE++*.
Offering 20W PoE budget on PoE+ input and 8W when powered by standard PoE, the UniFi Flex adapts easily to different deployment requirements. Its weather-resistant housing and slim design make it suitable for a wide range of environments, from offices and hospitality venues to outdoor surveillance networks.
Seamlessly managed through the UniFi Network application, the UniFi Flex combines reliable switching, versatile power options, and simple integration, making it an ideal choice for extending UniFi deployments indoors or outdoors.
*When powered with a PoE++ switch or a 60W PoE adapter (sold separately).
Tech Specs
Click here for the USW-FLEX datasheet.
| Device Specifications | |
|---|---|
| Overview | |
| Dimensions | 122.5 x 107.1 x 28 mm |
| Port Layout | 1 GbE RJ45 5 (4 PoE+; 1 PoE++) (1G/100M/10M) |
| Max. PoE Output | Up to PoE+ |
| Total PoE Availability | 46W |
| Form Factor | Compact desktop, wall, pole |
| Performance | |
| Switching Capacity | 10 Gbps |
| Total Non-Blocking Throughput | 5 Gbps |
| Forwarding Rate | 7 Mpps |
| Supported VLANs | 1,000 |
| MAC Address Table Size | 2,000 |
| Layer 2 Features | |
| Egress Rate Limit | ✓ |
| Flow Control | ✓ |
| Port Isolation | ✓ |
| Port Mirroring | ✓ |
| Jumbo Frames | ✓ |
| Hardware | |
| PoE Ports | PoE+: 4 PoE++: 1 |
| Max. PoE Wattage per Port by PSE | PoE+: 25W |
| Max. Power Consumption | 5W (Excluding PoE Output) 51W (Including PoE Output) |
| Power Method | PoE++ |
| Power Input Method | PoE |
| Supported Voltage Range | 50—57V PoE |
| Management | Ethernet |
| Heat Dissipation (Excluding PoE Output) | 17.06 BTU/hr |
| Outdoor Ready | ✓ |
| Weight | 230 g (8.1 oz) |
| ESD Protection | Air/contact: ± 16kV |
| Ambient Operating Temperature | 46W PoE output: -40 to 55° C (-40 to 131° F) 25W PoE output: -40 to 65° C (-40 to 149° F) |
| Ambient Operating Humidity | 5 to 95% noncondensing |
| NDAA Compliant | ✓ |
| Certifications | CE, FCC, IC, Anatel |
| Software | |
| Application Requirements | UniFi Network Version 5.10.3 and later |
FAQs
Q: What is the Ubiquiti USW-Flex and what is it used for?
A: The USW-Flex is a compact, fanless Layer 2 UniFi switch with 5 gigabit RJ45 ports, designed to extend wired network connectivity in home, office, or enterprise environments.
Q: How is the USW-Flex powered?
A: It can be powered via PoE (802.3af) on port 1 or via an external USB-C power source, offering flexible installation options.
Q: Does the USW-Flex support VLANs and network management?
A: Yes, when used with the UniFi Network Application, it supports VLANs, port profiles, and other Layer 2 switching features for network segmentation and monitoring.
Q: Can the USW-Flex operate as an unmanaged switch?
A: Yes, it can function as a plug-and-play unmanaged switch, though full configuration and monitoring require the UniFi Network Application.
Q: Is the USW-Flex fanless and silent?
A: Yes, it operates silently without a fan, making it ideal for offices, retail environments, and other noise-sensitive locations.