The UniFi USW-Flex is a compact 5-port managed PoE switch with 4 PoE output ports, 46W total power budget, and a weatherproof, fanless design—ideal for indoor and outdoor UniFi device deployments.
Here are the
detailed specifications for the
UniFi USW-Flex (non-2.5 GbE version) from Ubiquiti:
🔌 Ports & Power
- 5 × 1 GbE RJ45 ports:
- Port 1: PoE input (802.3af/at or 802.3bt) delivering up to 60 W via injector or PoE++ switch
- Ports 2–5: PoE output, auto-sensing 802.3af (up to 25 W each)
- Total non-blocking throughput: 5 Gbps
- Switching capacity: 10 Gbps
⚡ Power & PoE Budget
- Max host power: ~5 W (device only)
- Total PoE output: ~46 W when powered via 60 W PoE++ injector or switch
- Per-port PoE limit: 25 W maximum
🔄 Layer 2 Features
- Supports up to 1,000 VLANs, egress rate limiting, flow control, jumbo frames, port mirroring, IGMP/broadcast storm control, port isolation
- Fully manageable via UniFi Network Controller (version 5.10.3+)
📐 Hardware & Environmental Specs
- Dimensions: 122.5 × 107.1 × 28 mm (4.8 × 4.2 × 1.1″)
- Weight: 230 g (8.1 oz)
- Fanless, weather-resistant design; mounts horizontally, vertically, or on poles
- Temperature tolerance:
- Up to 55 °C with 46 W PoE output
- Up to 65 °C with 25 W PoE
- Rating: -40 to +55 °C ambient (or +65 °C at reduced load)
- ESD protection: ±16 kV air/contact
- Certifications: CE, FCC, IC; NDAA compliant
🧾 Summary Table
| Feature |
Specification |
| Ethernet Ports |
5 × 1 GbE (PoE‑in + 4 PoE‑out) |
| Switching |
10 Gbps / 5 Gbps / ~7 Mpps |
| PoE Output Budget |
Up to 46 W total, 25 W/port |
| VLANs & L2 Features |
VLAN, QoS, port isolation, more |
| Power Method |
PoE++ input (44–57 V DC) |
| Size & Weight |
122.5×107.1×28 mm; 230 g |
| Operating Temp |
–40 °C to +55 °C / +65 °C |
| Management |
UniFi Network Controller 5.10.3+ |
| Certifications |
CE, FCC, IC, NDAA |
Datasheet
