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Ubiquiti UniFi Flex 10 GbE (USW-Flex-XG)
- 1 × Gigabit PoE+ input, 4 × 10GbE RJ45 ports
- Managed Layer 2 switch via UniFi Controller
- 82 Gbps switching capacity, 61 Mpps forwarding rate
- Fanless design in a compact enclosure
- Dual power options: PoE+ or USB-C (adapter included)
- Advanced Layer 2 features: VLANs, LACP, ACLs, jumbo frames
- NDAA compliant, suitable for government and enterprise use
The UniFi USW-Flex-XG is a compact 5-port 10GbE Layer 2 switch with four 10GbE RJ45 ports, PoE+ input, USB-C power option, fanless operation, and advanced UniFi Controller-based management.
Here are the detailed specifications for the UniFi USW‑Flex‑XG (aka Flex 10 GbE)
📦 Overview
- Model: USW‑Flex‑XG (UniFi Flex 10 GbE)
⚙️ Ports & Performance
- 1 × 1 GbE RJ45 (PoE+ input)
- 4 × 10 GbE RJ45 (1/2.5/5/10 GbE autonegotiating)
- Switching capacity: 82 Gbps
- Non-blocking throughput: 41 Gbps
- Forwarding rate: ~61 Mpps
🔌 Power & Cooling
- Powered via:
- PoE+ port (50–57 V DC, 25 W) or
- USB‑C (5 V ⎓ 5 A, external adapter included)
- Max power consumption: 25 W (excluding PoE passthrough)
- Cooling: Fanless, passive airflow through polycarbonate enclosure
🔄 Layer 2 Features
- Supports VLANs (up to 1,000), LACP port aggregation, STP/RSTP, IGMP snooping, jumbo frames
- Security features: ACLs (MAC/IP-based), DHCP snooping/guarding, port mirroring, flow control, storm/broadcast limiting, voice VLAN, LLDP-MED, loop protection
🏗️ Hardware & Physical
- Dimensions: 135 × 185 × 32 mm (5.3 × 7.3 × 1.3″)
- Weight: ~1.2 kg (2.7 lb)
- Enclosure: White polycarbonate
- ESD/EMP protection: ±16 kV air / ±12 kV contact
🌡️ Environment & Compliance
- Operating temp: –5 °C to +45 °C
- Humidity: 10–90% non-condensing
- Certifications: CE, FCC, IC; NDAA-compliant
🔧 Management
- Managed via: UniFi Network Controller v6.1.67 or later (Ethernet in-band)
- Functional controls: LED indicators, reset button
🧠 Community Notes
- Boot/Link delays: Some users report slow boot and link negotiation issues, requiring cable or firmware checks
- Thermal & reliability: Can run warm; may cause link instability under heavy load
✅ Quick Specs Summary
| Feature | Specification |
|---|---|
| Ports | 1 × GbE PoE+ input; 4 × 10 GbE RJ45 |
| Switching Capacity | 82 Gbps / 41 Gbps non‑blocking / ~61 Mpps |
| Power | PoE+ or USB‑C; max draw 25 W |
| Layer 2 | VLANs, LACP, STP/RSTP, IGMP, ACLs, QoS, jumbo, DHCP snooping |
| Cooling | Fanless / passive |
| Management | UniFi Controller in-band |
| Environment | –5 °C to +45 °C; NDAA compliant |
| Brand | Ubiquiti |
|---|
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