Ubiquiti UniFi Flex XG 4-port 10GbE with 1-port PoE input

The Ubiquiti UniFi Flex XG (USW-Flex-XG) is a compact, high-performance Layer 2 managed switch designed to deliver 10GbE speeds in space-constrained environments. Equipped with four 10G RJ45 ports and one Gigabit PoE+ input port, it offers a total non-blocking throughput of 41 Gbps and a switching capacity of 82 Gbps, making it ideal for high-bandwidth applications such as NAS, gaming, and high-speed server connections. The switch supports advanced Layer 2 features including LACP, VLANs, RSTP, port mirroring, and jumbo frames, ensuring robust network performance and flexibility.

It can be powered via PoE+ (50–57V DC) or the included 5V USB-C adapter, providing installation flexibility. With its slim polycarbonate enclosure (135 x 185 x 32 mm) and silent operation, the Flex XG is suitable for desktop or wall-mounted deployments. Management is centralized through the UniFi Network application (version 6.1.67 or later), offering intuitive configuration and monitoring capabilities.

🧰 Mechanical Specifications

• Dimensions: 135 × 185 × 32 mm (5.3 × 7.3 × 1.3 inches)

• Weight: 1.2 kg (2.65 lb)

• Enclosure Material: Polycarbonate

• Mounting Options: Desktop or wall mountable

⚡ Power Specifications

• Power Input Options:

  • PoE+: 50–57V DC, 25W (Pins 1, 2+/3, 6- or 4, 5+/7, 😎

  • USB Type-C: 5V DC, 5A (AC/DC adapter included)

• Supported Voltage Range (Adapter): 90–264V AC

• Max Power Consumption: 25W

• ESD/EMP Protection: Air: ±16kV, Contact: ±12kV

🌐 Networking Features

• Ports:

  • 1 × 10/100/1000 Mbps RJ45 Ethernet (PoE+ Input)

  • 4 × 100/1000/2500/5000/10,000 Mbps RJ45 Ethernet

• Total Non-Blocking Throughput: 41 Gbps

• Switching Capacity: 82 Gbps

• Forwarding Rate: 61.012 Mpps

• MAC Address Table Size: 16,000 entries

• Packet Buffer Size: 1.5 MB

• Supported VLANs: Up to 1,000

🔧 Layer 2 Features

• Link Aggregation: LACP (Link Aggregation Control Protocol)

• Spanning Tree Protocol: STP and RSTP with priorities and port-level disable

• Port Isolation: Yes

• Storm Control: Yes

• Voice VLAN: Yes

• Port Mirroring: Yes

• Multicast/Broadcast Rate Limiting: Yes

• MAC Address Blocking: Yes

• Flow Control: Yes

• 802.1X Control: Yes

• Jumbo Frames: Yes

• Loop Protection: Proprietary

• DHCP Snooping & Guarding: Yes

• Egress Rate Limiting: Yes

• LLDP-MED: Yes

• Port Restricted by MAC: Yes

• Device Isolation with ACLs: Yes

🌡️ Environmental Specifications

• Operating Temperature: -5 to 45°C (23 to 113°F)

• Operating Humidity: 10% to 90% non-condensing

• Certifications: CE, FCC, IC

📦 Included in the Box

• UniFi Flex XG Switch

• AC/DC Power Adapter: 5V DC, 5A, 1.5 m cord

• Quick Start Guide