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Ubiquiti Flex Mini 2.5G

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Overview of the Ubiquiti Flex Mini 2.5G​

The Ubiquiti Flex Mini 2.5G is a compact managed switch with 5x 2.5 GbE RJ45 ports, providing affordable 2.5 Gigabit Ethernet connectivity at around $49. It is designed for home networks, small offices, or as a desk switch to connect multiple 2.5G-capable devices.

Specifications​

Hardware​

  • Ports: 5 × 2.5 GbE RJ45
  • Dimensions: 117.1 × 90 × 21.2 mm (4.6 × 3.5 × 0.8 inches)
  • Weight: 206 g (7.3 oz)
  • Enclosure: Polycarbonate
  • Power: PoE input or USB-C power adapter included
  • Power Consumption: 5W (AC/DC input), 6.4W (PoE input)
  • Operating Temperature: -20 to 45 °C (-4 to 113 °F)

Performance​

  • Total Non-blocking Throughput: 12.5 Gbps
  • Switching Capacity: 25 Gbps
  • Forwarding Rate: 18.6 Mpps

Networking Features​

  • Layer 2 switching
  • STP / RSTP with priorities
  • Port isolation and mirroring
  • Storm control
  • Multicast / broadcast rate limiting
  • Flow control
  • Jumbo frame support
  • Egress rate limiting
  • VLAN tagging and management

Management​

  • Managed via UniFi Network application (v8.4.62 and later)
  • Ethernet in-band management

Additional Notes​

  • No PoE output or link aggregation support
  • No Layer 3 or 802.1X support
  • Factory reset button included
  • LED indicators for power and traffic activity

The Flex Mini 2.5G is a notable upgrade over the original Flex Mini, with faster speeds and improved VLAN features.

Closing Thoughts​

This switch is a great choice for adding reliable 2.5GbE to your network affordably while maintaining user-friendly features.

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