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Voltarum Mini Switch Guide
ES

Ubiquiti · 2.5 GbE

Ubiquiti UniFi Flex Mini 2.5G (USW-Flex-2.5G-5)

Highly recommended

Five 2.5 GbE ports in a palm-sized box, powered by USB-C or PoE, for $49.

Ports
5 × 2.5 GbE
Management
Managed
PoE
No

Great fit for: 2.5 GbE network · Silent

from $49 (typical price)

Researched from manufacturer data and public reviews; not tested by us.· Last reviewed Oct 29, 2026

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What it is good for

Derived from the specs

Our rules applied to its specs. The reasons come from the data in the specification table. How the verdicts are decided

  • 2.5 GbE networkGreat fit
    • 5 RJ45 ports at 2.5 GbE or faster
  • 10 GbENot suitable
    • No 10 GbE port
  • VLANsGood
    • 802.1Q tagged VLANs
    • Configured from a controller app (UniFi Network), not from its own web page
    • Smart switch: simple web page, fine for a few VLANs
  • PoENot suitable
    • It can be powered by PoE, but supplies none
  • Homelab coreLimited
    • 5 ports, VLANs
    • 5 × 2.5 GbE, no 10 GbE
    • Fewer than 8 ports
  • 10-inch rackGood
    • 117.1 mm wide: fits on a 10-inch shelf
    • 21.2 mm high: 1U
  • SilentGreat fit
    • No fan
    • 6.4 W at most without PoE

Where to buy

Prices are editorial references (the maker's list price, or a price seen on the date shown), not live prices. Many makers publish no price: check the retailer.

Prices are shown only if updated in the last 24 hours and may change; the retailer’s price at checkout applies. We may earn a commission from these links at no cost to you. Affiliate disclosure

Overview

Editorial opinion

Best for: A cheap 2.5 GbE switch with VLANs in a UniFi network.

Editorial opinionWould we buy it today?

Yes, the best value in small 2.5 GbE switches, especially if you use UniFi.

Pros and cons

Editorial opinion

Pros

  • 5 × 2.5 GbE at a gigabit price
  • Runs off PoE or USB-C
  • VLANs from UniFi

Cons

  • Needs a UniFi controller
  • Plastic case

Specifications

Factual data
General
Manufacturer
Ubiquiti
Management
Smart / web-managed
Form factor
Palm-sized (under 12 cm)
Availability
On sale
Ports
2.5 GbE RJ45
5
Port notes
One port can take PoE to power the switch
Switching capacity
25 Gbps
Power over Ethernet
PoE output ports
None
Can be powered by PoE
Yes
Management
How it is managed
UniFi Network application (controller or UniFi gateway)
802.1Q VLANs
Yes
Link aggregation
No
IGMP snooping
No
Configurable QoS
No
Port mirroring
No
Loop prevention
No
Needs a controller app
Yes
Power, cooling and size
Power input
USB-C 5 V or PoE in
Power supply
External adapter
Max power (without PoE output)
6.4 W
Cooling
Fanless (silent)
Case
Plastic
10-inch rack
No rack kit
Size (W × D × H)
117.1 × 90 × 21.2 mm
Weight
206 g

Source: Manufacturer specifications

Measured

Factual data

Measured values with their source. We never invent figures.

No measured values yet.

Alternatives

10 GbE

MikroTik CRS304-4XG-IN

Ports
4 × 10 GbE + 1 × 1 GbE
PoE
No
Max power
21 W

Great fit for: 2.5 GbE network · 10 GbE · VLANs

Four 10 GbE RJ45 ports, fanless, with RouterOS, for $199.

from $199 (list price)Highly recommended

10 GbE

Ubiquiti UniFi Flex XG (USW-Flex-XG)

Ports
4 × 10 GbE + 1 × 1 GbE
PoE
No
Max power
25 W

Great fit for: 2.5 GbE network · 10 GbE · VLANs

Four 10 GbE RJ45 ports managed from UniFi, powered by PoE+ or USB-C.

No reference price: check the storeRecommended

2.5 GbE + 10 GbE

MikroTik CRS310-8G+2S+IN

Ports
2 × SFP+ + 8 × 2.5 GbE
PoE
No
Max power
21 W

Great fit for: 2.5 GbE network · VLANs · Homelab core · 10-inch rack

Eight 2.5 GbE ports, two 10 GbE SFP+ and full RouterOS management in a 200 mm metal box.

from $219 (list price)Highly recommended