
Switch Flex Mini 2.5G
USW-Flex-2.5G-5 · US Version
Compact, 5-port 2.5G switch that can be powered with PoE or a USB-C adapter.Key features (4) 2.5 GbE ports (1) 2.5 GbE PoE input port for power Optional powering with...
Or build it into a bundle — save up to 15% ↓What it is, and who it is for.

What it needs to run
PoE power and a UniFi Network host. If you have neither, both are in the bundle builder below.
Compact, 5-port 2.5G switch that can be powered with PoE or a USB-C adapter.
Key features
(4) 2.5 GbE ports
(1) 2.5 GbE PoE input port for power
Optional powering with included 5V, 1A USB-C adapter
Note. EU version comes with EU power plug only.
Specifications
Overview
| Dimensions | 117.1 x 90 x 21.2 mm (4.6 x 3.5 x 0.8") |
| 2.5 GbE RJ45 | 5 (2.5G/1G/100M/10M) |
| Form Factor | Compact desktop |
Performance
| Switching Capacity | 25 Gbps |
| Total Non-Blocking Throughput | 12.5 Gbps |
| Forwarding Rate | 19 Mpps |
| Supported VLANs | 256 |
| MAC Address Table Size | 4,000 |
Hardware
| Max. Power Consumption | 5W (AC/DC input) 6.4W (PoE input) |
| Power Method | (1) USB Type-C, 5V DC, 1A (1) PoE |
| Power Input Method | USB Input PoE |
| Power Supply | AC/DC, external, 5W |
| Supported Voltage Range | 4.8—5.2V DC/USB 44V—57V PoE |
| Management | Ethernet |
| Weight | 206 g (7.3 oz) |
| Enclosure Material | Polycarbonate |
| Ambient Operating Temperature | -20 to 45° C (-4 to 113° F) |
| Ambient Operating Humidity | 10 to 90% noncondensing |
| Certifications | CE, FCC, IC, Anatel |
Software
| UniFi Network | Version 8.6.9 and later |
Downloads & documents
Build around the Switch Flex Mini 2.5G.
It's already in your kit below. Add a gateway and PoE and the discount starts working. Discount tiers climb with the bundle — the bars fill as you build.
Type your address. We'll spec the building.
Square footage, floors, rooms, construction type — turned into an AP count, a switch size, and a gateway that fits. No guesswork, no overbuying.
Four quick questions size the kit. Property-records autofill is in the build phase.
Enter an address and the plan appears here —
property facts first, then the kit.
Pick the right one, not the biggest one
The honest line-up from switches. Most buyers reading this page should buy the middle column.
Asked before checkout
The questions our support inbox actually gets.
Does it ship the same day?+
Orders placed before 2 PM ET on a business day leave the same day from our bench in Altamonte Springs, FL. Tracking is emailed the moment the label prints.
What if it's the wrong size for my building?+
Return it. 30 days, no restocking fee, refund to the original payment method. Better: send us your floor plan first and we'll size the kit for free — half of all returns are sizing problems.
Who handles the warranty?+
We do. Everything carries the manufacturer's warranty and we run the claim for you — one email to us instead of a ticket queue overseas.
How does the bundle discount work?+
Add items to a kit in the bundle builder: 2+ items saves 5%, 3+ saves 8%, 4+ saves 12%, and 5+ saves 15% off the whole kit.



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