Ubiquiti Flex Mini 2.5G
Network switch in Networking & smart home
People recommend it as a small, affordable PoE switch with VLAN support and good performance, and it works well outdoors. The most common caveat is that some units fail to adopt into UniFi and some drop frames under load.
People recommend it as a small, affordable PoE switch with VLAN support and good performance, and it works well outdoors. The most common caveat is that some units fail to adopt into UniFi and some drop frames under load.
7 people gave an opinion
- recommend it
- 6
- criticize it
- 1
- approval share
- 86%
Recommended in 3 of 13 months
- November 2025: recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 6 people recommend itNeeds 10 or more, not met.
- 6 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 3 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Affordable small PoE switch
“I can't find any other small PoE powered switches for a similar cost.”
Comment from 10 Mar 2026 in “Reverse-engineering the UniFi inform protocol” “Performance is good. Overall good and affordable piece of equipment.”
Comment from 17 Nov 2025 in “Ubiquiti Flex Mini 2.5G Review Ubiquiti Does a Cheap 5-Port 2.5GbE Switch” Solid performance, rock-solid uptime
“Performance is good. Overall good and affordable piece of equipment.”
Comment from 17 Nov 2025 in “Ubiquiti Flex Mini 2.5G Review Ubiquiti Does a Cheap 5-Port 2.5GbE Switch” “My flex has been rock solid and it's outside.”
Comment from 16 Nov 2025 in “Ubiquiti Flex Mini 2.5G Review Ubiquiti Does a Cheap 5-Port 2.5GbE Switch”
What people warn about
Each mark is one comment
Fails to adopt into UniFi
“I've never had one successfully be adopted by Unifi. No idea why.”
Comment from 15 Oct 2026 in “Wanted to download an ISO, ended up writing a kernel exploit” Drops frames under moderate load
“They heavily drop frames under even moderate loads (well under 2gbit).”
Comment from 16 Nov 2025 in “Ubiquiti Flex Mini 2.5G Review Ubiquiti Does a Cheap 5-Port 2.5GbE Switch” “All the Flex swithes I tried glitched”
Comment from 16 Nov 2025 in “Ubiquiti Flex Mini 2.5G Review Ubiquiti Does a Cheap 5-Port 2.5GbE Switch”
What people recommend instead
The same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| MikroTik switch | 14 | 4 | 78% | 9 | 3 yrs3 owners | Approved |
| Ubiquiti Flex Mini 2.5GThis page | 6 | 1 | 86% | 3 | — | — |
What people said
7 of the 8 comments that mention it, newest first. Each links to the original comment.
“I've never had one successfully be adopted by Unifi. No idea why.”
“they're semi-managed so I can do VLANs on them and power them over PoE”
“I can't find any other small PoE powered switches for a similar cost.”
“Performance is good. Overall good and affordable piece of equipment.”
“All the Flex swithes I tried glitched”
“My flex has been rock solid and it's outside.”
“They heavily drop frames under even moderate loads (well under 2gbit).”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.