SKU: 21635170888

Ubiquiti Flex 2.5G, Flexible, 8-port 2.5 GbE Switch,10 GbE RJ45/SFP+ Combination Uplink Port, Powered With USB-C /PoE+ adapter[PC]

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Description

Ubiquiti Flex 2.5G, Flexible, 8-port 2.5 GbE Switch,10 GbE RJ45/SFP+ Combination Uplink Port, Powered With USB-C /PoE+ adapter[PC]Flex 2. 5G Flexible, 8 port 2. 5 GbE switch with a 10 GbE RJ45 SFP+ combination uplink port that can be powered with a USB C or PoE+ adapter. (8) 2. 5 GbE RJ45 2. 5 Gbps Downlink Speed 10 Gbps Uplink Speed AC power or PoE+ input Compact Versatility The Flex 2. 5G is a compact, 8 port switch that delivers 2. 5 Gigabit Ethernet speeds, enabling faster data transfer for bandwidth intensive applications. Its small form factor makes it ideal for space

Flex 2.5G

Flexible, 8-port 2.5 GbE switch with a 10 GbE RJ45/SFP+ combination uplink port that can be powered with a USB-C or PoE+ adapter.

(8) 2.5 GbE RJ45
2.5 Gbps Downlink Speed
10 Gbps Uplink Speed
AC power or PoE+ input

Compact Versatility

The Flex 2.5G is a compact, 8-port switch that delivers 2.5 Gigabit Ethernet speeds, enabling faster data transfer for bandwidth-intensive applications. Its small form factor makes it ideal for space-constrained environments, such as home offices or small businesses.

Flexible Power Options: USB-C or PoE+

Designed for versatility, the switch can be powered either with a USB-C or PoE+ adapter. This dual power capability ensures easy integration into existing network setups without the need for additional power infrastructure.

10 GbE RJ45/SFP+ Combo Port

Equipped with a 10 GbE RJ45/SFP+ combination uplink port, the Flex 2.5G ensures flexible and high-speed connectivity to aggregation switches or core networks.

UniFi Integration

Seamlessly integrates with the UniFi ecosystem, allowing for simple setup and centralised management through the UniFi Network application. Gain full visibility and control of your switch and connected devices with just a few clicks.

Deployment

Technical Specs
Overview
Dimensions
212.9 x 76 x 33.5 mm
(8.4 x 3 x 1.3")
Port Layout
2.5 GbE RJ45: 8
(2.5G/1G/100M/10M)

10 GbE RJ45: 1
(10G/5G/2.5G/1G/100M)

10G SFP+: 1
Form Factor
Compact Desktop, wall, DIN, magnetic
Performance
Switching Capacity
60 Gbps
Total Non-Blocking Throughput
30 Gbps
Forwarding Rate
45 Mpps
Supported VLANs
256
MAC Address Table Size
4,000
Layer 2 Features
STP & RSTP
Yes
Egress Rate Limit
Yes
Flow Control
Yes
Storm Control
Yes
Multicast & Broadcast Rate Limiting
Yes
Port Isolation
Yes
Port Mirroring
Yes
Jumbo Frames
Yes
Loop Protection
Yes
Hardware
Max. Power Consumption
14W with PoE input
14W with AC adapter input
Power Method
(1) USB Type-C, 5V DC, 3A
(1) PoE+
Power Input Method
USB Input
PoE
Power Supply
AC/DC, external, 15W
Supported Voltage Range
4.8–5.2V DC/USB
44V–57V PoE
Management
Ethernet
Weight
395 g (0.87 lb)
Enclosure Material
Polycarbonate
Mount Material
Polycarbonate
Ambient Operating Temperature
-20 to 45° C (-4 to 113° F)
Ambient Operating Humidity
10 to 90% noncondensing
Certifications
CE, FCC, IC
NDAA Compliant
Yes
Software
Application Requirements
UniFi Network: Version 9.0.114 and later

 




Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21635170888

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4.5 ★★★★★
Based on 29 reviews
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Product Reviews
S
Verified Purchase
Stephen Roth
Cuba, US
★★★★★ 5
Great purchase
Color: Black/White/Black, Color: Black/White/Black
The perfect watch for my eyes. White background with black hour and the second hand. Standard stuff… It’s all about the simple things that matter to me. The indigo green light might not appeal to everyone (look at the price). The band is fabric with Velcro to adjust. I’ve work this watch day and night. A near perfect fit. Easy to adjust and it’s comfortable for me, the look is just right for me. A no brainer to set up immediately. Time (?) will tell about minute creep or over all durability, A nice affordable watch that I I’ll wear everyday under all conditions. If I loose it I’ll buy another one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
F
Verified Purchase
FelixtheReader
Battle Creek, US
★★★★★ 5
Inexpensive Box Checker That Works Great!
Color: Black/White/Black
Although I have a few watches I was looking for something that was more camping specific. Something that was EASILY legible to my 56 year old vision - both in daytime and night. I needed it to have some waterproofness ability as I would also using it for kayaking. I had a Timex Expedition watch with a black dial that I gave to my son as I wanted one with a white face which I find easier to read. I gave this watch some serious consideration after seeing so many YTbers give Timex field watches the thumbs up. I came upon this model and then when I saw one available under $30 it became a no-brainer! I used it recently for its intended purpose - a 3 day camping weekend. So here are my observations. The strap is probably the only negative to the watch for me as I have big hands and need to undo it completely to feed the strap through the buckle. A minor hindrance. Once its on it's light and comfortable. I may eventually change out the strap...or I may not. The watch is easily legible and nothing, I MEAN NOTHING, beats Timex's "Indiglo" feature for nighttime. Forget "watch lume" as nothing is a visibly legible at nights as "Indiglo". I have a Casio watch that has a light feature but that cannot hold a candle to this watch's nighttime ability. On a kayak trip, I overturned the kayak and the watch was in the water so it held up nicely for that. The watch is rated for 100M so that was nothing for it I know. It's hard to find a watch that does so much at this price point. I would definitely recommend it for someone looking for the features that it has in an inexpensive package.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 24, 2020
A
Verified Purchase
Andrey C
Charlottesville, US
★★★★★ 3
Decent watch, bad warranty.
Color: Black/White/Black
Decent watch, good design, solid strap. Bad warranty. I spent a little bit more money to get a better quality product with a name brand warranty, and I feel like it was a waste of money. The backlight stopped working within 6 months. I replaced the battery, but it didn't help. I started the process of a warranty repair with Timex, but then found out they have a $8 fee for in-warranty repair. With the cost of the watch being what it is, I'll just deal with the broken backlight. Next time I'll spend less money on cheap disposable non-brand name watches
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 20, 2025
H
Verified Purchase
Harold the Barrel
Bozeman, US
★★★★★ 5
EXCELLENT WATCH FOR THE MONEY
Color: Black
The watch is reliable, well-made and looks high-end on the wrist. Excellent watch for the money!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
D
Verified Purchase
DW
Draper, US
★★★★★ 5
Fresh af
Color: Black
Gorgeous watch. Classic, great quality. Highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026

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