Ubiquiti Compact 5-Port Gigabit Switch
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AI Verdict
A 5-port Gigabit switch powered by PoE or USB-C, best for extending UniFi networks with basic VLAN needs.
This 5-port Gigabit switch is a situational fit for existing UniFi users who need to extend their managed network with basic VLAN support in a compact form factor, especially benefiting from PoE or USB-C power flexibility. Its lack of STP and limited VLAN trunking flexibility means it won't suit more complex network designs.
If you need advanced network redundancy or more granular VLAN control, look for switches that explicitly support Spanning Tree Protocol and selective VLAN trunking.
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Pros
- Compact footprint allows for flexible placement in tight spaces.
- Powered by 802.3af/at PoE or USB Type-C, reducing the need for a dedicated power adapter.
- Integrates with UniFi Controller for centralized management and port-level VLAN configuration.
- Supports Jumbo frames and flow control for efficient data transfer.
- Energy-efficient design, drawing around 1.3W at idle.
Cons
- Runs hot, with some users reporting temperatures up to 60°C under load.
- The included 5W USB-C power supply may be insufficient, as the switch can draw almost 7W with all ports connected.
- Does not support Spanning Tree Protocol (STP), limiting its use in redundant network designs.
- VLAN trunk ports cannot selectively allow tagged traffic; they pass all tagged VLANs.
- Lacks Power over Ethernet (PoE) out functionality to power connected devices.
Dimension Scores
While rated for Gigabit, some user reports indicate potential frame drops under moderate load, suggesting inconsistent performance under stress.
User experiences vary, with some reporting stable operation while others note concerning heat generation that could affect long-term stability.
Integrates seamlessly into the UniFi ecosystem, offering centralized configuration and port-level management through the UniFi Controller.
Provides VLAN configuration and storm control per port, but omits Spanning Tree Protocol for more robust network security and redundancy.
Best For
- Extending an existing UniFi network to a desk or entertainment center with a few devices.
- Users needing managed VLAN capabilities for network segmentation in a small footprint.
- Deployments where a single PoE cable can power the switch and provide network connectivity.
Not Recommended For
- Networks requiring Spanning Tree Protocol for redundancy or loop prevention.
- Users needing PoE out to power other devices like IP cameras or access points.
- Environments with high ambient temperatures or poor airflow due to reported heat generation.
Watch Out For
- The switch can reach temperatures of 55-60°C, making it uncomfortable to touch.
- The included 5W USB-C power adapter might be undersized, with the switch drawing almost 7W with all ports connected.
- VLAN trunking is limited; you can't selectively allow specific tagged VLANs, only all of them.
- Performance issues like frame drops have been reported under moderate loads, especially with VLAN tagging, though this is more prominent for the 2.5G variant.
Full Specifications
| UPC | 810010071668 |
| ASIN | B08ML5B6BT |
| Brand | Ubiquiti Networks |
| Color | Information Not Available |
| Voltage | 12 Volts |
| Language | English |
| Batteries | 1 AA batteries required. |
| Item Weight | 5.3 ounces |
| Manufacturer | UBIQUITI |
| Case Material | Metal |
| Maximum Power | 2.5 Watts |
| Current Rating | 1 Amps |
| Interface Type | PoE |
| Number of Ports | 5 |
| Item model number | USW-Flex-Mini-3 |
| Compatible Devices | Desktop |
| Product Dimensions | 2.8"L x 4.2"W x 0.8"H |
| Included Components | Information Not Available |
| Lower Temperature Rating | 1 Degrees Celsius |
| Upper Temperature Rating | 77 Degrees Fahrenheit |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Many users are drawn to this switch for its compact size and the convenience of being powered by either PoE or USB-C, making it easy to tuck away in tight spaces or entertainment centers. However, a recurring concern is the heat it generates, with some reports of it becoming uncomfortably hot to the touch, especially when fully utilized. While its integration with the UniFi ecosystem for managed VLANs is a definite plus for existing Ubiquiti users, some find its feature set, like the lack of Spanning Tree Protocol and limited VLAN trunking, less flexible than desired for more complex network setups.
“Man, this thing gets so hot, I swear it's gonna melt my desk, but it does let me split my IoT stuff onto its own VLAN, so I guess it's fine for my TV setup.”
Common Praise
- Small physical size allows for easy placement in confined areas.
- Flexible power options via 802.3af/at PoE or USB Type-C are highly convenient.
- Seamlessly integrates and is managed through the UniFi Controller software.
- Allows for port-level VLAN configuration for network segmentation.
- Considered a cost-effective way to expand a UniFi network with managed capabilities.
Common Complaints
- The device can get very hot, with reported temperatures reaching 55-60°C.
- The included 5W USB-C power supply appears to be underpowered for the switch's maximum consumption.
- Lacks support for Spanning Tree Protocol (STP), limiting its use in redundant network designs.
- VLAN trunk ports can only pass all tagged traffic, not selectively chosen VLANs.
- No Power over Ethernet (PoE) output to power connected devices.
Ownership Tips
- The heat generation is noticeable, so ensure it has adequate ventilation, especially if placed in an enclosed space.
- If you're pushing all five ports with active devices, consider a higher-wattage USB-C power adapter than the included 5W one.
- While it does VLANs, don't expect the same granular control as larger, more expensive managed switches.
- It's really best if you're already using UniFi; otherwise, the management aspect might be overkill or less intuitive.
Frequently Asked Questions
Can this switch power other devices via PoE?
No, this switch supports PoE In (to power itself) but does not provide PoE Out to power other devices.
Does it support VLANs?
Yes, it supports VLAN configuration per port and integrates with the UniFi Controller for management.
How is it powered?
You can power it using an 802.3af/at PoE input or via the included USB Type-C power adapter.
Does this switch run hot?
Some users have reported the switch getting uncomfortably hot, reaching temperatures around 55-60°C, especially when all ports are active.
Is it a managed switch?
Yes, it's a managed switch that integrates with the UniFi Controller for configuration and monitoring.
Buying Guide
When looking at network switches, you're basically deciding how many devices you need to connect and how smart you want that connection to be. A 'managed' switch like this one means you can tell each port what to do, like separating your smart home gadgets from your main computers using VLANs. But 'managed' doesn't always mean 'everything,' so check for specific features you need.
Ports
This tells you how many Ethernet cables you can plug in. A 5-port switch is for small expansions, like adding a few devices to your TV stand or home office.
PoE (Power over Ethernet)
This switch can be powered *by* PoE, meaning if your main network switch or router sends power over the Ethernet cable, you don't need a separate power adapter for this switch. It's super handy for clean setups.
VLAN (Virtual Local Area Network)
This lets you create separate virtual networks on the same physical switch. For example, you can put all your security cameras on one VLAN and your family's computers on another, keeping them isolated for security or performance.
Alternatives
If you need to power devices like IP cameras or wireless access points directly from the switch, look for models that specify 'PoE Out' or 'PoE+' on their ports. For complex network topologies requiring redundancy, prioritize switches with Spanning Tree Protocol (STP) support.
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