What PoE configuration does this switch support?

This model includes one PoE++ port and four PoE+ ports. The provided data also lists total PoE availability as 46W with PoE++ or 60W PoE adapter input, 20W with PoE+ input, and 8W with PoE input. That information is useful when planning powered endpoints.

Can this switch be used in different installation environments?

Yes. The product is specified for indoor and outdoor use, and the form factor is listed as compact desktop, wall, or pole. That gives installers flexibility when choosing a mounting method or location within a deployment.

What Layer 2 features are listed for this switch?

The listed Layer 2 features include egress rate limit, flow control, port isolation, port mirroring, and jumbo frames. The tech specs also show support for 1,000 VLANs and a MAC address table size of 2,000, which are relevant for managed access-layer deployments.

What is the maximum PoE wattage per port?

The maximum PoE wattage per port is listed as 25W by PSE. This is important for evaluating whether connected powered devices fall within the switch’s per-port power limits, especially in designs using the four PoE+ output ports.

USW-FLEX-3 - Ubiquiti USW-FLEX-3 5-Port Layer 2 PoE Switch

Name: Ubiquiti USW-FLEX-3 5-Port Layer 2 PoE Switch
Brand: Ubiquiti
SKU: USW-FLEX-3

USW-FLEX-3 - Ubiquiti USW-FLEX-3 5-Port Layer 2 PoE Switch | US IT Hardware

Product overview

Ubiquiti UniFi Switch Flex 3-Pack, model USW-FLEX-3, is a 5-port Layer 2 Gigabit PoE switch designed for indoor and outdoor use. It provides five RJ45 Ethernet ports with one PoE++ port and four PoE+ ports. The switch supports 1G, 100M, and 10M port speeds and is managed as part of the UniFi switching platform. Power input options include PoE and a PoE++ source, with total PoE availability depending on the input used. The device is listed with a compact desktop, wall, or pole form factor, and it includes Layer 2 features such as egress rate limit, flow control, port isolation, port mirroring, and jumbo frames. For procurement teams, this model is suited to deployments that need a small PoE switch with flexible mounting and a mix of powered input and output ports.

Five RJ45 ports for wired access
1 PoE++ port and 4 PoE+ ports
Up to 46W total PoE availability
Layer 2 features for network control
Indoor and outdoor use support
Desktop, wall, or pole mounting

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

VLAN Support
Manufacturer part #	USW-FLEX-3
Brand	Ubiquiti
Condition	New
Layer	Layer 2
Model	USW-Flex-3
Series	UniFi
Technology	Layer 2 Gigabit Ethernet PoE switch
Form Factor	Desktop mountable
Product Line	UniFi Switch Flex
Product Name	Ubiquiti UniFi Switch Flex 3-Pack
Product Type	Managed Gigabit PoE switch 3-pack

Best for

PoE switching
The switch provides five RJ45 ports, including one PoE++ port and four PoE+ ports. This supports installations that need PoE input and PoE output on the same device.
Indoor/Outdoor use
The product is specified for indoor and outdoor use. Its compact desktop, wall, or pole form factor supports flexible placement in different environments.
Layer 2 access
It is a configurable Layer 2 Gigabit switch with features including port isolation, port mirroring, flow control, egress rate limit, and jumbo frames.

Frequently asked questions

How many Ethernet ports does the USW-FLEX-3 provide?

The USW-FLEX-3 provides five RJ45 Ethernet ports. The port layout includes one PoE++ port and four PoE+ ports, and the ports support 1G, 100M, and 10M speeds. That makes it a compact five-port switch for small wired deployments.

Details

Shipping, warranty & returns

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Mounting Options	Desktop, pole-mount, wall-mount

Enclosure Material	Weatherproof housing

Indoor Outdoor Use	Indoor and outdoor rated

Forwarding Rate per Switch	7 Mpps

Number of Units in Package	3 switches

Total Non Blocking Throughput per Switch	5 Gbps

Networking Ports & Interfaces

RJ45 Ports	5 Gigabit RJ45 ports per switch
LED Indicators	System LED, port status LEDs
PoE Output Modes	Supports 802.3af PoE output on four ports when powered by PoE++ input
PoE Input Standard	802.3at PoE+ on port 1
Ethernet Port Speed	10/100/1000 Mbps
PoE Output Standard	802.3af PoE on ports 2-5
PoE Input Voltage Range	44 to 57 VDC (PoE input)
PoE Input Type per Switch	802.3bt PoE++ input on 1 RJ45 port
PoE Input Ports per Switch	1x 10 100 1000 RJ45 PoE++ input port
PoE Output Ports per Switch	4x 10 100 1000 RJ45 PoE output ports
Network Management Interface	Managed via UniFi Network application
Switching Capacity per Switch	10 Gbps
Total PoE Power Budget per Switch	46 W

Ubiquiti USW-FLEX-3 5-Port Layer 2 PoE Switch