• 3 Pack UniFi USW Flex Switches
  
• Smart Layer 2 Managed Switch
  
• 5x Gigabit Ethernet Ports Per Switch
  
• 1x PoE Input Port
  
• 4x PoE+ Output Ports
  
• 46W PoE Budget
  
• UniFi Network Management
  
• Compact Wall or Pole Mount Design
  
• Auto-Sensing 802.3af PoE Support
  
• Easy Network Expansion

UniFi Switch Flex (USW-Flex-3)
Versatile 5-Port PoE Switch for Indoor/Outdoor Use
The USW-Flex is a compact, Layer 2 managed switch featuring five Gigabit Ethernet ports, including four PoE+ outputs and one PoE++ input. With a 46W total PoE budget, it supports flexible mounting options (desktop, wall, pole) and is weather-resistant for outdoor deployments. Ideal for powering UniFi devices like cameras and access points, it integrates seamlessly with the UniFi Network platform.

SPECIFICATIONS

Dimensions
122.5 x 107.1 x 28 mm
(4.8 x 4.2 x 1.1")
Port Layout
1 GbE RJ45
5 (4 PoE+; 1 PoE++)
(1G/100M/10M)
Max. PoE Output
Up to PoE+
Total PoE Availability
PoE++/60W PoE adapter input: 46W
PoE+ input: 20W
PoE input: 8W
Form Factor
Compact desktop, wall, pole

Performance
Switching Capacity
10 Gbps
Total Non-Blocking Throughput
5 Gbps
Forwarding Rate
7 Mpps
Supported VLANs
1,000
MAC Address Table Size
2,000

Layer 2 Features
Egress Rate Limit
✓
Flow Control
✓
Port Isolation
✓
Port Mirroring
✓
Jumbo Frames
✓

Hardware
PoE Ports
PoE+
4
PoE++
1
Max. PoE Wattage per Port by PSE
PoE+
25W
Max. Power Consumption
5W (Excluding PoE Output)
51W (Including PoE Output)
Power Method
PoE++
Power Input Method
PoE
Supported Voltage Range
50–57V PoE
Management
Ethernet
Heat Dissipation
17.1 BTU/hr (Excluding PoE Output)
Outdoor Ready
✓
Weight
230 g (8.1 oz)
ESD Protection
Air/contact: ± 16kV
Ambient Operating Temperature
46W PoE output: -40 to 55° C (-40 to 131° F)
25W PoE output: -40 to 65° C (-40 to 149° F)
Ambient Operating Humidity
5 to 95% noncondensing
NDAA Compliant
✓
Certifications
CE, FCC, IC, Anatel: 14502-20-08356

Software
Application Requirements
UniFi Network
Version 5.10.3 and later