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Ubiquiti UniFi Ultra

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Excl. VAT: £77.70 Incl. VAT: £93.24
SKU USW-Ultra

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UniFi Ultra – Compact 8-Port Gigabit PoE Switch with Flexible Power Options

The UniFi Ultra is a compact Layer 2 switch that delivers reliable gigabit connectivity with PoE support, making it a versatile addition to UniFi deployments. It features seven Gigabit PoE+ output ports and one Gigabit PoE++ input port, providing up to 42W PoE budget when powered by PoE++ and 16W when powered by PoE+.

Designed for flexible installations, the Ultra can be powered via PoE+/PoE++ input or AC power when PoE output is required. Its compact form factor and multiple mounting options make it suitable for offices, retail spaces, and hospitality environments where space efficiency and clean network integration are essential.

Offering simple management through the UniFi Network application, the UniFi Ultra is an easy-to-deploy switch that combines reliable power delivery with gigabit performance in a space-saving design.


Tech Specs

Click here for the UniFi Ultra 42W Switch datasheet.

Device Specifications
Overview
Dimensions 203 x 76 x 33 mm
Port Layout 1 GbE RJ45
8 (7 PoE+; 1 PoE++ input)
(1G/100M/10M)
Max. PoE Output Up to PoE+
Total PoE Availability PoE++ input: 42W
PoE+ input: 16W
60W PoE adapter input: 42W
60W AC adapter input: 52W
210W AC adapter input: 202
Form Factor Compact desktop, wall, magnetic
Performance
Switching Capacity 16 Gbps
Total Non-Blocking Throughput 8 Gbps
Forwarding Rate 12 Mpps
Supported VLANs 256
MAC Address Table Size 4,000
Layer 2 Features
Features STP & RSTP ✓
Egress Rate Limit ✓
Flow Control ✓
Storm Control ✓
Multicast & Broadcast Rate Limiting ✓
Port Isolation ✓
Port Mirroring ✓
Jumbo Frames ✓
Loop Protection ✓
Hardware
PoE Ports PoE+ : 7
PoE++ : 1
Max. PoE Wattage per Port by PSE PoE+ : 30W
Max. Power Consumption 9W (Excluding PoE Output) with PoE input
8W (Excluding PoE Output) with adapter input
210W (Including PoE Output) with 210W AC adapter input
Power Method (1) AC/DC adapter (Excluded)
(1) PoE++
Power Input Method DC Input
PoE
Supported Voltage Range 50—57V DC/PoE
Management Ethernet
Heat Dissipation (Excluding PoE Output) 30.708 BTU/hr
27.296 BTU/hr
Weight Device: 320 g (11.3 oz)
Wall mount: 45 g (1.6 oz)
Enclosure Material Polycarbonate
Mount Material Polycarbonate
Ambient Operating Temperature PoE++ input: -30 to 60° C (-22 to 140° F)
60W AC adapter input: -20 to 45° C (-4 to 113° F)
210W AC adapter input: -20 to 60° C (-4 to 140° F)
Ambient Operating Humidity 10 to 90% noncondensing
NDAA Compliant
Certifications CE, FCC, IC, Anatel
Software
Application Requirements UniFi Network
Version 8.0.28 and later

 

FAQs

Q: What is the Ubiquiti USW-Ultra and what is it used for?
A: The USW-Ultra is a high-performance Layer 3 UniFi switch designed for enterprise and data center networks, offering advanced multi-gigabit connectivity and PoE++ support.

Q: How many ports and what types does the USW-Ultra include?
A: It has 24 multi-gigabit RJ45 ports and multiple 10G/25G SFP+ uplink ports, providing high-speed connectivity for servers, access points, and other network devices.

Q: Does the USW-Ultra support PoE?
A: Yes, all RJ45 ports support PoE++ (802.3bt), allowing high-powered devices such as UniFi access points and cameras to be powered directly through the switch.

Q: What Layer 3 features are available on the USW-Ultra?
A: The USW-Ultra supports VLANs, static routing, link aggregation, and advanced network segmentation, making it suitable for complex enterprise environments.

Q: How is the USW-Ultra managed?
A: It integrates with the UniFi Network Application, providing centralised configuration, monitoring, performance analytics, and firmware updates for large-scale deployments.

Resources

Ubiquiti UniFi Setup Guide for Small Holdings — MS Dist