Ubiquiti UniFi 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.