Ubiquiti Ultra 42W Layer 2 8-port GbE PoE Switch - USW-Ultra
A compact, Layer 2, 8-port GbE PoE switch with versatile mounting options.
Note. PoE input is supported for switch operation, with PoE+/PoE++ input or AC power required for PoE output.
| Device Specifications | |
|---|---|
| Physical | |
| Dimensions | 203 x 76 x 33 mm (8 x 3 x 1.3") |
| Form Factor | Compact desktop, wall, magnetic |
| Enclosure Material | Polycarbonate |
| Mount Material | Polycarbonate |
| Ports & Power | |
| Port Layout | 1 GbE RJ45 (8 ports: 7 PoE+, 1 PoE++ input) (1G/100M/10M) |
| PoE Ports | 7x PoE+, 1x PoE++ |
| Max. PoE Wattage per Port | PoE+: 30W |
| 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: 202W |
| 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 |
| Power Method | (1) AC/DC adapter (excluded), (1) PoE++ |
| Power Input Method | DC input, PoE |
| Supported Voltage Range | 50–57V DC/PoE |
| 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 | |
| STP & RSTP | Yes |
| Egress Rate Limit | Yes |
| Flow Control | Yes |
| Storm Control | Yes |
| Multicast & Broadcast Rate Limiting | Yes |
| Port Isolation | Yes |
| Port Mirroring | Yes |
| Jumbo Frames | Yes |
| Loop Protection | Yes |
| Environmental | |
| Heat Dissipation | 15 BTU/hr (excluding PoE output) |
| Operating Temperature |
PoE++ input: -30 to 60C (-22 to 140F) 60W AC adapter input: -20 to 45C (-4 to 113F) 210W AC adapter input: -20 to 60C (-4 to 140F) |
| Operating Humidity | 10 to 90% non-condensing |
| Compliance | |
| NDAA Compliant | Yes |
| Certifications | CE, FCC, IC, Anatel: 06367-24-08356 |
| Software | |
| Application Requirements | UniFi Network version 8.0.28 or later |











