Ubiquiti UniFi Switch Ultra — Compact 8-Port PoE Switch

The UniFi Switch Ultra (USW-Ultra) is a compact, fan-less Layer 2 switch offering 8 Gigabit RJ45 ports—seven deliver PoE+ power (up to 30 W each), and one serves as a PoE++ input. With versatile mounting options (desktop, wall, or magnetic), it provides up to 42 W PoE budget via PoE++ input—making it ideal for powering devices like cameras and IP phones seamlessly.

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Description

The USW-Ultra is a sleek, ultra-compact UniFi switch designed for environments where space is at a premium. It features seven Gigabit RJ45 ports with PoE+ output (30 W max per port) and a single RJ45 port that can serve as PoE++ input for switch power and PoE distribution. The total PoE budget depends on the power source: up to 42 W via PoE++, 16 W via PoE+ input, or significantly higher totals when paired with optional AC adapters (up to 202 W with 210 W adapter).

Although compact, the switch delivers full Gigabit Layer 2 performance with 16 Gbps switching capacity, 8 Gbps non-blocking throughput, and 12 Mpps forwarding rate. It supports robust Layer 2 features like STP, storm control, flow control, port mirroring, and jumbo frames—all manageable using the UniFi Network Controller.

Its fanless design, lightweight polycarbonate housing, and flexible mounting (desktop, wall, or magnetic) enable versatile installations—from hidden behind TVs to under desks or in cabinets.


Application

Edge PoE deployments for cameras, VoIP phones, compact office environments, wall-mounted entry-level networks, and home automation hubs.


Key Features

  • 7 × Gigabit RJ45 PoE+ ports (30 W max each)

  • 1 × RJ45 PoE++ port for switch power (up to 60 W input)

  • Multiple power input options: PoE++, PoE+, or AC adapters (60 W or 210 W)

  • 16 Gbps switching capacity; 8 Gbps non-blocking throughput; 12 Mpps forwarding

  • Comprehensive Layer 2 features: STP/RSTP, QoS, mirroring, jumbo frames, rate limits

  • Fanless and mountable (desktop, wall, magnetic) for discrete installations

  • Lightweight polycarbonate body (320 g) with rugged simplicity

  • Managed via UniFi Network ecosystem (Controller or mobile app)

  • NDAA and CE/FCC/IC/Anatel compliant

Specifications

Specification Details
Brand Ubiquiti
Model / Product Code UniFi Switch Ultra (USW-Ultra)
Ports 7 × Gigabit RJ45 PoE+; 1 × Gigabit RJ45 PoE++ (input only)
Switching Capacity 16 Gbps
Non-Blocking Throughput 8 Gbps
Forwarding Rate 12 Mpps
Power Options PoE++ input (up to 42 W), PoE+ input (16 W), 60 W or 210 W AC adapters
Mounting Options Desktop, wall, or magnetic
Body Material Polycarbonate
Weight 320 g (device); Wall mount: 45 g
Layer 2 Features STP/RSTP, flow control, storm control, port isolation, mirroring, jumbo frames, rate limiting
Management Interface UniFi Network Controller / Mobile App
Certifications NDAA compliant; CE, FCC, IC, Anatel
Max PoE Input Budget PoE++ input: 42 W; PoE+ input: 16 W; 60 W adapter: 42 W; 210 W adapter: 202 W
Power Consumption (Non-PoE) ~9 W (PoE input); ~8 W (adapter input)
Operating Temp/Humidity –30 to 60 °C (PoE input); –20 to 45 °C (60 W adapter)

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