Now on official Ubiquiti Support site
https://help.ubnt.com/hc/en-us/articles/360037335694-UniFi-Switch-Model-Comparison
Below is considered legacy
| Model | US-8 | US-8-60W | US-8-150W | US-16-150W | US-24 | US-24-250W US-24-500W | US-48 | US-48-500W US-48-750W |
|---|---|---|---|---|---|---|---|---|
| Wiki Link | UniFi Switch 8 | UniFi Switch 8-60W | UniFi Switch 8-150W | UniFi Switch 16-150W | UniFi Switch 24/48 | UniFi Switch PoE 24/48 | UniFi Switch 24/48 | UniFi Switch PoE 24/48 |
| Rackmount | No | No | No | Yes | Yes | Yes | Yes | Yes |
| Gigabit RJ45 Ports | 8 | 8 | 8 | 16 | 24 | 24 | 48 | 48 |
| SFP Ports | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 |
| SFP+ Ports | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
| Passive PoE | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ||
| 802.3af/at PoE+ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | |||
| 802.3bt PoE++ | ||||||||
| Sound Level* (dBr) | 0.7 (fanless) | 0.6 (fanless) | 0.5 (fanless) | 1.7 ‐ 10.8 | 1.6 - 9.2 | 9.1 - 21.2 9.3 - 21.6 | 0.7 ‐ 13.5 | 10.7 ‐ 23.6 12.1 ‐ 24.7 |
| Performance | US-8 | US-8-60W | US-8-150W | US-16-150W | US-24 | US-24-250W US-24-500W | US-48 | US-48-500W US-48-750W |
| Total Non‐Blocking Throughput | 8 Gbps | 8 Gbps | 10 Gbps | 18 Gbps | 26 Gbps | 26 Gbps | 70 Gbps | 70 Gbps |
| Switching Capacity | 16 Gbps | 16 Gbps | 20 Gbps | 36 Gbps | 52 Gbps | 52 Gbps | 140 Gbps | 140 Gbps |
| Forwarding Rate | 11.9 Mpps | 11.9 Mpps | 14.88 Mpps | 26.78 Mpps | 38.69 Mpps | 38.69 Mpps | 104.16 Mpps | 104.16 Mpps |
| Max Power | 12w | 12w | 20w | 28w | 25w | 30w | 56w | 64w |
| Max Power Consumption PoE | 60w | 150w | 150w | 250w 500w | 500w 750w |
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| PoE Per Port | US-8 | US-8-60W | US-8-150W | US-16-150W | US-24 | US-24-250W US-24-500W | US-48 | US-48-500W US-48-750W |
| Max. PoE+ Wattage per Port by PSE | 15.4W | 34.2W | 34.2W | 34.2W | 34.2W | |||
| Voltage Range 802.3at Mode | 57VDC to 44VDC | 50-57V | 50-57V | 50-57V | 50-57V | |||
| Max. Passive PoE Wattage per Port | PoE Mode 1: - 12W @ 802.3at PoE Mode 2: - 12W @ 48V DC Input Mode: - 12W @ 48V | 17W | 17W | 17W | 17W | |||
| 24V Passive PoE Voltage Range | Depends on Source | 20-27W | 20-27W | 20-27W | 20-27W |