| Specification | |
| Downlink Ports | 24 Ethernet 10/100/1000 ports |
| Uplink Ports | 4 Gig SFP |
| MAC Address Table | 16K MAC |
| Dimensions (W x D x H) | S1720-28GWR-4P-E: 442 mm x 220 mm x 43.6 mm S1720-28GWR-PWR-4P-E: 442 mm x 310 mm x 43.6 mm |
| Input Voltage | 100V to 240V AC, 50 Hz/60 Hz |
| EEE | Support |
| Power Consumption | S1720-28GWR-4P-E: 20.2W S1720-28GWR-PWR-4P-E: Without PD: 40.4W With PD: 446.7W (PoE: 369.6W) |
| Operating Temperature | 0m to 1,800m: 0°C to 45°C 1,800m to 5,000m: Decreases 1°C for every 220m increase in altitude |
| Humidity (non-condensing) | 5% to 95% |
| Heat Dissipation | Non-PoE model: Fan-free natural heat dissipation
PoE model: Heat dissipation using fans supporting intelligent speed adjustment |






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