| S2720-28TP-PWR-EI-L Specification | |
| Item | Description | 
| PoE | Supported | 
| Memory (RAM) | 512 MB | 
| Mean time to repair (MTTR) | 2 hours | 
| Availability | > 0.99999 | 
| Service port surge protection | Common mode: ±7 kV | 
| Stack ports | Two 1000BASE-X ports | 
| Rated voltage range | 100 V AC to 240 V AC, 50/60 Hz | 
| Maximum voltage range | 90 V AC to 264 V AC, 47 Hz to 63 Hz | 
| Typical power consumption (30% of traffic load) | 19.4 W | 
| Storage temperature | -40°C to +70°C (-40°F to +158°F) | 
| Flash | 512 MB in total. To view the available flash memory size, run the display version command. | 
| Certification | 
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| Maximum power consumption (100% throughput) | 
 | 
| Dimensions (H x W x D) | 
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