| Switch Model | Internal Fixed PSU - Max Power | Secondary PSU |
|---|---|---|
| 4120-24MW-4Y | 860W ACPSU | XN-ACPWR-920W-FB-U |
| XN-ACPWR-1200W-FB-U | ||
| 4120-48MW-4Y | 1200W ACPSU | XN-ACPWR-1200W-FB-U |
| XN-ACPWR-2000W-FB-U |
| Switch Model | With Internal Fixed PSU | With Internal Fixed PSU + 920W PSU | With Internal Fixed PSU + 1200W PSU | With Internal Fixed PSU + 2000W PSU |
|---|---|---|---|---|
| 4120-24MW-4Y (100-120VAC) | 680W | 1440W | 1380W | Not Supported |
| 4120-48MW-4Y (100-120VAC) | 640W | Not Supported | 1340W | 1230W |
| 4120-24MW-4Y (200-240VAC) | 680W | 1440W | 1540W | Not Supported |
| 4120-48MW-4Y (200-240VAC) | 980W | Not Supported | 1780W | 2180W |
| Switch Model | Minimum Power Consumption (W) | Minimum Heat Dissipation (BTU/hr) | Maximum Power Consumption (W)* | Maximum Heat Dissipation (BTU/hr)** |
|---|---|---|---|---|
| 4120-24MW-4Y | 48 | 164 | 1830 | 990 |
| 4120-48MW-4Y | 56 | 191 | 2535 | 1211 |