System Specifications
Note
Some power supplies have capabilities that are greater than the maximum power requirements for a switch.
To determine the power consumption characteristics for the switch, use the typical and maximum requirements
that are listed in the following table.
Switch
Cisco Nexus 93128TX
Power Specifications
Power specifications include the specifications for each type of power supply module.
1200-W AC Power Supply Specifications
These specifications apply to the following 1200-W AC power supplies:
• N9K-PAC-1200W
• N9K-PAC-1200W-B
Characteristic
AC input voltage
AC input frequency
Maximum AC input current
Maximum output power per power supply
Maximum hold-up time
Power supply output voltage
Power supply standby voltage
Efficiency rating
Form factor
930-W DC Power Supply (Port-Side Intake) Specifications
These specifications apply to the 930-W DC (UCSC-PSU-930WDC) port-side intake power supplies.
Typical Power
Maximum Power
Consumption (AC or DC)
Consumption (AC or DC)
582 W
853 W
Specification
Nominal range: 100-120 VAC, 200-240 VAC
Nominal range: 50 to 60 Hz (Range: 47-63 Hz)
10 A at 100-120 VAC
8 A at 200-240 VAC
800 W at 100-120 VAC
1200 W at 200-240 VAC
12 ms at 650 W
12 VDC
12 VDC
Climate Savers Platinum Efficiency (80Plus Platinum
certified)
RSP1
Cisco Nexus 93128TX ACI-Mode Switch Hardware Installation Guide
Power Specifications
Heat Dissipation
Requirement
2910.556 BTUs per hour
53