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by Cisco
Product Line: Cisco Nexus 7000 Series
Product Type: DC Power Supply Module
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Title: Surplus

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Product Description

The N7K-DC6.0KW is a 6.0 KW power supply designed for DC environments, offering scalability from 1500 W to 6000 W and supports hot swapping. It features four inputs, a power cable length of 15 ft. with a GR-347 rating, and ensures high efficiency of more than 91%. Compatible with Cisco Nexus 7000 Series Switches and designed for -48 VDC nominal input at 37 A, it operates within a temperature range of 0 °C to 40 °C and a relative humidity of 10% to 90% noncondensing.

FAQs for the N7K-DC6.0KW

  • What is the power rating of the DC power supply designed for Cisco Nexus 7000 Series Switches?
    The power rating is 6.0 KW.
  • How does scalability affect the power supply's performance?
    Scalability allows the power supply to adjust its output from 1500 W to 6000 W, catering to various power needs.
  • Is hot swap support available for this power supply?
    Yes, the power supply supports hot swapping, enabling maintenance or upgrades without system downtime.
  • How many inputs does the power supply have, and is a power cable included?
    The power supply has 4 inputs, and a 15 ft. power cable rated GR-347 is included.
  • Can you describe the connection types supported by the power supply?
    It supports direct connection to DC power sources and connection to an intermediate power interface unit.
  • What is the efficiency rate of the power supply?
    The efficiency rate exceeds 91%.
  • Is the power supply compatible with mixed DC and AC operation?
    Yes, it supports both DC and AC operation seamlessly.
  • What software version is required for compatibility with Cisco® NX-OS?
    Compatibility requires Cisco® NX-OS Software Release 5.0 or later.
  • What are the output holdup times for half and full load conditions?
    The output holdup time is 8 ms for half load and 4 ms for full load conditions.
  • What are the physical dimensions and weight of the power supply?
    The dimensions are 8.51 x 4 x 21.25 in., and it weighs 21 lbs.

Product Review

The CISCO N7K-DC6.0KW power supply offers high efficiency, exceeding 91%, and supports scalable power from 1500W to 6000W, suitable for data center environments demanding reliable power scalability. Its compatibility with Cisco Nexus 7000 Series Switches and support for mixed DC and AC operation enhances its versatility in various network infrastructures. However, the operating temperature range is limited to 0 °C to 40 °C, potentially restricting its use in environments with extreme temperature conditions.


The CISCO N7K-DC6.0KW is a specialized power supply unit designed to cater to the specific needs of data center environments, offering a seamless integration with Cisco Nexus 7000 Series Switches. This unit is engineered to provide a scalable power solution ranging from 1500 W to 6000 W, ensuring that varying demands within the network infrastructure can be met efficiently. With a power rating of 6.0 KW, it stands out for its ability to support high-density configurations while maintaining optimal performance. One of the key features of this power supply is its support for hot swapping, enabling uninterrupted service during maintenance or upgrades. This functionality is crucial for environments where downtime can have significant consequences. The unit comes equipped with four inputs and includes a power cable, facilitating a direct connection to DC power sources or an intermediate power interface unit. This flexibility in connectivity options underscores its adaptability to different data center setups. The CISCO N7K-DC6.0KW boasts an efficiency rating of more than 91%, highlighting its ability to minimize power loss and contribute to a more sustainable operation. It supports mixed DC and AC operation, providing versatility in power sourcing and ensuring continuous operation across various power infrastructures. The power supply unit also features an integrated locking latch, ensuring secure connections and enhancing reliability.
  • Power Cable Length: 15 ft., ensuring ample reach for installation flexibility.
  • Power Cable Rating: GR-347, signifying its compliance with stringent quality and safety standards.
  • Tightening Torque: Ranges from 15 in. per lb (Minimum) to 40 in. per lb (Maximum), ensuring secure and reliable connections.
Compatibility with Cisco® NX-OS Software Release 5.0 or later guarantees that the power supply can leverage the latest networking software features, enhancing its overall functionality within the Cisco ecosystem. The unit is designed to perform reliably in a temperature range from 0 °C to 40 °C and can operate in relative humidity ranging from 10% to 90% (noncondensing), ensuring robust performance under various environmental conditions. Dimensions of the CISCO N7K-DC6.0KW are 8.51 x 4 x 21.25 inches, and it weighs 21 lbs, making it a compact yet powerful solution that can be accommodated within different data center configurations. Its dual stud ground connection at the front of the power supply ensures a secure and reliable grounding mechanism, enhancing safety and operational stability. The power supply's DC input specifications include a -48 VDC nominal at 37 A for North America and -60 VDC nominal at 30 A, with a DC input current of 40A for each DC input at -48 VDC input voltage. This ensures that the power supply can handle substantial power loads while maintaining high efficiency and performance. The output holdup time is 8 ms for half load and 4 ms for full load, indicating the unit's capability to maintain power output stability under varying load conditions. In summary, the CISCO N7K-DC6.0KW power supply unit is a highly efficient, scalable, and reliable solution designed to meet the rigorous demands of data center environments, offering seamless compatibility with Cisco Nexus 7000 Series Switches and ensuring uninterrupted operation with its hot swap support and versatile connectivity options.


Part Number and ManufacturerCISCO N7K-DC6.0KW
Power Capacity6.0 KW
Environment DesignDC Environments Only
Adjustable Power Range1500 W to 6000 W
Capability for Hot SwappingYes
Input Count4
Includes Power CableYes
Type of ConnectionDirect to DC Power Sources, Indirect via Power Interface Unit
Operational EfficiencyAbove 91%
Device CompatibilityCisco Nexus 7000 Series Switches
Support for DC and AC PowerYes
Securing MechanismIntegrated Locking Latch
Length of Power Cable15 ft.
Power Cable StandardGR-347
Required Tightening Force15 in. per lb (Min), 40 in. per lb (Max)
Isolated Input Stage ConnectionsTwo -48 VDC Connections
Required SoftwareCisco® NX-OS Software V5.0+
Stability Time at 50% Load8 ms
Stability Time at 100% Load4 ms
Physical Dimensions8.51 x 4 x 21.25 inches
Unit Weight21 lbs
Grounding MethodDual Stud Frontal Grounding
Input Voltage Specification-48 VDC at 37 A, -60 VDC at 30 A (North America)
Current per DC Input40A at -48 VDC
Temperature Range for Operation0 °C to 40 °C
Humidity Range for Operation10% to 90% (Non-condensing)

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