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by Cisco
Product Line: Cisco N9K-SUP-A
Product Type: Switch Supervisor Module
Original price $386.00 - Original price $1,270.00
Original price
$386.00 - $1,270.00
Current price $386.00
Title: Used

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Product Description

The N9K-SUP-A is equipped with an x86 processor featuring 4 cores and 4 threads, running at a frequency of 1.8 GHz, and is supported by 16 GB DRAM and a 64 GB SSD for storage. It has a power range of 69 W typical to 80 W maximum, a 312,070 hours MTBF, and supports hot-swap with port-side intake airflow for efficient cooling. Designed for Cisco Nexus 9500 switches, it offers 2 USB ports, 1 serial port, and 1 Ethernet port with a speed of 10/100/1000 Mbps, supporting deployment in both Cisco ACI and NX-OS environments.

Key Feature for the N9K-SUP-A

  • What is the processor type used in this device?
    The processor type is x86.
  • How many cores does the processor have?
    The processor has 4 cores.
  • What is the RAM capacity of the device?
    The RAM capacity is 16 GB.
  • What type of SSD is included and its capacity?
    The device includes a 64 GB SSD.
  • How much does the device weigh?
    The device weighs 4.84 lbs.
  • What is the typical and maximum power consumption?
    Typical power consumption is 69 W, with a maximum of 80 W.
  • Does the device support hot-swapping?
    Yes, hot-swap support is available.
  • What types of ports are available on this device?
    It has 2 USB ports, 1 serial port, and 1 Ethernet port.
  • What is the speed of the Ethernet port?
    The Ethernet port speed is 10/100/1000 Mbps.
  • What deployment types are supported?
    Cisco ACI or NX-OS deployment types are supported.

Product Review

The Cisco N9K-SUP-A supervisor module, designed for Nexus 9500 switches, is equipped with a quad-core x86 processor running at 1.8 GHz and 16 GB of DRAM, ensuring efficient handling of network operations. Its solid-state drive capacity of 64 GB, combined with hot-swap support and a mean time between failures (MTBF) of 312,070 hours, highlights reliability and ease of maintenance for demanding network environments. However, its operational temperature range of 0 °C to 40 °C could limit deployment in extreme conditions, despite its robust performance metrics and compatibility with both Cisco ACI and NX-OS software.


The Cisco N9K-SUP-A is a supervisor module designed to deliver high performance, reliability, and operational efficiency for the Nexus 9500 switches. At the heart of this module is a quad-core x86 processor running at 1.8 GHz, complemented by four threads. This processor architecture ensures efficient handling of network operations and management tasks. With 16 GB of DRAM, the module is well-equipped to manage complex network configurations and large routing tables, ensuring swift data processing and retrieval. Storage needs are met with a 64 GB solid-state drive (SSD), providing ample space for the operating system, applications, and logs. This storage solution not only offers fast data access but also increases the system's reliability over traditional hard drives. Weighing in at 4.84 lbs, the N9K-SUP-A is designed for ease of handling and installation. The module operates typically at 69 W, with a maximum power draw of 80 W, making it an energy-efficient choice for modern data centers. It boasts an impressive mean time between failures (MTBF) of 312,070 hours, underscoring its reliability and durability in demanding network environments. Hot-swap support ensures minimal downtime, allowing for maintenance or upgrades without interrupting network services. Airflow is managed with a port-side intake design, ensuring optimal cooling for the hardware components. Connectivity options include two USB ports for external storage or devices, one serial port for console access, and one Ethernet port capable of 10/100/1000 Mbps speeds, facilitating management and network connections.
  • Deployment flexibility is a key feature, with support for both Cisco ACI and NX-OS environments, allowing for integration into a wide range of network architectures.
  • External clock support enhances synchronization capabilities across network devices, a critical feature for time-sensitive applications.
  • Designed specifically for use with Nexus 9500 switches, this module is integral to enhancing the switches' capabilities and performance.
Operating conditions have been taken into consideration, with the module functioning optimally between 0 °C and 40 °C. It can withstand non-operating temperatures ranging from -40 °C to 70 °C, making it resilient under various storage conditions. Humidity tolerance is set at 5% to 95% (noncondensing), ensuring the module's performance is not hindered by environmental factors. Additionally, it operates effectively at altitudes up to 4,000 meters, providing flexibility for deployment in different geographical locations. In summary, the Cisco N9K-SUP-A is a powerful and reliable supervisor module, designed to enhance the operation of Nexus 9500 switches. With its high-performance processor, ample memory and storage, and broad connectivity options, it is equipped to support complex network environments and applications. Its design considerations for power, reliability, and environmental conditions make it a suitable choice for enterprise data centers seeking to optimize their network infrastructure.


Part NumberN9K-SUP-A
CPU Architecturex86
CPU Cores4
CPU Threads4
CPU Speed1.8 GHz
Memory Capacity16 GB
Memory TypeDRAM
Storage Capacity64 GB
Unit Weight4.84 lbs
Standard Power Consumption69 W
Peak Power Consumption80 W
Mean Time Between Failures (MTBF)312,070 Hours
Support for Hot SwappingYes
Cooling System DirectionPort-Side Intake
USB Port Count2
Serial Port Count1
Ethernet Port Count1
Ethernet Port Capability10/100/1000 Mbps
Installation EnvironmentCisco ACI or NX-OS
Support for External Time SourceYes
Compatible WithNexus 9500 Series Switches
Operational Temperature Range Min0 °C
Operational Temperature Range Max40 °C
Storage Temperature Range-40 °C to 70 °C
Operating Humidity Range5% to 95% (Noncondensing)
Maximum Operating Altitude0 to 4,000 m

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