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by Cisco
Product Line: Cisco ASR 1000 Series
Product Type: Aggregation Services Router
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Title: Surplus

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Product Description

The ASR1001X-20G-K9 is a 1 RU form factor router equipped with a quad-core 2.13 GHz processor, 4 GB DRAM, and 8 GB of flash memory, designed for high-performance networking. It supports scalable bandwidth from 2.5 to 20 Gbps, featuring 6 SFP Gigabit Ethernet ports and 2 SFP+ 10 Gigabit Ethernet ports, along with one shared port adapter (SPA) slot for expanded connectivity. This device operates within a temperature range of 0 °C to 40 °C, consumes a maximum of 250 WAC power, and offers both AC and DC input voltage options, ensuring flexible deployment in various networking environments.

FAQs for the ASR1001X-20G-K9

  • What is the form factor of the networking device?
    The form factor is 1 RU.
  • How does the device's processor contribute to its performance?
    The device features a Quad-Core 2.13 GHz processor, enhancing its processing capabilities.
  • Can you detail the port types available on this device?
    It offers SFP and SFP+ port types.
  • What is the total number of SFP Gigabit Ethernet Ports present?
    There are 6 SFP Gigabit Ethernet Ports.
  • What scalability options are available with this hardware?
    Scalability ranges from 2.5 to 20 Gbps.
  • Describe the device's memory and storage specifications.
    The device is equipped with 4 GB DRAM and 8 GB of flash memory, plus an external USB memory option of 1 GB.
  • What is the maximum power consumption of this device?
    Maximum power consumption is 250 WAC / 242 WDC.
  • How does the airflow design benefit the device?
    The front-to-back airflow design ensures efficient cooling for sustained performance.
  • What are the minimum and maximum operating temperatures?
    The operating temperature ranges from 0 °C to 40 °C.
  • Is the device equipped with a Network Interface Module?
    Yes, it includes a Network Interface Module.

Product Review

The Cisco ASR1001X-20G-K9 offers a scalable system bandwidth of 2.5 to 20 Gbps, accommodating growing network demands, and features a quad-core 2.13 GHz processor, ensuring efficient data processing. However, its initial 4 GB of DRAM and 8 GB of flash memory might limit performance in highly demanding environments, potentially necessitating future upgrades. Additionally, with only two SFP+ 10 Gigabit Ethernet ports, connectivity options for high-speed networks are limited, although the inclusion of six SFP Gigabit Ethernet ports and one SPA slot provides some flexibility for various networking needs.


The CISCO ASR1001X-20G-K9 is designed for high-performance network environments, featuring a compact form factor and significant scalability options. This device is housed in a 1 RU chassis, optimizing space in data centers and network closets. The system's bandwidth begins at 2.5 Gbps, with the capability to scale up to 20 Gbps, making it suitable for growing network demands. At the core of the ASR1001X-20G-K9 is a quad-core processor running at 2.13 GHz, ensuring efficient processing of network traffic and routing operations. The device is equipped with a variety of port types, including six SFP Gigabit Ethernet ports and two SFP+ 10 Gigabit Ethernet ports, facilitating flexible connectivity options for a wide range of network topologies and data speeds. Memory resources include 4 GB of DRAM and 8 GB of flash memory, providing ample space for the operating system, applications, and network configurations. Additionally, the router supports external USB memory up to 1 GB for additional storage needs. Key hardware specifications: - One Shared Port Adapter (SPA) slot, enhancing the device's interface flexibility and allowing for additional network modules. - Support for an external USB memory stick, facilitating easier configuration and software updates. - A Network Interface Module slot, expanding the device's capabilities and integration options with other network components. The ASR1001X-20G-K9 operates within a voltage range of 85 to 264 VAC or -40 to -72 VDC, accommodating various power supplies and ensuring consistent performance across different environments. It is designed to operate efficiently within a temperature range of 0 °C to 40 °C, with a maximum power consumption of 250 WAC or 242 WDC, depending on the configuration. Measuring 1.71 inches in height, 17.3 inches in width, and 18.7 inches in depth, and weighing 25 lbs, this router is designed for easy integration into standard 19-inch racks, supporting both space efficiency and ease of installation. The device's airflow is from front to back, supporting its use in a wide range of rack configurations and ensuring optimal cooling during operation. This is critical for maintaining performance levels and device longevity in high-demand network environments. For software, the ASR1001X-20G-K9 requires a minimum of Cisco IOS XE Software Release 3.12.0, which provides the necessary features and security for modern networking requirements. Redundancy is software-based, offering network resilience and ensuring continuous operation even in the event of a module failure. In summary, the CISCO ASR1001X-20G-K9 is a versatile and scalable router that meets the demands of various networking environments, from small enterprises to large data centers. Its combination of performance, connectivity options, and compact form factor makes it an ideal solution for organizations looking to efficiently manage and expand their network infrastructure.


Part Number and ManufacturerCISCO ASR1001X-20G-K9
Chassis Size1 Rack Unit
Total Bandwidth Capacity2.5 Gigabits per second
CPU SpecificationQuad-Core, 2.13 GHz Processor
Connectivity OptionsSFP and SFP+
Gigabit Ethernet SFP Ports Count6
10 Gigabit Ethernet SFP+ Ports Count2
Failover CapabilitySoftware-based
Mounting Option19-inch Rack
RAM Capacity4 GB DRAM
Internal Storage8 GB Flash
Expansion Slot1 SPA Slot
External Storage Support1 GB via USB
Performance Expansion Range2.5 to 20 Gbps
Device Height1.71 inches
Device Width17.3 inches
Device Depth18.7 inches
Unit Weight25 pounds
Network Extension Module SupportSupported
Initial Software VersionCisco IOS XE Software Release 3.12.0
Power Supply Requirements85 to 264 VAC / -40 to -72 VDC
Operational Temperature Floor0 degrees Celsius
Operational Temperature Ceiling40 degrees Celsius
Energy Consumption Peak250 WAC / 242 WAC
Cooling Mechanism DirectionFront-to-Back Airflow

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