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by Cisco
Product Line: Cisco 2951 Series Integrated Services Router
Product Type: Router
Original price $0.00 - Original price $655.00
Original price
$0.00 - $655.00
Current price $655.00
Title: Surplus

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Product Description

The CISCO2951K9 offers advanced security features with embedded hardware-based cryptography and acceleration, ensuring secure data transmission. It supports up to 250 Cisco Unified SRST sessions and 150 Cisco Unified CCME sessions, equipped with 3 RJ-45-based ports, 1 SFP-based port, 2 service module slots, 1 double-wide service module slot, 3 onboard WAN 10/100/1000 GE ports, 4 EHWIC slots, 3 DSP slots, 1 ISM slot, 512 MB DRAM, and 256 MB flash memory. This device is designed for scalability and performance upgrades, supporting a maximum memory of 2 GB DRAM, and comes with 2 external USB 2.0 flash memory slots, 1 USB console port, and multiple power supply options including AC, PoE, and DC, fitting into a 2 RU rack height space.

Key Feature for the CISCO2951K9

  • What is the maximum number of Cisco Unified SRST sessions supported?
    The device supports up to 250 Cisco Unified SRST sessions.
  • How many RJ-45-based ports does the device have?
    There are 3 RJ-45-based ports available.
  • Can the memory be upgraded, and if so, to what maximum?
    Yes, the memory can be upgraded to a maximum of 2 GB DRAM.
  • What are the power supply options for this device?
    The power supply options are AC, PoE (Power over Ethernet), and DC.
  • How many service module slots does the device include?
    There are 2 service module slots included.
  • What is the total number of onboard WAN 10/100/1000 GE ports?
    The device has 3 onboard WAN 10/100/1000 GE ports.
  • What type of flash memory does the device use, and how much is included?
    The device uses 256 MB of flash memory.
  • How many double-wide EHWIC slots are available?
    There are 2 double-wide EHWIC slots available.
  • What feature set is included with the device?
    The device comes with the IP Base feature set.
  • What are the dimensions of the device?
    The dimensions are 3.5 x 17.25 x 18.5 inches (H x W x D).

Product Review

The Cisco CISCO2951K9 offers notable flexibility with its array of connectivity options, including three RJ-45 based ports, one SFP-based port, and comprehensive service module slots, supporting a diverse range of network configurations. However, its initial 512 MB DRAM and 256 MB flash memory may limit performance in high-demand environments, though upgradeability to 2 GB DRAM mitigates this concern to an extent. Additionally, the integrated hardware-based cryptography and acceleration enhance security and performance, making it suitable for medium-sized enterprise applications.


The Cisco CISCO2951K9 is a versatile and efficient networking solution designed to cater to a wide range of communication needs. It is equipped with a plethora of features aimed at providing secure, reliable, and high-speed data and voice communications. This product overview delves into the hardware specifications that make the CISCO2951K9 an ideal choice for businesses looking to enhance their network infrastructure. At the heart of the CISCO2951K9's capabilities is its embedded hardware-based cryptography and acceleration, ensuring secure data transmission without compromising on speed. It supports up to 250 Cisco Unified SRST sessions and 150 Cisco Unified CCME sessions, making it suitable for medium to large-scale operations. The device is equipped with three RJ-45-based ports and one SFP-based port, offering flexibility in connecting different types of network cables and devices. For expanding network capabilities, the CISCO2951K9 includes two service module slots and one double-wide service module slot. Additionally, it has three onboard WAN 10/100/1000 GE ports for high-speed internet connectivity. To further enhance its functionality, the router comes with four Enhanced High-Speed WAN Interface Card (EHWIC) slots, three Digital Signal Processor (DSP) slots, and one Internal Services Module (ISM) slot. Memory and storage are crucial for efficient networking operations. The CISCO2951K9 is initially equipped with 512 MB DRAM and 256 MB of flash memory. It supports a maximum memory of up to 2 GB DRAM, allowing for significant upgrades to meet the demands of growing businesses. For external storage, there are two USB 2.0 flash memory slots (Type A) and a USB console port (Type B) for easy device management.
  • Feature Set: IP Base
  • Double-Wide EHWIC Slots: 2
  • Power Supply Options: AC, PoE, and DC
In terms of power, the CISCO2951K9 offers flexibility with AC, PoE, and DC power supply options. It operates on an AC input voltage of 100 to 240 VAC auto-ranging, ensuring compatibility with a wide range of power sources worldwide. The device's typical power consumption is 70 W, making it an energy-efficient choice for businesses. Physically, the CISCO2951K9 measures 3.5 x 17.25 x 18.5 inches and occupies 2 rack units (RU) in height, making it compact enough for easy integration into existing rack setups without occupying excessive space. Its design is focused on maximizing functionality while maintaining a footprint conducive to dense network environments. In summary, the Cisco CISCO2951K9 integrates essential features and specifications for advanced networking requirements. Its support for a wide range of sessions, flexibility with various port options, expandable memory, and power supply versatility make it a comprehensive solution for businesses looking to upgrade or expand their network capabilities. With its secure data transmission features and efficient power consumption, the CISCO2951K9 stands out as a reliable and scalable networking router.


Part Number and ManufacturerCISCO2951K9, Cisco
Integrated Cryptography and AccelerationYes
Supported Cisco Unified SRST Sessions250
Supported Cisco Unified CCME Sessions150
RJ-45 Ports Count3
SFP Ports Availability1
Slots for Service Modules2
Slots for Double-Wide Service Modules1
Onboard WAN 10/100/1000 GE Ports Count3
EHWIC Slots Number4
DSP Slots Count3
ISM Slots Availability1
DRAM Memory512 MB
Flash Storage256 MB
Installed Feature SetIP Base
Double-Wide EHWIC Slot Count2
Maximum DRAM Support2 GB
External USB 2.0 Flash Memory Slots (Type A) Count2
USB Console Interface (Type B)1
Serial Console Interface Quantity1
Options for Power SupplyAC, PoE, DC
AC Power Input Range100 to 240 VAC Auto Ranging
Maximum AC Surge CurrentLess Than 50 A
Typical Power Consumption70 W
Dimensions (Height x Width x Depth)3.5 x 17.25 x 18.5 in.
Standard Rack Unit Height2 RU

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