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by Cisco
Product Line: Cisco Integrated Services Routers (ISR)
Product Type: Router
Sold out
Original price $0.00 - Original price $639.00
Original price
$0.00 - $639.00
Current price $0.00
Title: Surplus

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Product Description

The CISCO3925EK9 features embedded hardware-based cryptography and acceleration to ensure secure data transmission and an encryption license for enhanced security protocols. It is equipped with four 10/100/1000 onboard WAN or LAN ports, two SFP-based ports, and a comprehensive array of slots including four service module slots, one double-wide service module slot, three EHWIC slots, and one doublewide EHWIC slot for versatile connectivity options. The device supports up to 1500 Cisco Unified SRST sessions, includes 1 GB DDR2 DRAM and 256 MB of Compact Flash memory, and offers multiple power supply options including AC, PoE, and DC, making it suitable for a variety of network infrastructures.

Key Feature for the CISCO3925EK9

  • What is the total number of Cisco Unified SRST Sessions supported?
    1500 Cisco Unified SRST Sessions are supported.
  • How many onboard WAN or LAN ports are available?
    There are 4 10/100/1000 ports available for WAN or LAN connections.
  • Does the device support hardware-based cryptography?
    Yes, embedded hardware-based cryptography and acceleration is supported.
  • What are the available power supply options?
    AC, PoE, and DC (Internal) power supply options are available.
  • How many SFP-based ports does the device have?
    The device is equipped with 2 SFP-based ports.
  • What is the memory capacity of the device?
    It has 1 GB of DDR2 DRAM memory.
  • How many service module slots are available?
    The device features 4 service module slots and 1 double-wide service module slot.
  • What type of USB ports does the device include?
    There are 2 external USB 2.0 flash memory slots (Type A) and 1 USB console port (Type B).
  • What are the dimensions of the device?
    The dimensions are 5.25 x 17.25 x 18.75 inches (H x W x D).
  • Is an encryption license available for the device?
    Yes, an encryption license is included.

Product Review

The Cisco CISCO3925EK9 offers comprehensive hardware-based cryptography and acceleration, ensuring secure data transmission with minimal performance impact. However, its 1 GB DDR2 DRAM and 256 MB Compact Flash memory may limit advanced applications and future scalability. With a variety of connectivity options including four 10/100/1000 Ethernet ports, two SFP ports, and extensive service module slots, it provides flexible network integration, though its size and power consumption may challenge deployments in space-constrained environments.


The Cisco CISCO3925EK9 is a pivotal piece of hardware designed for medium to large-sized enterprise operations, providing a high degree of flexibility, connectivity, and security. This router comes equipped with an extensive array of features aimed at sustaining substantial traffic, ensuring secure data transmission, and facilitating advanced networking capabilities. At the core of its design, the device supports embedded hardware-based cryptography and acceleration, ensuring secure communications across the network. This feature is complemented by the inclusion of an encryption license, adding an extra layer of security for data in transit. The Cisco Unified SRST Sessions capability supports up to 1500 sessions, highlighting the device’s capacity to manage large volumes of voice communications efficiently. Connectivity options are abundant with the CISCO3925EK9. It houses four onboard WAN or LAN 10/100/1000 ports and an equal number of RJ-45-based ports, facilitating fast and versatile connections. Additionally, two SFP-based ports are available, providing the flexibility for fiber connectivity. The hardware configuration is further enhanced by: - Four service module slots - One double-wide service module slot - Three EHWIC slots, alongside one doublewide EHWIC slot, allowing for significant expansion and customization according to network needs. Memory and storage are well-provisioned, with the router equipped with 1 GB of DDR2 DRAM and 256 MB of Compact Flash memory in Slot 0. For additional storage and functionality, two external USB 2.0 flash memory slots (Type A) are included, alongside a USB console port (Type B) for management, a serial console port, and a serial auxiliary port. Power supply options are versatile, with AC, PoE, and DC internal options available. The AC input supports 100 to 240 VAC auto-ranging, ensuring compatibility with a variety of power sources and minimizing the surge current to less than 50 A. Despite its capabilities, the typical power consumption stands at 158 W, reflecting efficient power usage. Physically, the CISCO3925EK9 measures 5.25 x 17.25 x 18.75 inches and fits in a 3 RU rack space. Its design allows for airflow from the back and sides to the front, ensuring the unit remains cool under heavy operation. In summary, the Cisco CISCO3925EK9 is engineered to meet the demands of enterprise-level networking requirements. Its comprehensive connectivity options, enhanced security features, and efficient power usage make it a suitable choice for organizations looking to maintain high-performance, secure, and reliable network infrastructures. Its expandability through service modules and EHWIC slots ensures that it can adapt to growing or changing network demands, making it a versatile and future-proof investment for any enterprise.


Item Number CISCO3925EK9
Manufacturer Cisco
Integrated Security Feature Yes
Maximum Cisco Unified SRST Sessions 1500
Gigabit Ethernet Interfaces 4
Ports with RJ-45 Interface 4
Ports with SFP Interface 2
Slots for Service Modules 4
Slots for Double-Width Service Modules 1
EHWIC Slots 3
Double-Wide EHWIC Slots 1
ISM Slots Availability 0
DSP Slots Onboard 3
System Memory 1 GB DDR2
Primary Compact Flash Storage 256 MB
USB Flash Drive Ports 2
Console Management via USB 1
Console Port for Management 1
Auxiliary Port 1
Power Supply Variants AC, PoE, DC
Voltage Range for AC Input 100 to 240 VAC
Maximum AC Input Current <50 A
Operational Power Consumption 158 W
Dimensions 5.25 x 17.25 x 18.75 inches
Rack Units 3 RU
Cooling Airflow Direction Back and Sides to Front
Encryption Support Yes

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