Cisco CISCO3925-SEC/K9 3 Ports Router
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Cisco CISCO3925-SEC/K9 3 Ports Integrated Services Router Refurbished

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Part Number#: CISCO3925-SEC/K9
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Short Description:
CISCO3925-SEC/K9 3925 Series Security Bundle External Modular 3u 15 Expansion Slots SFP Mini-GBIC Gigabit and Fast Ethernet 3 Ports Integrated Services Router | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the Cisco CISCO3925-SEC/K9 3 Ports Router

The Cisco CISCO3925-SEC/K9 3925 Series Security Bundle is a robust and versatile networking solution designed to meet the demanding requirements of modern businesses. This 3 ports router is part of Cisco's renowned 3925 Series, known for its reliability, security features, and modular design. The Cisco CISCO3925-SEC/K9 focuses on its external modular design, 3u form factor, 15 expansion slots, SFP Mini-GBIC support, and the integration of Gigabit and Fast Ethernet technologies.

External Modular Design

The external modular design of the Cisco CISCO3925-SEC/K9 is a standout feature that enhances flexibility and scalability. The router is equipped with external expansion slots, allowing users to customize and expand their network infrastructure based on specific needs. This modular approach ensures that the router can adapt to evolving technological requirements, making it an ideal choice for businesses with dynamic networking needs.

3u Form Factor

The Cisco CISCO3925-SEC/K9 comes in a 3u (3 rack units) form factor, providing a balance between compactness and expandability. The 3u size makes it suitable for deployment in standard server racks while offering ample space for the integration of expansion modules. This form factor is essential for organizations aiming to optimize their rack space efficiently without compromising on performance and future scalability.

15 Expansion Slots

One of the most notable features of the Cisco CISCO3925-SEC/K9 is its impressive 15 expansion slots. These slots enable users to enhance the router's capabilities by adding various interface cards and modules. The abundance of expansion slots ensures that businesses can easily accommodate growth and adapt to emerging technologies without the need for a complete overhaul of their networking infrastructure. Whether it's adding more ports, upgrading to advanced security modules, or incorporating specialized connectivity options, the Cisco CISCO3925-SEC/K9's expansion slots provide a versatile solution.

SFP Mini-GBIC Support

The inclusion of Small Form-factor Pluggable (SFP) Mini-GBIC support adds another layer of flexibility to the Cisco CISCO3925-SEC/K9. SFP Mini-GBICs are hot-swappable transceivers that allow users to connect the router to different types of network media, such as fiber optics. This feature is crucial for organizations that require diverse connectivity options to accommodate various networking scenarios. SFP support enhances the router's adaptability, making it suitable for a wide range of environments and ensuring seamless integration with existing network infrastructure.

Gigabit and Fast Ethernet Capabilities

The Cisco CISCO3925-SEC/K9 integrates both Gigabit and Fast Ethernet technologies, providing a versatile and high-performance networking solution. Gigabit Ethernet delivers fast data transfer speeds, making it ideal for bandwidth-intensive applications and ensuring optimal network performance. Fast Ethernet, while slightly slower than Gigabit, is still well-suited for less data-intensive tasks, creating a balanced and efficient network environment. The dual integration of these technologies caters to diverse networking requirements, allowing businesses to tailor their network setup to specific needs.

Integrated Services Router

As an Integrated Services Router (ISR), the Cisco CISCO3925-SEC/K9 consolidates various networking functions into a single device. This integration simplifies network management and reduces the need for multiple standalone devices, streamlining both setup and maintenance. The router supports a wide array of services, including routing, security, voice, video, and wireless, making it a comprehensive solution for businesses seeking an all-in-one networking platform. The ISR architecture enhances efficiency, reduces complexity, and promotes cost-effectiveness in managing a modern network infrastructure.

Security Bundle

The Security Bundle designation in the Cisco CISCO3925-SEC/K9 emphasizes its robust security features, a critical aspect in today's cyber-threat landscape. The router comes equipped with advanced security measures to protect against unauthorized access, data breaches, and other potential threats. This includes features such as firewall capabilities, VPN (Virtual Private Network) support, intrusion prevention, and encryption protocols. The security bundle ensures that businesses can establish a secure and resilient network infrastructure to safeguard sensitive information and maintain the integrity of their communications.

The Significance of External Modularity

One standout feature of the CISCO3925-SEC/K9 is its external modular design. External modularity allows for the seamless integration of additional components and modules, enabling organizations to adapt and scale their networking infrastructure as their needs evolve. The router's 3U form factor provides a balance between performance and space efficiency.


this item is a high-performance and reliable router that is designed for enterprise and service provider applications. The Cisco 3925 series is built on a powerful multi-core CPU architecture that provides high throughput and low latency for a wide range of network protocols and services.

In terms of performance, the CISCO3925-SEC/K9 can support up to 1 Gbps of throughput and can handle up to 450,000 concurrent sessions. This makes it well-suited for handling large amounts of traffic, such as in data centers, campus networks, and service provider environments.

The router also includes some features that help to increase its reliability, such as redundant power supplies and cooling, as well as the ability to use hot-swappable modules. Additionally, the Cisco 3925 series is designed with the ability to support a wide range of network protocols and services, which allows for greater flexibility and scalability.

The Cisco 3925 series also has a built-in hardware-accelerated VPN and security processing, which can help to offload some of the processing load from the router's CPU, thus allowing for more efficient use of resources. Additionally, the router has increased memory and storage capacity, which can help to support more advanced applications and services.

Interface Provided for Digital Workplace

The CISCO3925-SEC/K9 Cisco 3925 series router provides a wide range of interface options that can be used to connect to different devices and networks in a digital workplace.

The router has 3 integrated service ports, which can be used to connect to other devices and networks. The router supports a wide range of interface types, including Gigabit Ethernet, serial, and console ports. This allows the router to connect to a variety of devices and networks, such as servers, switches, and other routers.

Additionally, it also supports wireless connectivity through the built-in wireless controller, which can provide wireless access to the network for employees, guests, and other users. This allows users to access the network and resources from anywhere in the workplace, increasing productivity and flexibility.

The router also supports a variety of network protocols such as IPv4 and IPv6 routing, voice and video services, and wireless connectivity. This allows the router to support a wide range of applications and services, such as voice-over IP (VoIP), video conferencing, and wireless network access.

The model Cisco 3925 series router with its wide range of interface options and support for various protocols, can be a good choice for a digital workplace where it can provide secure and reliable connectivity for different devices and users.

General Information for the Cisco CISCO3925-SEC/K9 SFP Router
  • Manufacturer: Cisco
  • Model Number or SKU# CISCO3925-SEC/K9
  • Product Series: 3925
  • Product Type: Integrated Services Router
Technical Information
  • Total Number of Ports: 3
  • Expansion Slot Type: SFP (mini-GBIC)
  • Number of Total Expansion Slots: 15
Network & Communication
  • Network Technology: 10/100/1000Base-T
  • Ethernet Technology: Gigabit Ethernet
  • Standard Memory: 1 GB
  • Firewall Protection, VPN Support, MPLS Support, Syslog Support, Content Filtering, IPv6 Support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Dynamic Multipoint VPN (DMVPN) - These are various functionalities and capabilities of the router, including security features, support for virtual private networks (VPNs), and more.

Compliant Standards

  • IEEE 802.1Q, IEEE 802.1ah, IEEE 802.1ag - These are standards that the router adheres to, ensuring compatibility with other devices and systems.


  • AC 120/230 V (50/60 Hz)

In general, the Cisco CISCO3925-SEC/K9 3925 Series Security Bundle stands out as a reliable, flexible, and secure networking solution for modern businesses. Its external modular design, 3u form factor, 15 expansion slots, SFP Mini-GBIC support, and integration of Gigabit and Fast Ethernet technologies make it a versatile choice for organizations with evolving networking needs. The Integrated Services Router architecture and emphasis on security further enhance its appeal as a comprehensive solution for businesses looking to streamline their network infrastructure while ensuring robust performance and protection against cyber threats. As technology continues to evolve, the Cisco CISCO3925-SEC/K9 remains well-positioned to meet the challenges of the networking landscape, making it a valuable investment for businesses of all sizes.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product CISCO3925-SEC/K9 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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Worldwide Shipping Options:

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UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

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