Cisco ASA5512-K9 Firewall Security Appliance
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Cisco ASA5512-K9 Firewall Security Appliance 1Gbps Ethernet Refurbished

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Part Number#: ASA5512-K9
List Price was: $911.54
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Short Description:
ASA5512-K9 ASA 5512-X 1 Gigabits Per Second (GBPS) Firewall Protection, Virtual Private Network Support (VPN)VLAN Support Flash Memory 4 Gigabytes(GB) 6-Ports Network Security Appliance | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Details of the Cisco Firewall Security Appliance

In the realm of network security, the Cisco ASA5512-K9 stands out as a robust and reliable firewall security appliance. Specifically designed to meet the evolving needs of modern networks, this appliance boasts 6 ports and 1Gbps Ethernet capability. In this comprehensive guide, we will delve into the key features, specifications, and benefits of the Cisco ASA5512-K9, exploring its role in enhancing network security.

Cisco ASA5512-K9 Firewall Appliance

The Cisco ASA5512-K9 is a robust 1Gbps Ethernet Firewall Appliance, renowned for its effectiveness in providing network protection. Let's explore its key characteristics and capabilities.

Ports Quantity and Types

One of the crucial aspects of any firewall appliance is its port configuration. The Cisco ASA5512-K9 is equipped with a total of 6 ports, each serving a specific purpose. These ports play a vital role in facilitating network connectivity and ensuring the smooth flow of data. Let's explore the different types of ports available on this security appliance:

Gigabit Ethernet Ports

The Cisco ASA5512-K9 comes with Gigabit Ethernet ports, offering high-speed data transfer capabilities. These ports are essential for handling large volumes of data efficiently, making the appliance suitable for high-performance network environments.

DSL Port

Unlike some firewall appliances, the Cisco ASA5512-K9 does not include a DSL port. This indicates that the appliance is not specifically designed for DSL internet connections. Instead, it focuses on other types of connectivity to meet the diverse needs of organizations.

USB Port

The inclusion of a USB port is a notable feature of the Cisco ASA5512-K9. This port provides additional flexibility for users, allowing them to connect USB devices for various purposes. It could be used for data transfer, configuration backup, or other functionalities, enhancing the appliance's versatility.

Management Port

The Cisco ASA5512-K9 features a dedicated management port, emphasizing the importance of streamlined device management. This port is specifically designed for administrative tasks, enabling users to configure, monitor, and maintain the firewall appliance with ease.

Data Link Protocol

The data link protocol is a critical aspect of network communication, defining how data is framed, addressed, transmitted, and received over a network. The Cisco ASA5512-K9 supports the Gigabit Ethernet data link protocol, indicating its compatibility with high-speed Ethernet networks.

Gigabit Ethernet Data Link Protocol

The Gigabit Ethernet data link protocol is designed to support data transfer rates of up to 1 Gbps, making it suitable for high-performance network environments. This protocol ensures that the Cisco ASA5512-K9 can handle the demands of modern networks, providing efficient and reliable communication.

Use Cases and Deployment Scenarios

Understanding the practical applications and deployment scenarios of the Cisco ASA5512-K9 is crucial for organizations looking to enhance their network security. Let's explore some common use cases:

Small to Medium-sized Enterprises (SMEs)

The Cisco ASA5512-K9 is well-suited for small to medium-sized enterprises seeking robust network security. With its 1 Gbps Ethernet capabilities, it can effectively protect SME networks from various cyber threats, including malware, phishing attacks, and unauthorized access.

Remote Office/Branch Office (ROBO) Deployments

For organizations with remote offices or branch offices, the Cisco ASA5512-K9 provides a reliable security solution. Its versatile port configuration and management capabilities make it an ideal choice for securing distributed network environments.

High-Speed Internet Connectivity

The Gigabit Ethernet ports on the Cisco ASA5512-K9 make it suitable for environments with high-speed internet connectivity requirements. This makes it a valuable asset for organizations relying on fast and reliable internet connections for their daily operations.

Security Features

The primary purpose of a firewall security appliance is to protect networks from cyber threats. The Cisco ASA5512-K9 comes equipped with a range of security features designed to safeguard the integrity and confidentiality of data. Some key security features include:

Stateful Firewall

The stateful firewall capability ensures that the Cisco ASA5512-K9 can make informed decisions about allowing or blocking traffic based on the state of active connections. This enhances the overall security posture by preventing unauthorized access.

VPN Support

Virtual Private Network (VPN) support is essential for secure communication over the internet. The Cisco ASA5512-K9 provides VPN capabilities, allowing organizations to establish encrypted connections for remote access or site-to-site communication.

Intrusion Prevention System (IPS)

The Intrusion Prevention System (IPS) feature enhances the Cisco ASA5512-K9's ability to detect and prevent malicious activities within the network. It analyzes network traffic for suspicious behavior and takes proactive measures to thwart potential threats.

Advanced Malware Protection

Protecting against advanced malware is a priority for modern security appliances. The Cisco ASA5512-K9 includes advanced malware protection mechanisms to identify and neutralize sophisticated threats, ensuring a comprehensive defense strategy.

Web-based Management Interface

The web-based management interface simplifies the configuration process, providing a graphical user interface for administrators to navigate and customize settings. This intuitive interface enhances usability, especially for those with limited command-line experience.

Command Line Interface (CLI)

For users who prefer a more granular level of control, the Cisco ASA5512-K9 also supports a Command Line Interface (CLI). This text-based interface allows administrators to input commands directly, offering a comprehensive set of configuration options.

Future Expansion and Upgradeability

As technology evolves, it is essential for network security appliances to support future expansion and upgrades. The Cisco ASA5512-K9 is designed with scalability in mind, ensuring that organizations can adapt to changing security requirements.

Firmware Updates

Regular firmware updates are critical to addressing vulnerabilities and ensuring the security appliance's optimal performance. Cisco provides firmware updates for the ASA5512-K9, allowing organizations to stay current with the latest security patches and enhancements.

Hardware Expansion Modules

Some network environments may require additional functionality beyond the standard features. The Cisco ASA5512-K9 supports hardware expansion modules, providing a pathway for organizations to add new capabilities as needed.

Product Information about the Cisco ASA5512-K9
  • Manufacturer: Cisco
  • Model Number or SKU# ASA5512-K9
  • Product Line: ASA
  • Product Series: 5500
  • Product Model: ASA 5512-X
  • Product Type: Firewall Appliance
Key Features of Security Appliance
  • Enclosure Type: Rack-Mountable - 1u
  • Ram Installed (Max): 4 GB
  • Ports Quantity: 6 Ports
  • DSL Port: No
  • USB: Yes
  • Management Port: Yes
  • Data Link Protocol: Gigabit Ethernet
Performance for Firewall Appliance
  • Firewall Throughput: 1 Gbps
  • VPN Throughput (3DES/AES): 200 Mbps
  • Connection Rate: 10,000 Connections per Second
  • Firewall + Intrusion Prevention Throughput: 250 Mbps
Capacity of 6-Port Router
  • IPSEC VPN Peers: 250
  • SSL VPN Peers: 2
  • Concurrent Sessions: 100,000
  • Virtual Interfaces (Vlans): 50
  • Security Contexts: 2
  • Features: Firewall Protection, VPN Support, VLAN Support
Network & Communication
  • Ethernet Technology: Gigabit Ethernet
  • Network Standard: 10/100/1000Base-T
Wireless Specifications
  • Wireless LAN: No
  • Number of Total Expansion Slots: 1
  • Manageable: Yes


  • Standard Memory: 4 GB
  • Flash Memory: 4 GB

Power Description

  • Input Voltage: 110 V AC (50/60 Hz), 220 V AC (50/60 Hz)
  • Power Source: Power Supply

In summary, the Cisco ASA5512-K9 1Gbps Ethernet Firewall Security Appliance offers a comprehensive and robust solution for organizations seeking advanced network security. With its versatile port configuration, support for Gigabit Ethernet, and a range of security features, it addresses the diverse needs of modern networks. Whether deployed in small to medium-sized enterprises, remote offices, or environments with high-speed internet connectivity, the Cisco ASA5512-K9 stands as a reliable and scalable choice. Administrators benefit from user-friendly management interfaces, ensuring efficient configuration and ongoing maintenance. As cyber threats continue to evolve, the Cisco ASA5512-K9's commitment to security, future expandability, and upgradeability positions it as a valuable asset in safeguarding network infrastructure.

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.

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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?

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(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.

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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).

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