CISCO ASA5515-K9 Plc Modules
( Brand: Cisco ), ( Manufacturer Part Number: ASA5515-K9 ), ( Part Type: Module )
Review CISCO Asa5515k9 Used
The **Cisco ASA 5515-K9 (ASA5515-K9)** is a robust, high-performance firewall and security appliance designed to deliver enterprise-grade protection for mid-sized to large organizations seeking to safeguard their networks against evolving cyber threats. Part of Cisco s Adaptive Security Appliance (ASA) series, this model combines advanced firewall capabilities with deep packet inspection, intrusion prevention, virtual private networking (VPN), and application control to create a comprehensive security perimeter. Built on Cisco s proven ASA platform, the ASA 5515-K9 supports a wide range of security services, including stateful firewall inspection, URL filtering, antivirus scanning, and advanced threat mitigation, all while maintaining high throughput and low latency to ensure seamless business operations. Its modular architecture allows for easy integration with Cisco s broader security ecosystem, including the Cisco Firepower Threat Defense (FTD) software for enhanced threat intelligence and automated security responses. The device is optimized for environments requiring high availability, offering redundant power supplies, failover capabilities, and support for Cisco s AnyConnect Secure Mobility Client for secure remote access. With its scalable performance capable of handling up to 500 Mbps of firewall throughput and supporting up to 1,000 concurrent VPN connections the ASA 5515-K9 is ideal for organizations transitioning from legacy firewalls to a more modern, unified security solution. Additionally, its support for Cisco s Identity Services Engine (ISE) enables role-based access control and network segmentation, further enhancing security posture. Whether deployed at the network edge, in data centers, or as part of a distributed security architecture, the ASA 5515-K9 provides a resilient, future-proof foundation for protecting critical infrastructure against both internal and external threats.
### **Pros and Cons of buying a Cisco ASA 5515-K9 (ASA 5515-K9)**
#### **Pros**
1. **High Performance for Enterprise Security**
The ASA 5515-K9 is designed for mid-sized to large enterprises requiring robust firewall, VPN, and intrusion prevention capabilities. It supports high throughput (up to 750 Mbps for stateful inspection and 1.5 Gbps for VPN) and can handle thousands of concurrent connections, making it suitable for networks with moderate to high traffic demands.
2. **Comprehensive Security Features**
It includes advanced security features such as:- **Stateful Firewall Inspection** Protects against unauthorized access by tracking connection states.
- **Intrusion Prevention System (IPS)** Detects and blocks malicious traffic in real time.
- **VPN Support** Supports site-to-site and remote access VPNs (IPsec, SSL) for secure remote connectivity.
- **Application Visibility and Control (AVC)** Allows granular control over applications (e.g., blocking YouTube or restricting file-sharing tools).
- **Content Security** Includes URL filtering and malware inspection via partnerships with vendors like Websense or Cisco Umbrella.
- **Identity-Based Security** Integrates with Active Directory for role-based access control (RBAC).
3. **Scalability and Redundancy Options**
The ASA 5515-K9 supports **failover clustering** (active-active or active-standby) for high availability, ensuring minimal downtime in case of hardware failure. It also integrates with Cisco s **ASA 5500-X series** for future scalability if network demands grow.
4. **Strong VPN Capabilities**
Ideal for organizations requiring secure remote access (e.g., telecommuters, branch offices). It supports **IPsec, SSL VPN, and AnyConnect**, making it versatile for different use cases.
5. **Enterprise-Grade Reliability**
Cisco s ASA series is known for stability and long-term support. The ASA 5515-K9 has a proven track record in enterprise environments, with regular firmware updates and security patches.
6. **Integration with Cisco Ecosystem**
Works seamlessly with other Cisco products like:- **Cisco routers (e.g., ISR 4000 series)** for unified network security.
- **Cisco Umbrella** for DNS-layer security.
- **Cisco Duo** for multi-factor authentication (MFA).
- **Cisco Secure Firewall Management Center** for centralized policy management.
7. **Compliance and Auditing**
Supports **logging, syslog, and SNMP** for compliance reporting (e.g., PCI DSS, HIPAA). It also provides **authentication, authorization, and accounting (AAA)** for secure access control.
8. **Long Lifecycle and Support**
Cisco s ASA 5500 series is still supported with **end-of-sale (EoS) in 2018 but extended support until 2025** (depending on the contract). While not the latest model, it remains a reliable choice for organizations that prioritize stability over cutting-edge features.
---
#### **Cons**
1. **Outdated Hardware (Compared to Modern Alternatives)**
The ASA 5515-K9 is an older model (released around 2010) and lacks the performance and features of newer **Firepower Threat Defense (FTD) appliances** or **Cisco Secure Firewall (NGFW) series**. Modern alternatives (e.g., **ASA 5525-X, FTD 2100**) offer:
- Higher throughput (up to 10 Gbps).
- Better support for **AI-driven threat detection**.
- Improved **user and entity behavior analytics (UEBA)**.
- **Cloud integration** (e.g., Cisco Secure Firewall Cloud).
2. **Limited Support for Modern Protocols and Applications**
- Struggles with **high-bandwidth applications** (e.g., 4K video streaming, VoIP, or large-scale cloud migrations).
- **Application visibility is less granular** compared to newer models, which can identify and control thousands of apps.
- **Lack of native support for newer encryption standards** (e.g., modern TLS versions) without manual configuration.
3. **Higher Operational Complexity**
- **CLI-based management** (though ASDM is available) can be less intuitive than modern GUI-driven firewalls.
- **Licensing can be confusing** (e.g., separate IPS, VPN, and AVC licenses may be required).
- **Limited automation support** compared to newer firewalls that integrate with **Ansible, Terraform, or API-driven management**.
4. **No Built-in Cloud or Zero Trust Features**
Modern firewalls include **Zero Trust Network Access (ZTNA)** and **cloud security integrations**, which are critical for today s hybrid work environments. The ASA 5515-K9 lacks these capabilities.
5. **End-of-Life (EoL) Considerations**
While still supported, the **lack of new hardware improvements** means:- **No performance upgrades** for future network demands.
- **Potential compatibility issues** with newer Cisco software versions.
- **Higher long-term costs** if replacement becomes necessary sooner than expected.
6. **Licensing Costs Can Add Up**
- **Base ASA license** is included, but **additional features (IPS, VPN, AVC)** require separate licenses, increasing total cost of ownership (TCO).
- **No bundled licensing** like some newer models offer (e.g., FTD with built-in threat intelligence).
7. **Limited Physical Port Options**
- Only **4x Gigabit Ethernet ports** (no 10G or SFP options).
- **No USB or additional expansion slots** for future upgrades.
8. **No Native Support for Modern Threat Intelligence**
- Relies on **third-party feeds** (e.g., Talos, Cisco Umbrella) for threat intelligence, whereas newer firewalls have **built-in threat feeds and machine learning**.
---
### **Conclusion**
The **Cisco ASA 5515-K9** remains a **reliable, enterprise-grade firewall** for organizations that:- Have **moderate network traffic** (under 750 Mbps for stateful inspection).
- Require **strong VPN and IPS capabilities** without needing cutting-edge features.
- Operate in **stable environments** where high availability and compliance are priorities.
- Are **budget-conscious** and can justify the purchase based on long-term support (until 2025).
However, for **modern enterprises** with:- **High-bandwidth needs** (1 Gbps ).
- **Cloud-first or hybrid workforces** requiring Zero Trust.
- **Need for advanced threat detection** (AI, UEBA, cloud integrations).
- **Future-proofing** in mind (scalability to 10 Gbps ).
**Newer alternatives like the Cisco Secure Firewall (FTD) series or Fortinet FortiGate** would be more appropriate.
---
### **Recommendation**
- **Buy the ASA 5515-K9 if:**- You are maintaining an **existing ASA 5500-series deployment** and need a replacement with similar capabilities.
- Your network **does not exceed 750 Mbps** for stateful inspection.
- You prioritize **stability, VPN, and IPS** over modern threat intelligence.
- You have a **long-term support contract** (until 2025) and can manage licensing separately.
- **Avoid the ASA 5515-K9 if:**- You need **10 Gbps throughput** or support for **modern applications**.
- Your organization is **migrating to cloud or hybrid work models** requiring Zero Trust.
- You want **simplified management** (GUI-driven, API-friendly).
- You can afford a **newer Cisco Secure Firewall (FTD) or Fortinet FortiGate** for better long-term value.
#### **Best Alternatives:** 1. **For Mid-Range Upgrade:**- **Cisco ASA 5525-X** (higher performance, better port options).
- **Cisco Firepower 2100 Series** (better threat detection, cloud integration).
2. **For High-End Enterprise:**- **Cisco Secure Firewall (FTD) 4100 Series** (10 Gbps, AI-driven security).
- **Fortinet FortiGate 60F/100F** (high performance, unified threat management).
3. **For Budget-Conscious SMBs:**- **Cisco ASA 5506-X** (if your needs are smaller).
- **Palo Alto Networks PA-220** (better application control).
#### **Final Verdict:**The **ASA 5515-K9 is a solid but aging choice** that works well for **legacy enterprise environments** where cost and reliability are prioritized over innovation. For **new deployments or growing networks**, investing in a **modern NGFW (Next-Generation Firewall)** like the **Cisco Secure Firewall or Fortinet FortiGate** would be a more future-proof decision.
Details:
All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such.
CISCO ASA5515-K9 / ASA5515K9 USED ASA 5515-X WITH SW, 6GE DATA, 1GE MGMT, AC, 3DES'AES.
part #: asa5515k9 prices
- $44.99-$89.99
specifications sensoindustria:
- brand: Cisco
- mpn: Asa5515-k9
- part type: Module
payments sensoindustria:
- wallet: Google-pay
- credit card: Discover
- other
returns sensoindustria:
- paid by: Buyer
- time: 30 Days
- policy: Returns Accepted
- method: Money back
seller sensoindustria:
- city: 1 Millennium Dr, Willingboro, NJ 08046
- # reviews: 193993
- rating: 99.6%
offer sensoindustria:
- started: March 10, 2026
- sold: 0
- availability: In Stock
- quantity: 1
- best offers: True
- options: Ship-to-home
general sensoindustria:
- PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
- condition: Used
shipping sensoindustria:
- cost: $12.90
- transit: 29-34 Days
- type: Fixed
- class: Standard
- service: Standard
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