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ASA5555-K8
ASA 5555-X WITH SW 8GE DATA 1GE MGMT AC DES
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ASA5555-K8 is a high-performance, rack-mounted hardware security appliance engineered for demanding enterprise and branch office networks. It features a robust throughput capacity that meets high-volume traffic demands, multiple port configurations including LAN, WAN, and SFP for flexible connectivity, and dual AC power supplies with redundancy to ensure continuous operation. The appliance supports an array of security services—IPS, antivirus, web filtering, VPN, application control, DLP, and sandboxing—tailored to protect against evolving cyber threats.
Designed for seamless management and deployment, ASA5555-K8 integrates centralized configuration and reporting with support for cloud, CLI, and GUI interfaces, making it suitable for SMB to large-scale enterprise use cases. Its scalable architecture, high availability with active-active clustering, and capability to handle hundreds of thousands of concurrent sessions make it an ideal solution for organizations looking to secure high-traffic networks while ensuring reliability and rapid threat mitigation.
ASA5555-K8 price is $13,765.00, a 44.9% saving from the Cisco list price of $24,995.00. ASA5555-K8 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ASA5555-K8 for additional pricing. Browse the full Asa 5500 Series Business Edition Bundles series or explore all Cisco products.
In a high-traffic enterprise data center, ASA5555-K8-ASA 5555-X WITH SW 8GE DATA 1GE MGMT AC DES enforces perimeter security with multi-gigabit firewall throughput and integrated intrusion prevention. The dedicated 1GE management port centralizes policy control, ensuring continuous threat visibility and streamlined rule updates. Benefit: Fortified breach prevention, optimized performance, and compliance assurance.
For distributed enterprises, ASA5555-K8-ASA 5555-X WITH SW 8GE DATA 1GE MGMT AC DES delivers scalable IPsec VPN services across eight 1GE data ports, supporting thousands of concurrent secure tunnels with AES encryption. Its hardware acceleration and dedicated management interface simplify deployment and real-time monitoring. Benefit: Secure, low-latency connectivity, simplified VPN management, and guaranteed SLA uptime.
In e-commerce infrastructures processing payment card data, ASA5555-K8-ASA 5555-X WITH SW 8GE DATA 1GE MGMT AC DES enforces PCI DSS-compliant encryption (DES, 3DES, AES) and Layer 7 application inspection across eight data interfaces. Real-time logging and automated threat intelligence support audit requirements without impacting transaction throughput. Benefit: Minimized fraud risk, regulatory compliance, and seamless customer experience.
To get the detailed certification, please go to the Compliance Center.
 ASA5555-K8 |  ASA5505-BUN-K9 |  ASA5585-S40-2D-K9 |  ASA5585-S20-K7 |  ASA5515-K9 | |
|---|---|---|---|---|---|
| Architecture | Rack-mount | Desktop | Rack-mount | Rack-mount | Rack-mount |
| Centralized Configuration & Reporting | Yes | ASDM | Yes | Yes | Cisco ASDM / Cisco Security Manager |
| Concurrent Sessions | 500,000 | 25000 | 1,000,000 | 2 Million | 250,000 |
| Deployment Type | Enterprise / Branch Office | Small Business / Branch Office | Enterprise / Data Center / Branch Office | Enterprise / Data Center / Branch Office | Enterprise / Branch Office |
| Depth | 20 inches | N/A | 18.7 inches | 17 inches | 18 inches |
| Device Type | NGFW | NGFW | NGFW | NGFW | NGFW |
| Expansion Slots | SFP | N/A | SFP | SFP | N/A |
| Feature | Advanced threat protection | Stateful Inspection | Next-Generation Firewall with Integrated IPS, Antivirus, Web Filtering, and VPN | Comprehensive threat intelligence integration | Next-Generation Firewall |
| Firewall Layer Supported | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 7 | Layer 3 / Layer 4 / Layer 7 |
| Firewall Policies Supported | 1000 | N/A | N/A | 500 | N/A |
| Firewall Throughput | 5 Gbps | 150 Mbps | 40 Gbps | 20 Gbps | 450 Mbps |
| Flash Storage | 128 GB | N/A | 64 GB | 128 GB | 8 GB |
| Form Factor | Rack-mount | Desktop | 1 RU | 2 RU | 1 RU |
| Height | 1 inch | N/A | 1.75 inches | 3.5 inches | 1.75 inches |
| High Availability | Active-Active | Active-Passive | Active-Passive | Active-Passive | Active-Passive |
| IPS Throughput | 1 Gbps | N/A | N/A | 10 Gbps | 200 Mbps |
| Integrated I/O | 4 | 8 | N/A | 4 | N/A |
| Interfaces | RJ-45 / SFP | RJ-45 | SFP | RJ-45 / SFP | RJ-45 / SFP |
| LAN Ports | 8 LAN Ports | 8 LAN Ports | N/A | 8 LAN Ports | 8 LAN Ports |
| Logging & Monitoring | Built-in | Built-in / Syslog | Built-in / Syslog | Built-in / Syslog / Cloud Logging | Built-in / Syslog |
| Management Options | Cloud / CLI / GUI / SNMP | CLI / GUI / SNMP | CLI / GUI / SNMP | Cloud / CLI / GUI / SNMP | CLI / GUI / SNMP |
| Maximum Concurrent Sessions | 1,000,000 | 25000 | 1,000,000 | 2.5 Million | 250,000 |
| Memory | 8 GB | N/A | 16 GB | 16 GB | 4 GB |
| New Sessions Per Second | 50,000 | N/A | N/A | 50,000 | 20,000 |
| POE Ports | No | No | No | No | No |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | ASA5555-K8 Next-Generation Firewall | ASA5505-BUN-K9 | ASA5585-S40-2D-K9 | ASA5585-S20-K7 | Cisco ASA5515-K9 |
| Product Type | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance |
| Rack Units | 1 RU | N/A | 1 RU | 2 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | Yes | Yes | Yes |
| Routing Protocols Supported | OSPF / BGP / RIP / Static Routing | OSPF / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / Static Routing | OSPF / BGP / RIP / Static Routing |
| Security Services | Antivirus / Web Filtering / Application Control / IPS / DLP / Sandboxing / VPN | VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | IPS / Antivirus / Web Filtering / VPN |
| Supported Applications | 10 | N/A | N/A | 500 | 128 |
| Supported VPN Types | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / L2TP |
| Switch Ports | Yes | Yes | No | Yes | No |
| Threat Protection Throughput | 2 Gbps | N/A | N/A | 15 Gbps | 400 Mbps |
| Use Case | VPN / Secure Access / Segmentation / UTM | VPN / UTM | VPN / Secure Access / UTM | VPN / Secure Access / UTM | VPN / Secure Access / UTM |
| Users Supported | 100,000 | N/A | N/A | Unlimited | 250,000 |
| Users/Nodes | Unlimited | 250 | Unlimited | Unlimited | Unlimited |
| VPN Throughput | 3 Gbps | 50 Mbps | N/A | 5 Gbps | 250 Mbps |
| WAN Ports | 2 WAN | N/A | 2 WAN | 2 WAN | 2 WAN |
| Weight | 25 lbs | N/A | 30 lbs | 35 lbs | 14 lbs |
| Width | 18 inches | N/A | 17.3 inches | 17 inches | 17 inches |
ASA 5555-X provides reliable firewall performance and consistent throughput for mid-sized enterprise networks.
Simple deployment and professional-grade security.
Handles network traffic efficiently and reliably.
Durable appliance ideal for critical operations.
Stable operation with minimal maintenance.
The Cisco ASA 5555-X with SW 8GE Data 1GE Mgmt AC DES (SKU: ASA5555-K8) is an enterprise-grade firewall appliance offering advanced threat protection, secure VPN services, and flexible deployment for midsize to large networks.
The ASA5555-K8 features a multi-core CPU, 8 x Gigabit Ethernet data ports, 1 x Gigabit Ethernet management port, 8 GB DRAM, and 4 GB flash memory in a 1RU chassis.
The ASA 5555-X includes 8 Gigabit Ethernet data ports for network traffic and 1 dedicated Gigabit Ethernet management port for out-of-band administration.
The ASA5555-K8 delivers up to 10 Gbps of firewall throughput, ensuring high-performance traffic inspection and low latency for enterprise environments.