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ASA 5555-X provides reliable firewall performance and consistent throughput for mid-sized enterprise networks.
ASA5555-K8
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ASA 5555-X WITH SW 8GE DATA 1GE MGMT AC DES
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Name:
ASA5555-K8
- Description:
- ASA 5555-X WITH SW 8GE DATA 1GE MGMT AC DES
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- Brand:
- Cisco
- GTIN:
- 882658487620
- Condition:
- Warranty:
- 3
- List Price:
$24,995.00
- Price:
$13,765.0044.9% off
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1
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ASA5555-K8 Overview
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.
ASA5555-K8 Specifications
- Power Source
- AC Power Supply
- Form Factor
- Rack-mount
- Rack Units
- 1 RU
- Redundant Power Supply Supported
- Yes
- Weight
- 25 lbs
- Depth
- 20 inches
- Height
- 1 inch
- Width
- 18 inches
- WAN Ports
- 2 WAN
- Memory
- 8 GB
- LAN Ports
- 8 LAN Ports
- Expansion Slots
- SFP
- Architecture
- Rack-mount
- Users/Nodes
- Unlimited
- Switch Ports
- Yes
- POE Ports
- No
- Logging & Monitoring
- Built-in
- Device Type
- NGFW
- Product Type
- Firewall Appliance
- Deployment Type
- Enterprise / Branch Office
- Firewall Layer Supported
- Layer 3 / Layer 4 / Layer 7
- Concurrent Sessions
- 500,000
- Maximum Concurrent Sessions
- 1,000,000
- New Sessions Per Second
- 50,000
- Interfaces
- RJ-45 / SFP
- Management Options
- Cloud / CLI / GUI / SNMP
- Flash Storage
- 128 GB
- Supported VPN Types
- IPSec / SSL VPN
- Routing Protocols Supported
- OSPF / BGP / RIP / Static Routing
- Firewall Policies Supported
- 1000
- Use Case
- VPN / Secure Access / Segmentation / UTM
- Security Services
- Antivirus / Web Filtering / Application Control / IPS / DLP / Sandboxing / VPN
- Centralized Configuration & Reporting
- Yes
- Feature
- Advanced threat protection
- Integrated I/O
- 4
- High Availability
- Active-Active
- Supported Applications
- 10
- Firewall Throughput
- 5 Gbps
- Threat Protection Throughput
- 2 Gbps
- IPS Throughput
- 1 Gbps
- VPN Throughput
- 3 Gbps
- Users Supported
- 100,000
- Product Name
- ASA5555-K8 Next-Generation Firewall
ASA5555-K8 Use Case
Securing Data Center Perimeter with ASA5555-K8-ASA 5555-X
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.
High-Performance IPsec VPN for Remote Offices and Mobile Workforce
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.
PCI DSS Compliance and E-commerce Transaction Security
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| ASA5555-K8 |  ASA5505-BUN-K9 |  ASA5585-S40-2D-K9 |  ASA5585-S20-K7 |  ASA5515-K9 | |
|---|---|---|---|---|---|
| Product Type | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance |
| Architecture | Rack-mount | Desktop | Rack-mount | Rack-mount | Rack-mount |
| Deployment Type | Enterprise / Branch Office | Small Business / Branch Office | Enterprise / Data Center / Branch Office | Enterprise / Data Center / Branch Office | Enterprise / Branch Office |
| Use Case | VPN / Secure Access / Segmentation / UTM | VPN / UTM | VPN / Secure Access / UTM | VPN / Secure Access / UTM | VPN / Secure Access / UTM |
| 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 |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Redundant Power Supply Supported | Yes | No | Yes | Yes | Yes |
| Firewall Throughput | 5 Gbps | 150 Mbps | 40 Gbps | 20 Gbps | 450 Mbps |
| Threat Protection Throughput | 2 Gbps | N/A | N/A | 15 Gbps | 400 Mbps |
| IPS Throughput | 1 Gbps | N/A | N/A | 10 Gbps | 200 Mbps |
| VPN Throughput | 3 Gbps | 50 Mbps | N/A | 5 Gbps | 250 Mbps |
| Supported Applications | 10 | N/A | N/A | 500 | 128 |
| Centralized Configuration & Reporting | Yes | ASDM | Yes | Yes | Cisco ASDM / Cisco Security Manager |
| Feature | Advanced threat protection | Stateful Inspection | Next-Generation Firewall with Integrated IPS, Antivirus, Web Filtering, and VPN | Comprehensive threat intelligence integration | Next-Generation Firewall |
| Concurrent Sessions | 500,000 | 25000 | 1,000,000 | 2 Million | 250,000 |
| Maximum Concurrent Sessions | 1,000,000 | 25000 | 1,000,000 | 2.5 Million | 250,000 |
| Users/Nodes | Unlimited | 250 | Unlimited | Unlimited | Unlimited |
| Integrated I/O | 4 | 8 | N/A | 4 | N/A |
| New Sessions Per Second | 50,000 | N/A | N/A | 50,000 | 20,000 |
| Supported VPN Types | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / L2TP |
| 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 |
| High Availability | Active-Active | Active-Passive | Active-Passive | Active-Passive | Active-Passive |
| Interfaces | RJ-45 / SFP | RJ-45 | SFP | RJ-45 / SFP | RJ-45 / SFP |
| WAN Ports | 2 WAN | N/A | 2 WAN | 2 WAN | 2 WAN |
| LAN Ports | 8 LAN Ports | 8 LAN Ports | N/A | 8 LAN Ports | 8 LAN Ports |
| Switch Ports | Yes | Yes | No | Yes | No |
| POE Ports | No | No | No | No | No |
| Management Options | Cloud / CLI / GUI / SNMP | CLI / GUI / SNMP | CLI / GUI / SNMP | Cloud / CLI / GUI / SNMP | CLI / GUI / SNMP |
| Logging & Monitoring | Built-in | Built-in / Syslog | Built-in / Syslog | Built-in / Syslog / Cloud Logging | Built-in / Syslog |
| Firewall Policies Supported | 1000 | N/A | N/A | 500 | N/A |
| Users Supported | 100,000 | N/A | N/A | Unlimited | 250,000 |
| Memory | 8 GB | N/A | 16 GB | 16 GB | 4 GB |
| Flash Storage | 128 GB | N/A | 64 GB | 128 GB | 8 GB |
| Expansion Slots | SFP | N/A | SFP | SFP | N/A |
| Form Factor | Rack-mount | Desktop | 1 RU | 2 RU | 1 RU |
| Rack Units | 1 RU | N/A | 1 RU | 2 RU | 1 RU |
| Device Type | NGFW | NGFW | NGFW | NGFW | NGFW |
| Product Name | ASA5555-K8 Next-Generation Firewall | ASA5505-BUN-K9 | ASA5585-S40-2D-K9 | ASA5585-S20-K7 | Cisco ASA5515-K9 |
| Height | 1 inch | N/A | 1.75 inches | 3.5 inches | 1.75 inches |
| Width | 18 inches | N/A | 17.3 inches | 17 inches | 17 inches |
| Depth | 20 inches | N/A | 18.7 inches | 17 inches | 18 inches |
| Weight | 25 lbs | N/A | 30 lbs | 35 lbs | 14 lbs |
Reviews & Ratings
A
Alina Monroe
5
Simple deployment and professional-grade security.
B
Blair Steele
4
Handles network traffic efficiently and reliably.
C
Cyrus Barrett
4
Durable appliance ideal for critical operations.
D
Dahlia Hayes
4
Stable operation with minimal maintenance.
Questions & Answers
What is the Cisco ASA 5555-X with SW 8GE Data 1GE Mgmt AC DES (SKU: ASA5555-K8)?
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.
What are the core hardware specifications of the ASA5555-K8?
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.
How many data and management ports does the ASA 5555-X (SKU: ASA5555-K8) have?
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.
What is the firewall throughput of the ASA5555-K8?
The ASA5555-K8 delivers up to 10 Gbps of firewall throughput, ensuring high-performance traffic inspection and low latency for enterprise environments.
Does the ASA 5555-X support high availability and failover?
Yes, the ASA 5555-X supports Active/Standby and Active/Active high availability modes, providing seamless failover and continuous network uptime.
Which power supply is included with the ASA5555-K8?
The ASA5555-K8 comes with a single AC power supply (AC DES) rated at 100–240VAC with automatic voltage selection and standard IEC power input.
What software and operating system does the ASA 5555-X run?
The ASA 5555-X runs Cisco Adaptive Security Appliance (ASA) Software Release with integrated Cisco Firepower services, delivering stateful firewall, VPN, and IPS functionality.
How are security features licensed on the ASA5555-K8?
Security features on the ASA5555-K8 are licensed via Cisco Smart Licenses, enabling flexible activation of firewall, VPN, URL filtering, and threat detection services.
Which advanced security services are supported on the ASA 5555-X?
The ASA 5555-X supports Cisco Firepower Threat Defense, IPS, Advanced Malware Protection (AMP), URL filtering, and secure remote access VPN.
What deployment scenarios are ideal for the ASA5555-K8?
The ASA5555-K8 is ideal for data center edge, campus core, branch aggregation, and secure remote site deployments requiring high throughput and advanced security.
Is the ASA 5555-X compatible with existing Cisco network infrastructure?
Yes, the ASA 5555-X integrates seamlessly with Cisco Catalyst and Nexus switches, Cisco routers, and Cisco management platforms like Cisco Defense Orchestrator.
How do I configure the management interface on the ASA5555-K8?
Access the ASA 5555-X management interface via the dedicated Gigabit Ethernet port using HTTPS or SSH with the default IP 192.168.1.1 and change settings in the ASDM or CLI.
What are the environmental and rack-mount specifications of the ASA5555-K8?
The ASA5555-K8 fits a standard 19-inch rack (1RU), operates at 32–104°F (0–40°C), supports 10–90% non-condensing humidity, and meets CISPR 22 and FCC Class A emissions.
What warranty and support options are available for the ASA 5555-X?
The ASA 5555-X includes a 90-day Cisco Limited Hardware Warranty and access to Cisco TAC; extended warranties and Cisco SMARTnet support are available separately.
Where can I purchase the Cisco ASA 5555-X (SKU: ASA5555-K8)?
You can purchase the ASA 5555-X (ASA5555-K8) through authorized Cisco resellers, distributors, or the Cisco online store. Contact your Cisco partner for pricing and availability.