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ASA5585-S20X-K9
ASA 5585-X CHASSIS WITH SSP20 8GE 2SFP+ 2GE MGMT 2 AC 3DES/A...
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ASA5585-S20X-K9 is a high-performance rack-mounted security appliance engineered for enterprise, data center, branch, and cloud deployments. It delivers robust firewall protection with a 20 Gbps throughput capacity and features versatile port configurations including LAN, WAN, and SFP interfaces, all powered by redundant AC power supply options.
ASA5585-S20X-K9 is designed to support advanced security services such as IPS, antivirus, web filtering, and VPN functionalities, offering integrated management via CLI, GUI, and SNMP for streamlined deployment and centralized reporting. With scalability, active-passive high availability, and clustering support, this device meets the demands of modern, security-driven network infrastructures.
ASA5585-S20X-K9 price is $37,198.00, a 55.7% saving from the Cisco list price of $83,995.00. ASA5585-S20X-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ASA5585-S20X-K9 for additional pricing. Browse the full Cisco Asa 5500 Series series or explore all Cisco products.
A Fortune 500 data center handling 35 Gbps of web, database and application traffic deploys the ASA5585-S20X-K9-ASA 5585-X chassis with SSP20 to deliver 20 Gbps of hardware-accelerated stateful firewall and IPS inspection. With 8×1GE, 2×SFP+ interfaces, dual AC power and built-in 3DES/AES encryption, it achieves 99.999% uptime and sub-millisecond failover. Benefit: uninterrupted perimeter defense, consistent low-latency performance and full compliance with enterprise security mandates.
A global retailer connects five geographically dispersed data centers over IPsec, consolidating traffic through the ASA5585-S20X-K9-ASA 5585-X chassis with SSP20 as a high-performance VPN concentrator. Leveraging 2 Gbps of dedicated encrypted throughput, 8 Gigabit and 2 SFP+ ports plus 3DES/AES offload, it delivers sub-30 ms replication latency and FIPS-compliant encryption. Benefit: centralized policy management, secure data replication and reduced operational complexity.
A multinational financial services firm supports 2,000 simultaneous SSL VPN users on the ASA5585-S20X-K9-ASA 5585-X chassis with SSP20, delivering 1.5 Gbps of encrypted remote‐access throughput. Dual management ports, redundant AC power and hardware-accelerated AES ensure 24×7 connectivity and 40% higher VPN performance than software-only solutions. Benefit: resilient, high-speed remote access, improved end-user experience and stringent regulatory compliance.
To get the detailed certification, please go to the Compliance Center.
| ASA5585-S20X-K9 |  ASA5506-SEC-BUN-K9 |  ASA5545-CU-2AC-K9 |  ASA5580-40-10GE-K9 |  ASA5550-BUN-K9 | |
|---|---|---|---|---|---|
| Architecture | Rack-mount | Desktop | Rack-mount | Rack-mount | Rack-mount |
| Centralized Configuration & Reporting | Cisco ASA Management Center | Centralized | Cisco ASDM & Cisco Security Manager | Cisco ASDM / Cisco Security Manager | Cisco ASDM, SNMP, syslog |
| Concurrent Sessions | 1000000 | 25000 | 150,000 | 100000 | 650,000 |
| Deployment Type | Enterprise / Data Center / Branch / Cloud | Small Business / Branch Office | Enterprise / Branch Office | Enterprise / Data Center | Enterprise / Branch Office |
| Depth | 30 inches | 15.7 inches | 19 inches | 18 inches | 20.9 inches |
| Device Type | NGFW | NGFW | NGFW | NGFW | NGFW |
| Expansion Slots | SFP | N/A | SFP | N/A | SFP |
| Feature | Integrated Security Services | Next-Generation Firewall features | Advanced Malware Protection | Advanced threat protection, VPN, IPS, antivirus, web filtering, high availability clustering | High Performance Security Services |
| Firewall Layer Supported | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 | Layer 3, Layer 4, Layer 7 | Layer 3 | Layer 3 / Layer 4 / Layer 7 |
| Firewall Policies Supported | N/A | N/A | 5000 | N/A | N/A |
| Firewall Throughput | 20 Gbps | 300 Mbps | 3.2 Gbps | 10 Gbps | 750 Mbps |
| Flash Storage | 128 GB SSD | 8 GB | 64 GB | 128 GB | 16 GB |
| Form Factor | Rack-mount | Desktop | 1 RU | 2 RU | 1 RU |
| Height | 3.44 inches | 1.8 inches | 1.75 inches | 3.5 inches | 4.3 inches |
| High Availability | Active-Passive | Active-Passive | Active-Passive | Active-Passive | Active-Passive |
| IPS Throughput | 4 Gbps | 150 Mbps | 1.25 Gbps | 8 Gbps | 300 Mbps |
| Integrated I/O | N/A | 8 | N/A | 40 | 8 |
| Interfaces | RJ-45 / SFP | RJ-45 | RJ-45, SFP | SFP+ | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 8 LAN Ports | 8 LAN Ports | 40 LAN Ports | 4 LAN Ports |
| Logging & Monitoring | Built-in / Syslog | Built-in / Syslog | Built-in, Syslog, Cloud Logging | Built-in / Syslog | Built-in / Syslog |
| Management Options | CLI / GUI / SNMP | CLI / GUI / SNMP | CLI, GUI, Centralized, REST API, SNMP | CLI / GUI / SNMP | CLI / GUI / SNMP |
| Maximum Concurrent Sessions | 1000000 | 50000 | 300,000 | 100000 | 650,000 |
| Memory | 16 GB | 4 GB | 8 GB | 16 GB | 4 GB |
| New Sessions Per Second | 50000 | 3000 | 30,000 | 20000 | 100,000 |
| 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 | Cisco ASA 5585-X S20X-K9 Security Appliance | Cisco ASA5506-SEC-BUN-K9 | Cisco ASA5545-CU-2AC-K9 | ASA5580-40-10GE-K9 | ASA5550-BUN-K9 |
| Product Type | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance |
| Rack Units | 2 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 / BGP / RIP / Static Routing | OSPF, BGP, RIP, Static Routing | Static Routing | OSPF / BGP / RIP / Static Routing |
| Security Services | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / IPS / VPN | Antivirus, Web Filtering, Application Control, IPS, VPN | Antivirus / Web Filtering / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN |
| Supported Applications | N/A | N/A | N/A | 8 | N/A |
| Supported VPN Types | IPSec / SSL VPN | IPSec / SSL VPN | IPSec, SSL VPN, L2TP | IPSec / SSL VPN | IPSec / SSL VPN |
| Switch Ports | No | Yes | Yes | No | No |
| Threat Protection Throughput | 9 Gbps | 150 Mbps | N/A | 8 Gbps | 450 Mbps |
| Use Case | VPN / Secure Access / UTM | VPN / Secure Access / UTM | VPN / Secure Access / UTM | VPN / Secure Access / IPS / UTM | VPN / Secure Access / UTM |
| Users Supported | N/A | N/A | 10,000 | N/A | N/A |
| Users/Nodes | Unlimited | 250 | Unlimited | Unlimited | N/A |
| VPN Throughput | 12 Gbps | 100 Mbps | 1.2 Gbps | 6 Gbps | 450 Mbps |
| WAN Ports | 2 WAN | N/A | 2 WAN | N/A | 2 WAN |
| Weight | 50 lbs | 16 lbs | 25 lbs | 30 lbs | 39 lbs |
| Width | 17.2 inches | 17.7 inches | 17 inches | 17.3 inches | 17.1 inches |
Robust 5585-X with SSP20 delivers reliable firewall performance and excellent enterprise-grade throughput.
Easy deployment with minimal downtime and stable network operations.
Handles high-traffic environments efficiently with consistent reliability.
Professional-grade security appliance for critical enterprise networks.
Durable and dependable under heavy workloads.
The ASA 5585-X chassis with SSP20 is a high-throughput security appliance that integrates a specialized service module (SSP20) for advanced firewall, VPN, and intrusion prevention in enterprise networks.
It offers 8 fixed Gigabit Ethernet ports, 2 SFP+ interfaces for 10Gbps uplinks, and 2 dedicated Gigabit Ethernet management ports.
The unit includes dual AC redundant power supplies for high availability and continuous operation.
It supports 3DES and AES encryption, including AES-128 and AES-256, for secure VPN tunnels.
Worldwide