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ASA5512-K9
ASA 5512-X with SW, 6GE Data, 1GE Mgmt, AC, 3DES/AES
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ASA5512-K9 is a rack-mount hardware appliance engineered for enterprise and branch office deployments. It delivers a firewall throughput of 2.5 Gbps and comes equipped with 8 LAN ports, 2 WAN ports, and additional SFP/SFP+ interfaces for diverse connectivity options, all powered by an AC supply with redundant support to maintain continuous operations.
ASA5512-K9 integrates a broad suite of security services including IPS, antivirus, web filtering, application control, and VPN functionalities. With centralized and cloud management capabilities, active-passive high availability, and scalable clustering options, this appliance is purpose-built for use cases demanding resilient VPN connectivity, secure segmentation, UTM, and rapid threat mitigation.
ASA5512-K9 price is $2,105.00, a 47.3% saving from the Cisco list price of $3,995.00. ASA5512-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ASA5512-K9 for additional pricing. Browse the full Asa 5500 Series Business Edition Bundles series or explore all Cisco products.
In a global consultancy firm, IT deploys the ASA5512-K9-ASA5512-X with SW, 6GE Data, 1GE Mgmt, AC, 3DES/AES to establish high-performance IPsec VPN tunnels for 500+ remote consultants. Leveraging 3DES/AES encryption and dedicated management interfaces, the solution enforces granular access policies, ensures compliance with industry standards, and delivers sub-5 ms latency for VoIP and collaboration tools. Outcome: robust end-to-end data protection, simplified policy administration, and a 40% reduction in unauthorized access incidents.
A mid-sized e-commerce operator uses ASA5512-K9-ASA5512-X with SW, 6GE Data, 1GE Mgmt, AC, 3DES/AES to segment its data center into DMZ, application, and database zones. With hardware-accelerated firewall throughput of up to 300 Mbps and AES-256 VPN encryption, the ASA appliance isolates sensitive payment systems, enforces PCI DSS controls, and maintains 99.99% uptime. Outcome: streamlined compliance audits, 50% faster threat containment, and zero measurable downtime during peak sale events.
A regional retail chain implements dual ASA5512-K9-ASA5512-X units in active/standby mode across 50 branch sites, using 6GE Data ports and 1GE Mgmt interfaces to support POS transactions, VoIP, and inventory sync over encrypted 3DES/AES tunnels. Automated failover and centralized management reduce on-site IT support calls by 60% while sustaining 200 Mbps of concurrent encrypted traffic. Outcome: uninterrupted store operations, consistent security posture, and 30% lower WAN costs through optimized bandwidth usage.
To get the detailed certification, please go to the Compliance Center.
 ASA5512-K9 |  ASA5555-DC-K8 |  ASA5585-S60-2A-K8 |  ASA5585-S60-2A-K9 |  ASA5555-CU-2AC-K9 | |
|---|---|---|---|---|---|
| Architecture | Rack-mount | Rack-mount | Chassis | Rack-mount | Rack-mount |
| Centralized Configuration & Reporting | Cisco Defense Orchestrator | Yes | Cloud / CLI / GUI / REST API / SNMP | Centralized | Yes |
| Concurrent Sessions | 250,000 | 500,000 | N/A | 600,000 | 500000 |
| Deployment Type | Enterprise / Branch Office | Enterprise / Branch Office | Enterprise / Data Center | Enterprise | Enterprise / Branch Office |
| Depth | 15.7 inches | 18 inches | N/A | N/A | 18.5 inches |
| Device Type | NGFW | NGFW | NGFW | NGFW | NGFW |
| Expansion Slots | SFP | SFP | SFP | N/A | SFP |
| Feature | Next-Generation Firewall with FirePOWER Services | Integrated Security, Advanced Threat Protection | High availability, clustering | Next-Generation Firewall | High Performance, Scalable, and Clustering Options |
| Firewall Layer Supported | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 7 | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 / Layer 7 |
| Firewall Policies Supported | 500 | 200 | N/A | N/A | 200 |
| Firewall Throughput | 2.5 Gbps | 10 Gbps | 60 Gbps | 60 Gbps | 5 Gbps |
| Flash Storage | 128 GB | 128 GB | 128 GB SSD | 64 GB | 128 GB |
| Form Factor | 1 RU | 2 RU | Chassis | Rack-mount | 1 RU |
| Height | 1.73 inches | 4.5 inches | N/A | N/A | 1.8 inches |
| High Availability | Active-Passive | Active-Active | Active-Passive | Active-Passive | Active-Passive |
| IPS Throughput | 525 Mbps | 5 Gbps | N/A | 10 Gbps | 2 Gbps |
| Integrated I/O | 8 | 8 | N/A | N/A | 8 |
| Interfaces | RJ-45 / SFP / SFP+ | RJ-45 / SFP+ | RJ-45 / SFP | SFP+ | RJ-45 / SFP |
| LAN Ports | 8 LAN Ports | 8 LAN Ports | 4 LAN Ports | N/A | 8 LAN Ports |
| Logging & Monitoring | Built-in | Built-in / Syslog | Built-in / Syslog | Built-in | Built-in |
| Management Options | Cloud / CLI / GUI / Centralized / REST API / SNMP | Cloud / CLI / GUI / Centralized / REST API / SNMP | Cloud / CLI / GUI / REST API / SNMP | CLI / GUI / Centralized / SNMP | Cloud / CLI / GUI / Centralized / REST API / SNMP |
| Maximum Concurrent Sessions | 1,000,000 | 1,000,000 | N/A | 600,000 | 1000000 |
| Memory | 8 GB | 16 GB | 16 GB | 16 GB | 8 GB |
| New Sessions Per Second | 20,000 | 50,000 | N/A | 60000 | 20000 |
| 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 ASA5512-K9 | ASA5555-DC-K8 | ASA5585-S60-2A-K8 | ASA5585-S60-2A-K9 | ASA5555-CU-2AC-K9 |
| Product Type | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance |
| Rack Units | 1 RU | 2 RU | 4 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| Routing Protocols Supported | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing |
| Security Services | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN |
| Supported Applications | N/A | 50 | N/A | N/A | 250 |
| Supported VPN Types | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / L2TP |
| Switch Ports | Yes | Yes | No | No | Yes |
| Threat Protection Throughput | 650 Mbps | 6 Gbps | N/A | N/A | 3 Gbps |
| Use Case | VPN / Secure Access / Segmentation / UTM | VPN / Secure Access / UTM | VPN / Secure Access / UTM | UTM | VPN / Secure Access / UTM |
| Users Supported | N/A | 50,000 | N/A | N/A | Unlimited |
| Users/Nodes | Unlimited | Unlimited | N/A | Unlimited | Unlimited |
| VPN Throughput | 1.25 Gbps | 7 Gbps | 10 Gbps | 40 Gbps | 1.5 Gbps |
| WAN Ports | 2 WAN | 4 WAN | 2 WAN | N/A | 2 WAN |
| Weight | 22 lbs | 25 lbs | N/A | N/A | 20 lbs |
| Width | 17.2 inches | 17 inches | N/A | N/A | 17.3 inches |
ASA 5512-X provides excellent firewall throughput with minimal latency, perfect for mid-sized offices.
Stable, reliable, and easy to configure appliance.
Professional-grade security with consistent network protection.
Handles medium enterprise traffic efficiently and reliably.
Durable firewall appliance for critical applications.
The ASA5512-K9 is a next-generation Cisco ASA 5512-X firewall with integrated SW, six Gigabit Ethernet data ports, one Gigabit management port, AC power, and 3DES/AES encryption.
Key specs include six Gigabit Ethernet data interfaces, one Gigabit management port, AC power supply, a multi-core CPU, and hardware acceleration for 3DES/AES encryption.
It includes Cisco Adaptive Security Software (ASA) with basic firewall, NAT, ACLs, site-to-site and remote-access VPN, and integrated high-availability support.
The ASA5512-K9 delivers up to 300 Mbps of maximum firewall throughput, ensuring secure and efficient traffic inspection for SMB to enterprise edge deployments.