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Reliable ASA appliance with robust firewall and VPN capabilities for enterprise networks.
FPR4120-ASA-K9
FIREPOWER 4120 ASA APPL 1U 2X NETMOD BAYS
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Name:
FPR4120-ASA-K9
- Description:
- FIREPOWER 4120 ASA APPL 1U 2X NETMOD BAYS
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- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 662274722646
- Condition:
- Warranty:
- 3
- List Price:
$149,995.00
- Price:
$71,048.0052.6% off
Quantity:
1
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FPR4120-ASA-K9 Overview
FPR4120-ASA-K9 is a rack-mounted hardware appliance engineered for high-performance network security that delivers multi-gigabit firewall throughput and supports configurable port options including LAN, WAN, and SFP interfaces, all powered by dual redundant AC power supplies for continuous operation. The design emphasizes reliable, scalable performance in demanding network environments.
FPR4120-ASA-K9 integrates advanced security services such as IPS, antivirus, web filtering, and VPN, making it ideal for deployment in enterprise, branch office, and cloud configurations. It offers centralized management via CLI, GUI, and REST API, supports high availability through active-passive clustering, and is tailored for use cases that require strict segmentation, secure access, and unified threat management.
FPR4120-ASA-K9 price is $71,048.00, a 52.6% saving from the Cisco list price of $149,995.00. FPR4120-ASA-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for FPR4120-ASA-K9 for additional pricing. Browse the full Cisco Firepower 2000 Series Appliances series or explore all Cisco products.
FPR4120-ASA-K9 Specifications
- Product Type
- Firewall Appliance
- Architecture
- Rack-mount
- Deployment Type
- Enterprise / Branch Office
- Use Case
- VPN / Secure Access / Segmentation / UTM
- Firewall Layer Supported
- Layer 3 / Layer 4 / Layer 7
- Power Source
- AC Power Supply
- Redundant Power Supply Supported
- Yes
- Firewall Throughput
- 40 Gbps
- Threat Protection Throughput
- 20 Gbps
- IPS Throughput
- 15 Gbps
- VPN Throughput
- 10 Gbps
- Supported Applications
- 300
- Centralized Configuration & Reporting
- Cisco Firepower Management Center (FMC)
- Feature
- Advanced Threat Defense
- Concurrent Sessions
- 1,000,000
- Maximum Concurrent Sessions
- 2,000,000
- Users/Nodes
- Unlimited
- Integrated I/O
- 4
- New Sessions Per Second
- 50,000
- Supported VPN Types
- IPSec / SSL VPN
- Routing Protocols Supported
- OSPF / BGP / RIP / Static Routing
- Security Services
- Antivirus / Web Filtering / Application Control / IPS / VPN
- High Availability
- Active-Passive
- Interfaces
- RJ-45 / SFP
- WAN Ports
- 2 WAN
- LAN Ports
- 8 LAN Ports
- Switch Ports
- No
- POE Ports
- No
- Management Options
- CLI / GUI / Centralized / REST API / SNMP
- Logging & Monitoring
- Built-in / Syslog
- Firewall Policies Supported
- 500
- Users Supported
- Unlimited
- Memory
- 16 GB
- Flash Storage
- 128 GB SSD
- Expansion Slots
- SFP
- Form Factor
- 1 RU
- Rack Units
- 1 RU
- Device Type
- NGFW
- Product Name
- Cisco FPR4120-ASA-K9
- Height
- 1.75 inches
- Width
- 17.2 inches
- Depth
- 19.7 inches
- Weight
- 30 lbs
FPR4120-ASA-K9 Use Case
High-Performance Perimeter Defense for Global Data Centers
In a multinational enterprise data center, the FPR4120-ASA-K9-FIREPOWER 4120 ASA APPL 1U 2X NETMOD BAYS is deployed at the network edge to consolidate firewall, intrusion prevention, and advanced malware protection into a single appliance. This scenario leverages dual network module bays to segment East-West and North-South traffic, enabling real-time threat inspection at 40 Gbps aggregate throughput. Outcome: Achieves 99.999% uptime SLA, reduces hardware sprawl by 50%, and maintains PCI DSS and ISO 27001 compliance with continuous policy enforcement and automated security updates.
Secure Site-to-Site VPN for Remote Branch Connectivity
A regional retail chain implements the FPR4120-ASA-K9-FIREPOWER 4120 ASA APPL 1U 2X NETMOD BAYS to establish scalable site-to-site IPsec VPN tunnels between 200+ stores and the central ERP system. By combining ASA’s VPN acceleration with Firepower’s contextual threat analytics, the solution delivers encrypted connectivity at 500 Mbps per tunnel and deep packet inspection for POS transactions. Outcome: Reduces branch network deployment time by 60%, ensures end-to-end data integrity, and lowers annual support costs by 30% through centralized management in Cisco Firepower Management Center.
Micro-Segmentation and Compliance for Financial Services
A Tier 1 bank integrates the FPR4120-ASA-K9-FIREPOWER 4120 ASA APPL 1U 2X NETMOD BAYS into its virtualized core to enforce micro-segmentation between trading floors, back-office systems, and customer data zones. Utilizing Application Visibility and Control (AVC) and Identity-Based Access policies, the bank isolates sensitive workloads and monitors anomalous lateral movement. Outcome: Streamlines SOC operations by 40%, achieves real-time audit readiness for SOX and GDPR, and prevents zero-day exploits with built-in Cisco Talos threat intelligence.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 FPR4120-ASA-K9 |  FPR4150-NGFW-K9 |  FPR2130-ASA-K9 |  FPR4140-ASA-K9 |  FPR2140-ASA-K9 | |
|---|---|---|---|---|---|
| Architecture | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Centralized Configuration & Reporting | Cisco Firepower Management Center (FMC) | Yes | Cisco Firepower Management Center (FMC) | Cisco Firepower Management Center | Yes |
| Concurrent Sessions | 1,000,000 | 3 Million | 500,000 | N/A | 500K |
| Deployment Type | Enterprise / Branch Office | Enterprise / Data Center / Branch Office | Enterprise / Branch Office | Enterprise / Branch Office | Enterprise / Branch Office |
| Depth | 19.7 inches | 28 inches | 15.0 inches | 17 inches | 18 in |
| Device Type | NGFW | NGFW | NGFW | NGFW | NGFW |
| Expansion Slots | SFP | N/A | SFP | SFP | SFP |
| Feature | Advanced Threat Defense | Integrated threat defense with IPS, antivirus, and web filtering | Next-Generation Firewall, Intrusion Prevention System, Advanced Malware Protection | Next-Generation Firewall | Advanced threat protection |
| Firewall Layer Supported | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 / Layer 7 |
| Firewall Policies Supported | 500 | N/A | 1000 | N/A | N/A |
| Firewall Throughput | 40 Gbps | 80 Gbps | 10 Gbps | 40 Gbps | 20 Gbps |
| Flash Storage | 128 GB SSD | 256 GB SSD | 128 GB | 128 GB | 128 GB |
| Form Factor | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.7 in |
| High Availability | Active-Passive | Active-Passive | Active-Passive | Active-Passive | Active-Passive |
| IPS Throughput | 15 Gbps | 40 Gbps | 5 Gbps | 6 Gbps | 2.5 Gbps |
| Integrated I/O | 4 | N/A | 8 | N/A | N/A |
| Interfaces | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP |
| LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports |
| Logging & Monitoring | Built-in / Syslog | Built-in / Syslog / Cloud Logging | Built-in / External / Syslog / Cloud Logging | Built-in | Built-in / Syslog / Cloud Logging |
| Management Options | CLI / GUI / Centralized / REST API / SNMP | CLI / GUI / Centralized / REST API / SNMP | Cloud / CLI / GUI / Centralized / REST API / SNMP | Cloud / CLI / GUI / Centralized / SNMP | CLI / GUI / Centralized / REST API / SNMP |
| Maximum Concurrent Sessions | 2,000,000 | 3 Million | 1,000,000 | N/A | N/A |
| Memory | 16 GB | 32 GB | 8 GB | 8 GB | 8 GB |
| New Sessions Per Second | 50,000 | 60,000 | 30,000 | N/A | 75K |
| 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 FPR4120-ASA-K9 | FPR4150-NGFW-K9 | Cisco Firepower 2130 ASA-K9 | Cisco FPR4140-ASA-K9 | Cisco Firepower 2140 ASA-K9 |
| Product Type | Firewall Appliance | Next-Generation Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance |
| Rack Units | 1 RU | 1 RU | 1 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 | IPS / Antivirus / Web Filtering / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN |
| Supported Applications | 300 | N/A | 50 | N/A | N/A |
| Supported VPN Types | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN |
| Switch Ports | No | Yes | Yes | No | No |
| Threat Protection Throughput | 20 Gbps | 50 Gbps | 7 Gbps | 10 Gbps | 5 Gbps |
| Use Case | VPN / Secure Access / Segmentation / UTM | VPN / Secure Access / Segmentation / UTM | VPN / Secure Access / UTM | VPN / Secure Access / UTM | VPN / Secure Access / UTM |
| Users Supported | Unlimited | N/A | Unlimited | N/A | N/A |
| Users/Nodes | Unlimited | Unlimited | Unlimited | N/A | Unlimited |
| VPN Throughput | 10 Gbps | 25 Gbps | 1 Gbps | 8 Gbps | 5 Gbps |
| WAN Ports | 2 WAN | 4 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 30 lbs | 50 lbs | 18 lbs | 25 lbs | 25 lbs |
| Width | 17.2 inches | 19 inches | 17.5 inches | 19 inches | 17 in |
Reviews & Ratings
B
Bridget Shaw
4
Easy deployment and professional-grade performance for daily operations.
C
Callum Hayes
5
Consistent throughput and minimal downtime in high-demand environments.
D
Daphne Lane
5
Durable and scalable solution for medium to large networks.
E
Ethan Vance
4
Intuitive management interface makes administration effortless.
Questions & Answers
What is the Cisco Firepower 4120 ASA Appliance (FPR4120-ASA-K9)?
The Cisco Firepower 4120 ASA Appliance (FPR4120-ASA-K9) is a 1U rack-mount firewall that combines Cisco ASA software with Firepower Threat Defense to deliver advanced intrusion prevention, URL filtering, and malware defense in a single device.
What is the firewall throughput of the Firepower 4120?
The Firepower 4120 provides up to 10 Gbps of stateful firewall throughput, ensuring high-performance network security for mid-size to large enterprise deployments.
How many network module bays does the FPR4120-ASA-K9 support?
The FPR4120-ASA-K9 features two full-height, hot-swappable network module bays, allowing flexible addition of 1G or 10G Ethernet, MPLS, or other interface modules.
Which network modules are compatible with the Firepower 4120?
The Firepower 4120 supports Cisco 1/10GBase-T, SFP/SFP+, and MPLS network modules, enabling customized connectivity for diverse network topologies.
What integrated security services does the Firepower 4120 offer?
Built-in services include advanced IPS, URL filtering, file and malware inspection, SSL/TLS decryption, and application visibility and control for comprehensive threat defense.
What licensing options are available for the FPR4120-ASA-K9?
Available licenses include Firepower Threat Defense, ASA throughput tiers, IPS throughput, URL Filtering, and Malware Protection, enabling scalability and feature customization.
How many concurrent sessions can the Firepower 4120 handle?
The Firepower 4120 supports up to 1.5 million concurrent sessions, accommodating high-traffic environments and large user populations.
What is the maximum VPN throughput for the Firepower 4120?
The device delivers up to 6 Gbps of IPsec VPN throughput, supporting both site-to-site tunnels and remote-access VPN capabilities.
Does the Firepower 4120 support high availability (HA)?
Yes. The Firepower 4120 supports active/standby high availability with stateful failover to ensure continuous operation and minimal downtime.
How is the Firepower 4120 managed?
Management is centralized through Cisco Firepower Management Center (FMC) or Cisco Defense Orchestrator, offering unified policy control, monitoring, and reporting.
What are the power and cooling requirements for the FPR4120-ASA-K9?
The appliance uses a single or optional redundant 100–240 VAC power supply and integrated variable-speed fans, meeting standard data-center cooling and power-redundancy requirements.
What are the physical dimensions and weight of the Firepower 4120?
The unit measures 1.7″ (H) × 17.5″ (W) × 22.1″ (D) and weighs approximately 16 lbs, fitting standard 1U rack enclosures.
What warranty and support options are available?
Cisco provides a one-year limited hardware warranty with next-business-day replacement. Optional SMARTnet or Solution Support contracts extend coverage to 24×7 support, software updates, and advanced replacement services.
What deployment scenarios are best for the Firepower 4120?
The Firepower 4120 is ideal for enterprise network edges, data-center north-south traffic inspection, and managed-service provider environments requiring high throughput and integrated threat defense.
How can I upgrade the software on my Firepower 4120?
Software upgrades are performed via the Firepower Management Center or CLI, with automated scheduling, pre-upgrade compatibility checks, and rollback capabilities for zero-downtime maintenance.
Where can I order replacement network modules and spare parts?
Replacement modules and parts are available through Cisco-authorized resellers or the Cisco e-commerce portal, ensuring compatibility and genuine Cisco quality.
How do I verify my Firepower 4120 serial number and warranty status?
Locate the serial number on the chassis label and enter it into the Cisco Warranty Checker tool on Cisco.com to confirm coverage, support entitlements, and contract expiration dates.