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Cisco Firepower 4100 Series

Better security, faster speeds, smaller footprint

Stop more threats with our fully integrated next-generation firewall (NGFW) appliance. The 4100 Series’ 1-rack-unit size is ideal at the Internet edge and in high-performance environments. It shows you what’s happening on your network, detects attacks earlier so you can act faster, and reduces management complexity.

A firewall leader

Gartner has named Cisco a leader in the 2019 Magic Quadrant for Network Firewalls.

Features and benefits

Threat-focused NGFW

Get granular application control. Protect against malware. Gain insight into and control over threats and vulnerabilities. Shrink time to detection and remediation.

Performance and density optimized

Key capabilities include support for 1/10/40 Gigabit Ethernet interfaces, up to 60-Gbps stateful firewall throughput, low latency, and a 1 RU form factor.

Integration with Cisco and third-party solutions

Further strengthen your defenses. Share intelligence, context, and policy controls by integrating other Cisco networking and security solutions.

Unified management

Reduce complexity and simplify operations. Consolidate all security functions in a single management interface.

NGFW 4100 models

Choose from seven NGFW 4100 Series models. Need help selecting a model?

Request a sales call

Firepower 4115

80-Gbps firewall
26-Gbps threat inspection
1/10/40 GE
1 RU

Firepower 4125

80-Gbps firewall
35-Gbps threat inspection
1/10/40 GE
1 RU

Firepower 4145

80-Gbps firewall
45-Gbps threat inspection
1/10/40 GE
1 RU

Firepower 4110

35-Gbps firewall
11-Gbps threat inspection
1/10/40 GE
1 RU

Firepower 4120

60-Gbps firewall
19-Gbps threat inspection
1/10/40 GE
1 RU

Firepower 4140

70-Gbps firewall
27-Gbps threat inspection
1/10/40 GE
1 RU

Firepower 4150

75-Gbps firewall
39-Gbps threat inspection
1/10/40 GE
1 RU

Upgrade to a new Cisco NGFW

You have a Cisco ASA stateful firewall and want to migrate to a new Cisco Firepower Next Generation Firewall. Pick the right NGFW for you and migrate your configurations with our easy-to-use tool.


Advanced Malware Protection

Discover, track, contain, and block network-based advanced malware, attacks, and threats.

Next-Generation Intrusion Prevention Systems

Get the visibility, automation, flexibility, and scalability you need to defeat the latest threats.

Firepower Management Center

Delivers unified management over firewalls, application control, intrusion prevention, URL filtering, and advanced malware protection.

Related security solutions and products

IoT Threat Defense

How secure are your IoT devices? Defend your business with IoT Threat Defense.

Cisco Secure Data Center

Protect your workloads everywhere with a comprehensive security architecture.

Let the experts secure your network with Cisco Services

Cisco offers a wide array of advisory, implementation, managed, technical, and optimization services to help you protect your business.

Customer success stories

Protecting students with integrated security tools

“Firepower NGFW enabled us to proactively block threats we weren’t blocking before, troubleshoot faster and easier, and know with unprecedented specificity how we’re protecting our students against threats.”

-Chris Langford, Director of Network, Infrastructure, and Cyber Security, Lewisville ISD

Securing Texas A&M Qatar campus

“Cisco [NGFW] gives us the visibility and flexibility to identify and stop threats faster in an education and research environment.”

-JD Lewis, Enterprise technologist, Texas A&M at Qatar

Cisco Firewall Simplifies Security Management for College District

“Cisco Defense Orchestrator (CDO) makes firewall builds, management, visibility, and auditing infinitely easier. Things that take 10 minutes in CDO take a day or more without it.”.”

-Mike Muzinich, Senior IT Network Administrator, Los Rios Community College District


Resource Type Description
At-a-Glance Cisco Firepower Next-Generation Firewall At-a-Glance
The Cisco Firepower Next-Generation Firewall (NGFW) is the industry's first fully integrated, threat-focused NGFW. It delivers unified policy management, application control, threat prevention, and advanced malware protection
Bulletin Cisco’s Next Generation Firewall Product Line Software Release and Sustaining Bulletin
This is a bulletin that describes the SW Release schedule and Support timelines for Cisco’s Next Generation Firewall Product Line, which consists of Cisco Firepower Threat Defense (FTD), FirePOWER Services (FPS), Firepower Management Center (FMC), Firepower Device Manager (FDM), and Adaptive Security Appliance (ASA) releases starting from FTD 6.4, and ASA 9.12 onwards.
Case study Redefining student experience with world-class Wi-Fi
For Victoria University, technology is key to unlocking access to a wealth of opportunities across the campus community.
Data sheet Cisco Firepower 4100 Series NGFW data sheets
This fully integrated, threat-focused NGFW with unified management uniquely provides advanced threat protection before, during, and after attacks.
Interactive e-book Cisco Next-Generation Firewall (NGFW)
Explore the three key ingredients in the Cisco NGFW and earn how to prevent breaches, get deep visibility to detect and stop threats fast, and automate your network and security operations to save time and work smarter.
Support Next-Generation Firewall Resource Center
Access everything you need to know to get started with your Next-Generation Firewalls.
Third-party reports A firewall leader
Gartner has named Cisco a leader in the 2019 Magic Quadrant for Network Firewalls.
Third-party reports Cisco Firewall named a leader by Frost & Sullivan
Frost & Sullivan has awarded Cisco the 2018 Market Leadership Award in the Global Network Firewall Market.

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