Product Type | Network Security Appliance |
Model | Cisco Firepower 4125 |
Form Factor | 1U Rack-mountable |
Weight | 10.0 kg (22.05 lbs) (maximum with modules and accessories) |
Power Requirements | 100-240 VAC, 50/60 Hz (Power supply not included) |
Power Supply Type | Redundant hot-swappable (requires separate purchase) |
Typical Power Consumption | 214W (with standard configuration) |
Modular Expansion | 2 x Network Module (NetMod) Bays |
Cisco Firepower 4125 Appliance, 2 x NetMod Bays, No Power/Fan/SSD

Key Benefits

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- Modular design with NetMod bays allows scalable, customized network deployments.
- Equipped with multiple high-speed SFP+ and Ethernet interfaces for flexible connectivity.
- TAA compliance makes it suitable for government and public sector procurement.
Product Overview
The Cisco Firepower 4125 Appliance is a robust, modular network security platform tailored for enterprises. It features two NetMod bays for flexible expansion and 8 x SFP+ and 1 Gigabit Ethernet SFP connectivity options. Additional interfaces include a RJ-45 console and USB 2.0 port. This unit does not include power, SSD, or fan assemblies and excludes processor and cellular technologies. Its TAA compliance and Mexican manufacturing origin make it suitable for federal deployments. The appliance is ideal for customized, scalable security implementations in high-performance environments.
Specifications
Product Overview
Physical & Environmental
Dimensions (H x W x D) | 43.7 x 429 x 749 mm (1.72 x 16.9 x 29.5 in.) |
Rack Units | 1U |
Operating Temperature | 5°C to 40°C (41°F to 104°F) |
Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
Operating Humidity | 10% to 85% (non-condensing) |
Storage Humidity | 5% to 95% (non-condensing) |
Cloud Management & Licensing
Management Interface | Cisco Firepower Management Center (FMC) or Cisco Defense Orchestrator (CDO) |
Licensing Model | Smart Licensing |
Included Licenses | None (requires subscription/licenses for Threat, Malware, URL Filtering, etc.) |
Cloud Integration | Compatible with Cisco Defense Orchestrator (Cloud-managed) |
Interfaces
10-Gigabit SFP+ Ports | 8 x SFP+ |
1-Gigabit SFP Ports | 1 x 1GE SFP |
Management Port (RJ-45) | 1 x RJ-45 Console Port |
USB Ports | 1 x USB 2.0 Type-A |
Network Module Support | Supports up to 2 NetMods |
Maximum Throughput | 35 Gbps (FW + AVC) |
Concurrent Sessions | 15 million |
New Connections per Second | 300,000 cps |
Firewall Throughput (1024B UDP) | 75 Gbps |
IPsec VPN Throughput | 20 Gbps |
Compliance & Origin
TAA Compliance | Yes |
Country of Origin | Mexico |
Certifications | UL, CSA, CB, FCC Part 15 Class A, ICES-003, CE Marking, RoHS |
Advanced Security Features
Firewall Capabilities | Stateful inspection, application visibility and control (AVC) |
Intrusion Prevention System (IPS) | NGIPS with Cisco Talos threat intelligence |
Advanced Malware Protection (AMP) | Supported with license |
URL Filtering | Supported with license |
SSL Decryption | Supported |
High Availability | Active/Standby and Active/Active |