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FPR3120-NGFW-K9 – Cisco Firepower 3120 NGFW
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FPR3120-NGFW-K9 Description
The Cisco FPR3120-NGFW-K9, part of the Secure Firewall 3100 Series, is a high-performance next-generation firewall designed for large enterprises, data centers, and managed service environments. Powered by Cisco FTD software, it delivers up to 21 Gbps NGFW throughput with Application Visibility and Control (AVC) and Intrusion Prevention (IPS) enabled.The platform handles 4 million concurrent sessions and 170,000 new connections per second, making it suitable for high-density user environments and WAN edge deployments. With 6.7 Gbps TLS inspection, the FPR3120 provides visibility into encrypted traffic for compliance and advanced malware detection.
Product Highlights
Key Features
High-Speed Threat Defense
Designed for modern enterprise networks, the FPR3120-NGFW-K9 combines firewalling, intrusion prevention, and advanced malware protection, delivering consistent line-rate performance even with security services fully enabled.
Superior Encrypted Traffic Handling
Equipped with dedicated hardware acceleration, the appliance inspects SSL/TLS traffic with minimal latency impact, ensuring encrypted applications are both fast and secure.
Application-Aware Security
Integrated Application Visibility and Control (AVC) recognizes more than 4,000 applications, enabling granular policy enforcement based on business needs rather than just ports and protocols.
Cloud-Ready and Hybrid Support
Seamlessly integrates with hybrid and multi-cloud architectures, making it easier to extend enterprise security policies consistently across data centers, branches, and cloud workloads.
Future-Proof Scalability
With support for multi-instance deployments and clustering up to 8 chassis, organizations can expand capacity or segment services as business requirements grow.
Unified Management and Analytics
Supports centralized orchestration through Cisco Firepower Management Center (FMC) and cloud-based Cisco Defense Orchestrator (CDO), providing unified visibility, policy control, and threat analytics across distributed environments.
Applications Scenarios
Suited for organizations that need ~20 Gbps NGFW capacity with multi-million session support at WAN and internet perimeters.
Designed for compliance-intensive sectors requiring strong TLS inspection, advanced IPS, and secure VPN scale.
With clustering support, high VPN capacity, and multi-chassis scaling, the FPR3120 is ideal for managed security providers.
Front View

|
1 4881_033485-7b> |
RJ-45 console port 4881_4e2794-f2> |
2 4881_eafb08-b0> |
Recessed factory reset button 4881_59c0e5-9b> |
|
3 4881_acb8ac-b1> |
SSD-1 4881_f9e1f9-9e> |
4 4881_1d3368-d8> |
SSD-2 4881_162efa-08> |
|
5 4881_557b83-72> |
Network module (NM-2) 4881_d5ae63-dc> |
6 4881_40b144-e6> |
System LEDs 4881_bb7102-a9> |
|
7 4881_b5f112-13> |
Type A USB 3.1 port 4881_47caa3-d8> |
8 4881_87f0c6-b4> |
Gigabit Ethernet management port:Secure Firewall Threat Defense—Management 0 (also referred to as Management 1/1 and Diagnostic 1/1)ASA—Management 1/1 4881_b01aa3-04> |
|
9 4881_01d2b8-24> |
Reset button LED 4881_55dc1e-03> |
10 4881_d471d6-84> |
Pullout asset card with chassis serial number, getting started guide QR code, and LTP QR code 4881_5424f2-3f> |
|
11 4881_3a9634-f2> |
Eight fixed RJ-45 ports (NM-1)RJ-45 ports named Ethernet 1/1 through 1/8 left to right; for a list of supported SFPs. 4881_184b97-5c> |
12 4881_ebecfa-1f> |
Eight fixed SFP+ ports (NM-1)SFP+ ports named Ethernet 1/9 through 1/16 left to right; for a list of supported SFPs. 4881_90b492-3d> |
Rear View
|
1 4881_72089b-9f> |
Power on/off switch 4881_4d4d63-bc> |
2 4881_d0a1dd-8f> |
Power supply module (PSU-1) 4881_36168e-cc> |
|
3 4881_fbf94d-36> |
Power supply module FAIL LED (PSU-1) 4881_97e496-75> |
4 4881_ff853f-34> |
Fan module LED (FAN-1) 4881_8bb0fc-39> |
|
5 4881_5951b4-1b> |
Fan module (FAN-1) 4881_3d7119-df> |
6 4881_c9b09d-b8> |
Fan module LED (FAN-2) 4881_9cae65-4f> |
|
7 4881_8a29c7-f1> |
Fan module (FAN-2) 4881_4668f4-5e> |
8 4881_b5afa3-4a> |
Power supply module (PSU-2) 4881_773580-60> |
|
9 4881_0828f9-54> |
Power supply module FAIL LED (PSU-2) 4881_7b9711-6f> |
10 4881_59ec27-26> |
Chassis power LEDNote This power LED has the same behavior as the front panel LED. See Front Panel LEDs for more information. 4881_8fe6ba-85> |
|
11 4881_2d5116-81> |
Power supply module OK LED (PSU-1) 4881_cb096d-ce> |
12 4881_37dc90-0a> |
Power supply module connector (PSU-1) 4881_a5a077-24> |
|
13 4881_3ac58e-a2> |
Power supply module OK LED (PSU-2) 4881_bb21f4-6a> |
14 4881_32db11-27> |
Power supply module connector (PSU-2) 4881_18cb5c-59> |
|
15 4881_a17374-97> |
Two-post grounding padNote The two-post grounding lug and two screws are included in the accessory kit. 4881_0f1013-7d> | 4881_5e2d0f-a0> |
— 4881_9d624f-94> |
Model Selection Guide – FPR3120-NGFW-K9
|
Deployment Requirement 4881_190031-6d> |
FPR3120-NGFW Suitability & Recommendation 4881_037574-6f> |
|---|---|
|
NGFW + IPS throughput ~20 Gbps 4881_405c88-8f> |
✔ Yes – Provides 21 Gbps throughput, ideal for large enterprises and campus networks. 4881_4a77e9-8b> |
|
TLS/SSL inspection at scale 4881_31f45c-fe> |
✔ Strong – Handles 6.7 Gbps TLS inspection, suitable for heavy encrypted traffic analysis. 4881_a9f4db-c3> |
|
Concurrent sessions and CPS 4881_cbfcab-0e> |
✔ Excellent – 4M concurrent sessions and 170K CPS, fitting high-density environments. 4881_0a5978-60> |
|
VPN capacity 4881_1194d3-8b> |
✔ Strong – 7,000 VPN peers and 10–13.5 Gbps VPN throughput, ensuring secure global WAN connectivity. 4881_46fb20-73> |
|
High availability & clustering 4881_3190ce-0f> |
✔ Enterprise-class – Active/Active, Active/Standby HA; supports clustering of up to 8 chassis. 4881_19f63b-03> |
|
Interface connectivity 4881_795898-87> |
✔ Flexible – 8×RJ45 + 8×10G SFP+ built-in, expandable to 24 total ports. 4881_fb09dd-f3> |
|
Power redundancy 4881_60a0a1-fd> |
✔ Good – 400W AC PSU (dual optional), optional dual DC for mission-critical deployments. 4881_74b1f5-63> |
|
Management model 4881_ee59d6-b7> |
✔ Flexible – Local via FDM; centralized via FMC or CDO for multi-site orchestration. 4881_248c0f-a1> |
Summary Recommendation
Product Comparison
|
Key Parameter 4881_3916c5-c8> | 4881_147aa4-8c> | 4881_082538-74> |
FPR3120-NGFW-K9 4881_c71af6-31> |
|---|---|---|---|
|
FW + AVC throughput 4881_c7658f-48> |
10 Gbps 4881_a35a68-59> |
17 Gbps 4881_38e04b-f1> |
21 Gbps 4881_4f674b-98> |
|
FW + AVC + IPS throughput 4881_547879-2f> |
10 Gbps 4881_77a51f-cf> |
17 Gbps 4881_f023cd-1b> |
21 Gbps 4881_4e75cc-9b> |
|
Max sessions 4881_776d46-9f> |
1.5M 4881_ecd874-5a> |
2M 4881_19afa6-ea> |
4M 4881_f509ce-8f> |
|
New connections/s 4881_5732f2-31> |
90K 4881_dcd679-a0> |
130K 4881_ae0957-52> |
170K 4881_37b5ff-f9> |
|
TLS inspection 4881_136cbb-3e> |
3.2 Gbps 4881_693e82-5c> |
4.8 Gbps 4881_341477-66> |
6.7 Gbps 4881_9a336a-40> |
|
NGIPS throughput 4881_93b56f-66> |
10 Gbps 4881_c13777-fc> |
17 Gbps 4881_4b8d8f-5e> |
21 Gbps 4881_4d22f0-8f> |
|
IPsec VPN throughput 4881_f3a673-cd> |
5.5 Gbps 4881_55ca8a-2c> |
8–11 Gbps 4881_eceac8-c9> |
10–13.5 Gbps 4881_b34538-49> |
|
VPN peers 4881_034e1f-2b> |
2,000 4881_a3dfa9-77> |
3,000 4881_99d400-29> |
7,000 4881_cfab18-34> |
|
HA & clustering 4881_7a0afa-7b> |
HA only 4881_6b0d06-63> |
HA + 8-chassis clustering 4881_250c9f-9e> |
HA + 8-chassis clustering 4881_79415d-ae> |
|
Integrated I/O 4881_604f05-05> |
8×RJ45 + 8×10G SFP+ 4881_3d372f-9a> |
Same 4881_f60802-40> |
Same 4881_4a445a-e6> |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Form Factor | 1RU | Dimensions (H×W×D) | 1.75 × 17 × 20 in (4.4 × 43.3 × 50.8 cm) |
| Integrated Interfaces | 8 × 1G RJ-45, 8 × 1/10G SFP+ | Optional Module | 8 × 1/10G NM |
| Max Interfaces | Up to 24 ports | Mgmt Port | 1 × 1/10G SFP |
| Console | RJ-45 | USB | 1 × USB 3.0 Type-A |
| Storage | 1 × 900 GB SSD (1 spare slot) | Weight | 23 lb (10.5 kg) |
| NGFW Throughput | 21 Gbps (FW+AVC, FW+AVC+IPS) | NGIPS Throughput | 21 Gbps |
| TLS Inspection | 6.7 Gbps | Concurrent Sessions | 4 million |
| New Connections/s | 170,000 | IPsec VPN Throughput | 10 Gbps (13.5 Gbps with offload) |
| Max VPN Peers | 7,000 | AVC/IPS Features | 4000+ apps, Talos threat intel, URL filtering |
| High Availability | Active/Active & Active/Standby | Clustering | Up to 8 chassis |
| Power Supply | 400W AC (dual optional), DC optional | Fans | 2 hot-swappable modules |
| AC Input | 100–240V AC; <6A @ 100V; 50–60 Hz | Efficiency | >89% @ 50% load |
| Operating Temp | 0–40°C (32–104°F) | Operating Humidity | 10–85% non-condensing |
Get More Information
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Quality Certifications
Customer Reviews
Questions & Answers
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What is Cisco FPR3120-NGFW-K9 best for?
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How does FPR3120-NGFW-K9 compare to FPR3110-NGFW-K9?
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Can FPR3120-NGFW-K9 run ASA software?
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Is high availability supported on FPR3120-NGFW-K9?
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Which licenses are needed on FPR3120-NGFW-K9?
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How is FPR3120-NGFW-K9 managed—FMC or FDM?
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Does FPR3120-NGFW-K9 support remote access VPN?
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What migration path from ASA 55xx-X to FPR3120 exists?
Warranty
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Balance in the network. Threats are neutralized. Authentic equipment.
Needed higher throughput for our datacenter edge. The 3120 handles full packet inspection comfortably.
We ordered a pair for HA. Both arrived with matching OS versions.