Cisco firewall comparison
FPR1120-NGFW-K9 vs FPR1140-NGFW-K9
FPR1120-NGFW-K9 and FPR1140-NGFW-K9 share the same interface layout and chassis dimensions. The larger appliance increases inspection and TLS throughput, doubles concurrent-session capacity and raises VPN peer scale, without adding redundant-power capability.
2models compared
41specs published for every model
10confirmed differences
Change comparison
Select different models
At a glance
Key differences
Compare the specifications that shape your deployment.
| Specification | FPR1120-NGFW-K9 | FPR1140-NGFW-K9 |
|---|---|---|
FTD Firewall + AVC Throughput |
2.3 Gbps | 3.3 Gbps |
FTD Firewall + AVC + IPS Throughput |
2.3 Gbps | 3.3 Gbps |
NGIPS Throughput |
2.6 Gbps | 3.5 Gbps |
TLS Decryption Throughput |
0.85 Gbps | 1.2 Gbps |
IPsec VPN Throughput |
1.2 Gbps | 1.4 Gbps |
Concurrent Sessions with AVC |
200,000 | 400,000 |
Detailed comparison
Full specification comparison
| Comparison parameter | ||
|---|---|---|
| Product ID | FPR1120-NGFW-K9 | FPR1140-NGFW-K9 |
| Product and ordering | ||
| Product Type | Cisco Secure Firewall 1120 appliance | Cisco Secure Firewall 1140 appliance |
| Form Factor | 1RU | 1RU |
| Firewall Platform Type | Threat Defense next-generation firewall | Threat Defense next-generation firewall |
| Security and VPN performance | ||
| Security Software Image | Cisco Secure Firewall Threat DefenseCan be reimaged to ASA; reimaging erases the configuration | Cisco Secure Firewall Threat DefenseCan be reimaged to ASA; reimaging erases the configuration |
| ASA Stateful Firewall Throughput | Not applicable | Not applicable |
| ASA Multiprotocol Firewall Throughput | Not applicable | Not applicable |
| FTD Firewall + AVC Throughput | 2.3 Gbps | 3.3 Gbps |
| FTD Firewall + AVC + IPS Throughput | 2.3 Gbps | 3.3 Gbps |
| NGIPS Throughput | 2.6 Gbps | 3.5 Gbps |
| TLS Decryption Throughput | 0.85 Gbps | 1.2 Gbps |
| IPsec VPN Throughput | 1.2 Gbps | 1.4 Gbps |
| Concurrent Sessions with AVC | 200,000 | 400,000 |
| New Connections per Second with AVC | 15,000 | 22,000 |
| Maximum VPN Peers | 150 | 400 |
| Security Contexts | Not applicable | Not applicable |
| High Availability | Active/standby | Active/standby |
| Clustering | Not supported | Not supported |
| Ports and interfaces | ||
| Data Interfaces | 8 x 10M/100M/1GBASE-T RJ-45 plus 4 x 1G SFP | 8 x 10M/100M/1GBASE-T RJ-45 plus 4 x 1G SFP |
| Fixed RJ-45 Ports | 8 | 8 |
| Fixed SFP Ports | 4 | 4 |
| Maximum Interface Expansion | Not applicable | Not applicable |
| Management Ports | 1 x 1000BASE-T RJ-45 | 1 x 1000BASE-T RJ-45 |
| Console Ports | RJ-45 serial and USB Mini-B console | RJ-45 serial and USB Mini-B console |
| Configuration, licensing and management | ||
| Centralized Management | Cisco Secure Firewall Management Center or Security Cloud Control | Cisco Secure Firewall Management Center or Security Cloud Control |
| Local Management | Cisco Firewall Device Manager where supported; CLI for platform setup | Cisco Firewall Device Manager where supported; CLI for platform setup |
| Licensing | Cisco Smart Licensing with software-image and feature entitlements | Cisco Smart Licensing with software-image and feature entitlements |
| USB Ports | 1 x USB 3.0 Type-A | 1 x USB 3.0 Type-A |
| Memory and software | ||
| System Memory | 16 GB | 16 GB |
| Storage | 200 GB SSD | 200 GB SSD |
| PoE and power | ||
| Default Power Supply | Fixed internal AC power supply | Fixed internal AC power supply |
| Power Redundancy | No redundant power supply option | No redundant power supply option |
| AC Input Voltage | 100 to 240 V | 100 to 240 V |
| DC Input Voltage | Not applicable | Not applicable |
| AC Input Frequency | 50 to 60 Hz | 50 to 60 Hz |
| AC Maximum Output Power | 100 W | 100 W |
| DC Maximum Output Power | Not applicable | Not applicable |
| Physical and environmental | ||
| Dimensions (H × W × D) | 43.688 × 436.88 × 268.732 mm | 43.688 × 436.88 × 268.732 mm |
| Weight | 3.6 kg | 3.6 kg |
| Operating Temperature | 0 to 40 °C | 0 to 40 °C |
| Storage Temperature | -25 to 70 °C | -25 to 70 °C |
| Storage Humidity | 10% to 90% | 10% to 90% |
| Operating Humidity | Up to 90% | Up to 90% |
| Operating Altitude | Up to 3,000.146 m | Up to 3,000.146 m |
| Mounting | 2-post rack brackets included | 2-post rack brackets included |
| Airflow | I/O side to non-I/O side | I/O side to non-I/O side |
| Acoustic Rating | 31.7 dBA at 25°C; 56.8 dBA at highest system performance | 34.2 dBA at 25°C; 56.8 dBA maximum |
| Fan Modules | 1 integrated fan | 1 integrated fan |
Specifications from Cisco Firepower 1000 Series Data Sheet (checked 2026-10-11).
“Not published by Cisco” and “Not listed” indicate that a confirmed direct comparison is unavailable. These rows are not counted as confirmed differences.
Continue to the product pages
Product details
Specifications, documentation and purchasing information for each model.
Related comparisons