Cisco FPR4120-ASA-K9 Firepower 4120 ASA Security Appliance
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FPR4120-ASA-K9 Overview
FPR4120-ASA-K9 Technical Profile
- Chassis Form Factor
- Standard 1RU Rack-Mountable Framework (Fits 19-inch racks)
- Stateful Inspection Throughput
- 60 Gbps (Standard baseline data traffic profile)
- Multiprotocol Firewall Throughput
- 30 Gbps (Heavy complex dynamic web/app traffic mix)
- IPsec VPN Throughput (450B UDP)
- 10 Gbps (Hardware-accelerated wire-speed cryptographic path)
- Maximum Port Scaling Capacity
- Up to 24 x 10-GbE SFP+ or up to 8 x 40-GbE QSFP+ Interfaces
- Memory / Storage Capacity
- 128 GB DDR4 SDRAM Matrix / 200 GB Secure SSD Asset
- Power Infrastructure Redundancy
- Dual (1+1) Hot-Swappable Slots; Default 1x 1100W AC PSU
FPR4120-ASA-K9 Manufacturer Source
FPR4120-ASA-K9 Model-Specific Differences
FPR4120-ASA-K9 is the midrange Firepower 4100 ASA appliance in this group. Official capacity is sixty-gigabit stateful inspection, thirty-gigabit multiprotocol firewall processing and ten-gigabit IPsec VPN throughput, with one-hundred-twenty-eight-gigabyte memory. This places it above FPR4110 but below the FPR4140 and FPR4150 tiers.
FPR4120-ASA-K9 Specification
| Datasheet series | Cisco Firepower 4100 Series Appliances |
| Exact model | FPR4120-ASA-K9 |
| Official datasheet | Cisco Firepower 4100 Series official product page |
| Specification Parameter | Official Cisco Technical Details & Performance Metrics |
| Product Name | Cisco Firepower 4120 ASA Appliance Bundle |
| Part Number (SKU) | FPR4120-ASA-K9 |
| Chassis Form Factor | Standard 1RU Rack-Mountable Framework (Fits 19-inch racks) |
| Stateful Inspection Throughput | 60 Gbps (Standard baseline data traffic profile) |
| Multiprotocol Firewall Throughput | 30 Gbps (Heavy complex dynamic web/app traffic mix) |
| Maximum Concurrent Connections | 15,000,000 (15 Million Active Network Sessions) |
| New Connections Per Second | 250,000 (High-frequency connection building rate) |
| IPsec VPN Throughput (450B UDP) | 10 Gbps (Hardware-accelerated wire-speed cryptographic path) |
| Max Site-to-Site / AnyConnect Peers | 15,000 Concurrent Secure Remote Access Endpoints |
| Maximum Number of VLANs | Up to 1,024 Logically Segmented Networks |
| Security Contexts (Included / Max) | 10 Included; Expandable Up to 250 Virtual Contexts |
| Onboard Hardware Supervisor | Fixed 8 x 10-GbE SFP+ Ports with 2 Network Module (NM) Bays |
| Maximum Port Scaling Capacity | Up to 24 x 10-GbE SFP+ or up to 8 x 40-GbE QSFP+ Interfaces |
| Memory / Storage Capacity | 128 GB DDR4 SDRAM Matrix / 200 GB Secure SSD Asset |
| Power Infrastructure Redundancy | Dual (1+1) Hot-Swappable Slots; Default 1x 1100W AC PSU |
| Cooling & Thermal Architecture | 6 Hot-Swappable Active Fan Modules with 3+1 Redundancy |
FPR4120-ASA-K9 Warranty
 | Low Price Guarantee |  | Quality Assurance |
 | Free CCIE Expert Technical Support |  | Commodity Refund Guarantee |
 | Diversified and Flexible Transportation Services |  | Standard Policy |
FPR4120-ASA-K9 FAQ
What stateful inspection throughput is listed for FPR4120-ASA-K9?
For FPR4120-ASA-K9, the manufacturer specification lists stateful inspection throughput as 60 Gbps (Standard baseline data traffic profile).
What multiprotocol firewall throughput is listed for FPR4120-ASA-K9?
For FPR4120-ASA-K9, the manufacturer specification lists multiprotocol firewall throughput as 30 Gbps (Heavy complex dynamic web/app traffic mix).
What ipsec vpn throughput (450b udp) is listed for FPR4120-ASA-K9?
For FPR4120-ASA-K9, the manufacturer specification lists ipsec vpn throughput (450b udp) as 10 Gbps (Hardware-accelerated wire-speed cryptographic path).
Related products
Related FPR4120-ASA-K9
Cisco FPR4120-NGFW-K9 Firepower 4120 Next-Gen Firewall
FPR4120-NGFW-K9 CISCO security firewall appliance for security refresh projects. Contact YYST Global for stock, lead time and quote support.
FPR4115-NGFW-K9
FPR4115-NGFW-K9 is a physical Cisco Secure Firewall 4100 Series security appliance. Cisco documents 33 Gbps NGFW and IPS figure in Cisco's published 4115 summary, eight on-chassis SFP+ interfaces plus two network-module bays for supported 1/10/40/100-Gbps options, Confirm installed memory and storage by serial inventory; they are not encoded in this PID, and verify both installed power supplies, input type and cords against the receiving record. Verify lifecycle, modules, software compatibility and policy migration before purchase.
Cisco FPR4110-ASA-K9 Firepower 4110 ASA Security Appliance
FPR4110-ASA-K9 is the entry capacity appliance among these four Firepower 4100 ASA SKUs. It is specified for thirty-five-gigabit stateful inspection, fifteen-gigabit multiprotocol firewall processing and eight-gigabit IPsec VPN throughput, with sixty-four-gigabyte memory. The shared chassis and port ceiling do not make it performance-equivalent to the higher models.
Cisco FPR4140-ASA-K9 Firepower 4140 ASA Security Appliance
FPR4140-ASA-K9 sits below FPR4150 and above FPR4120 in the Firepower 4100 ASA performance range. The manufacturer lists seventy-gigabit stateful inspection, thirty-five-gigabit multiprotocol firewall processing and fourteen-gigabit IPsec VPN throughput. Its two-hundred-fifty-six-gigabyte memory matches FPR4150, so performance rather than memory separates those two models.
Cisco FPR4150-ASA-K9 Firepower 4150 ASA Security Appliance
FPR4150-ASA-K9 is the highest-capacity ASA appliance in this Firepower 4100 comparison. Its official figures are ninety-gigabit stateful inspection, forty-five-gigabit multiprotocol firewall processing and eighteen-gigabit IPsec VPN throughput. It also carries two-hundred-fifty-six-gigabyte memory, while the lower FPR4110 and FPR4120 use smaller memory profiles.
Cisco FPR4110-NGFW-K9 Firepower 4110 Next-Gen Firewall
FPR4110-NGFW-K9 CISCO security firewall appliance for security refresh projects. Contact YYST Global for stock, lead time and quote support.
FPR4140-NGFW-K9
FPR4140-NGFW-K9 is listed in Cisco Firepower 4100 Series Appliances. Check model compatibility, current stock, condition and quotation details.
Cisco FPR4150 NGFW Firewall 1RU FPR4150-NGFW-K9
FPR4150-NGFW-K9 CISCO security firewall appliance for security refresh projects. Contact YYST Global for stock, lead time and quote support.
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