FPR4225-ASA-K9 – 95G ASA – 8x25G SFP28 Data + 2x25G SFP28 Mgmt – 4200 – ASA Firewall
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FPR4225-ASA-K9 Description
FPR4225-ASA-K9 is the Cisco Secure Firewall 4225 ASA appliance, a 1RU Cisco Secure Firewall 4200 Series firewall for ASA-based edge, data center, and VPN deployments. Cisco identifies it as a 4225 ASA chassis with two network module bays; the platform includes eight fixed 1/10/25G SFP28 fiber data ports, two 1/10/25G SFP28 management ports, 512 GB of system memory, and dual hot-swappable module slots. For ASA sizing, Cisco lists 95 Gbps stateful inspection firewall throughput, 85 Gbps multiprotocol firewall throughput, 90 million concurrent connections, and 60 Gbps maximum IPsec VPN throughput, making this SKU a high-capacity ASA firewall option where the 4200 Series hardware profile and ASA software role are required.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
FPR4225-ASA-K9 |
|
Product type |
Cisco Secure Firewall 4225 ASA appliance |
|
Firewall model |
Secure Firewall 4225 |
|
Security software role |
Cisco Secure ASA |
|
Form factor |
1RU |
|
System memory |
512 GB |
|
Fixed data ports |
8 x 1/10/25G SFP28 fixed fiber ports |
|
Management ports |
2 x 1/10/25G SFP28 ports |
|
Network module slots |
2 hot-swappable slots |
|
Stateful inspection firewall throughput |
95 Gbps |
|
Multiprotocol firewall throughput |
85 Gbps |
|
Concurrent firewall connections |
90 million |
|
IPsec VPN throughput |
60 Gbps |
Product Performance
Key Features
Cisco lists FPR4225-ASA-K9 as the Secure Firewall 4225 ASA appliance, so procurement should not replace it with the NGFW PID unless the approved design changes the firewall software role.
The 4225 model raises the ASA sizing row beyond the 4215 while staying below the 4245, which helps buyers align the order with approved firewall throughput, connection, and VPN-peer requirements.
Eight fixed 1/10/25G SFP28 fiber ports provide the starting interface plan before any optional network module is added to either of the two front-panel module slots.
The chassis supports two hot-swappable network module slots, and Cisco lists module options covering 1/10G, 25G, 40G, 100G, 200G, 400G, and hardware-bypass use cases.
Cisco points Secure Firewall 4200 buyers to the ASA compatibility guide for software and hardware compatibility, so ASA and ASDM release pairing should be verified with the final image plan.
The 4225 hardware row uses dual AC power supplies and 1+1 redundancy, so the power-cord and input-voltage plan should match the rack site before shipment.
Application Scenarios
Choose FPR4225-ASA-K9 when a deployment is staying on Cisco Secure ASA and the sizing file requires more capacity than the 4215 ASA model provides.
Use this SKU when the base design starts with eight fixed 1/10/25G SFP28 fiber ports and leaves room for Cisco-listed network modules as the interface plan changes.
Select the ASA appliance PID when the quote, migration plan, or operational standard names ASA software and ASDM management rather than a Secure Firewall Threat Defense orderable role.
Product Comparison
|
Parameter |
FPR4225-ASA-K9 | ||
|---|---|---|---|
|
Cisco PID description |
Secure Firewall 4225 ASA chassis 1RU |
Secure Firewall 4215 ASA chassis 1RU |
Secure Firewall 4245 ASA chassis 1RU |
|
Firewall model |
Secure Firewall 4225 |
Secure Firewall 4215 |
Secure Firewall 4245 |
|
Security software role |
Cisco Secure ASA |
Cisco Secure ASA |
Cisco Secure ASA |
|
Form factor |
1RU |
1RU |
1RU |
|
System memory |
512 GB |
256 GB |
1 TB |
|
Fixed data ports |
8 x 1/10/25G SFP28 |
8 x 1/10/25G SFP28 |
8 x 1/10/25G SFP28 |
|
Management ports |
2 x 1/10/25G SFP28 |
2 x 1/10/25G SFP28 |
2 x 1/10/25G SFP28 |
|
Network module slots |
2 |
2 |
2 |
|
Storage |
Two 1.8 TB SSDs |
Two 1.8 TB SSDs |
Two 1.8 TB SSDs |
|
Stateful inspection firewall throughput |
95 Gbps |
90 Gbps |
180 Gbps |
|
Multiprotocol firewall throughput |
85 Gbps |
65 Gbps |
100 Gbps |
|
Concurrent firewall connections |
90 million |
40 million |
180 million |
|
New connections per second |
1.7 million |
1.4 million |
2.0 million |
|
IPsec VPN throughput |
60 Gbps |
50 Gbps |
70 Gbps |
|
Maximum VPN peers |
25000 |
20000 |
30000 |
|
Security contexts |
2 included; 250 maximum |
2 included; 250 maximum |
2 included; 250 maximum |
|
AC maximum input power |
870W |
770W |
1380W |
- In a FPR4225-ASA-K9 vs FPR4215-ASA-K9 comparison, both are 1RU Secure Firewall 4200 ASA appliances with the same fixed-port and module-slot layout, but FPR4225-ASA-K9 increases system memory, multiprotocol firewall throughput, connection scale, and IPsec VPN throughput.
- The FPR4225-ASA-K9 difference from FPR4245-ASA-K9 is capacity headroom: FPR4245-ASA-K9 moves to 1 TB memory, 180 Gbps stateful firewall throughput, and 180 million concurrent firewall connections.
- For buyers comparing FPR4225-ASA-K9 vs FPR4215-ASA-K9 vs FPR4245-ASA-K9, which model to choose should follow the ASA sizing row approved for firewall throughput, connection count, VPN peers, and AC input power.
Selection Guide
1. Match the ASA software identity first
Choose FPR4225-ASA-K9 only when the deployment requires the Cisco Secure Firewall 4225 ASA appliance rather than a Secure Firewall 4225 NGFW orderable SKU.
2. Use the 4225 ASA row for sizing
Select this model when the approved design calls for 95 Gbps stateful inspection throughput, 85 Gbps multiprotocol throughput, 90 million connections, or 25000 VPN peers.
3. Stay on 4215 or move to 4245 based on headroom
Use FPR4215-ASA-K9 for a lower 4215 sizing row, and move to FPR4245-ASA-K9 when the BOM requires the higher 4245 values shown in the comparison table.
4. Validate the interface and power plan before quote release
Confirm fixed-port optics, network module PID, ASA and ASDM release compatibility, 200/400G module release needs, AC input voltage, and country-specific power cords.
Ordering Checklist
|
Check Item |
What to Confirm |
Why It Matters |
|---|---|---|
|
Exact appliance PID |
FPR4225-ASA-K9 rather than FPR4225-NGFW-K9 |
Cisco separates ASA and next-generation firewall orderable identities for the 4225 platform |
|
ASA software plan |
Target ASA release and compatible ASDM version |
Secure Firewall 4200 supports ASA software but Cisco points release compatibility to the ASA compatibility guide |
|
Fixed-port optics |
SFP28 transceiver or DAC plan for the eight fixed 1/10/25G fiber ports |
The fixed ports are the base data interfaces before optional module expansion |
|
Network module selection |
Required 1/10G, 25G, 40G, 100G, 200G, 400G, or hardware-bypass module |
The two module slots can change port speed and release requirements |
|
Power and cords |
Dual AC power supply input voltage and country-specific power cords |
The 4225 uses dual AC supplies and site power must match Cisco power-cord support |
|
Rack and accessory kit |
Slide rails, cable-management brackets, SSD, fan, and spare-part needs |
The hardware guide lists rack and field-replaceable accessory PIDs for the 4200 chassis |
Optional Add-ons
|
Model |
Description |
|---|---|
|
FPR4K-XNM-8X10G |
8-port 1/10-Gbps SFP+ network module |
|
FPR4K-XNM-8X25G |
8-port 1/10/25-Gbps SFP28 network module |
|
FPR4K-XNM-4X40G |
4-port 40-Gbps QSFP/QSFP+ network module |
|
FPR4K-XNM-2X100G |
2-port 100-Gbps QSFP56/QSFP28/QSFP network module |
|
FPR4K-XNM-4X200G |
4-port 40/100/200-Gbps QSFP28/QSFP network module |
|
FPR4K-XNM-2X400G |
2-port 200/400-Gbps QSFP-DD network module |
|
FPR4K-XNM-8X1GF |
8-port 1000Base-T hardware bypass network module |
|
FPR4K-XNM-6X10SRF |
6-port 10-Gbps SFP SR multimode hardware bypass network module |
|
FPR4K-XNM-6X10LRF |
6-port 10-Gbps SFP LR single-mode hardware bypass network module |
|
FPR4K-XNM-6X25SRF |
6-port 25-Gbps SFP SR multimode hardware bypass network module |
|
FPR4K-XNM-6X25LRF |
6-port 25-Gbps SFP LR single-mode hardware bypass network module |
|
FPR4200-PWR-AC |
1900-W AC power supply module |
|
FPR4200-SSD1800 |
1800 GB SSD |
|
FPR4200-FAN |
Dual fan module |
|
FPR4200-SLD-RAILS |
Slide rail kit |
|
FPR4200-CBL-MGMT |
Cable management brackets |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | FPR4225-ASA-K9 | Product Type | Cisco Secure Firewall 4225 ASA appliance |
| Firewall Model | Secure Firewall 4225 | Security Software Role | Cisco Secure ASA |
| Form Factor | 1RU | Rack Mount | 4-post EIA-310-D rack with slide rails |
| Airflow | Front to rear; I/O side to non-I/O side | System Memory | 512 GB |
| Storage | Two 1.8 TB SSDs | Fixed Data Ports | 8 x 1/10/25-Gbps SFP28 fixed fiber ports |
| Fixed Port Names | Ethernet 1/1 through Ethernet 1/8 | Management Ports | 2 x 1/10/25-Gbps SFP28 ports |
| ASA Management Port Names | Management 1/1 and Management 1/2 | Network Module Slots | 2 hot-swappable slots |
| Supported Module Speeds | 1G 10G 25G 40G 100G 200G and 400G module options | Console Port | 1 x RJ-45 serial port |
| USB Port | 1 x USB 3.0 Type A port | Stateful Inspection Firewall Throughput | 95 Gbps |
| Multiprotocol Firewall Throughput | 85 Gbps | Concurrent Firewall Connections | 90 million |
| New Connections Per Second | 1.7 million | IPsec VPN Throughput | 60 Gbps |
| Maximum VPN Peers | 25000 | Security Contexts | 2 included; 250 maximum |
| High Availability | Active/active and active/standby | Clustering | 16 |
| ASA Centralized Management | Cisco Security Manager or Cisco Defense Orchestrator | Local Management | Adaptive Security Device Manager |
| Network Module Replacement | Hot-swap supported for same module type; reboot required when replacing with a different supported module type | Power Supplies | Dual 1900W for 220 AC or 1200W for 110 AC |
| Redundancy | 1+1 | AC Input Voltage | 100 to 120 VAC low line or 200 to 240 VAC high line |
| AC Frequency | 50/60 Hz nominal | AC Maximum Input Power | 870 W for 4225 |
| AC Efficiency | More than 90 percent Platinum | Fan Modules | Three dual fan modules; hot-swappable |
| Chassis Weight | 43 lb (19.5 kg) with 2 power supplies, 2 network modules, and 3 fan modules | Chassis Dimensions | 1.73 x 16.89 x 32.0 in. (4.39 x 42.9 x 81.28 cm) |
| Operating Temperature | 32 to 104F (0 to 40C) | Operating Humidity | 5 to 90% noncondensing |
| Operating Altitude | 0 to 10000 ft (0 to 3048 m) | Sound Pressure | <=78 dBA typical; <=84 dBA maximum |
| Sound Power | <=87 dB typical; <=92 dB maximum |
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