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License doubles ISR 4320 base performance from 50Mbps to 100Mbps reliably.
FL-4320-PERF-K9
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FL-4320-PERF-K9 Increases the performance from base performa...
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Name:
FL-4320-PERF-K9
- Description:
- FL-4320-PERF-K9 Increases the performance from base performance 50 Mbps to 100 Mbps
- Rating:
Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249735450
- Condition:
- Warranty:
- 3
- List Price:
$1,180.00
- Price:
$162.0086.3% off
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1
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FL-4320-PERF-K9 Overview
The FL-4320-PERF-K9 Cisco FirePOWER 4320 Performance License enhances the throughput, inspection capacity, and overall performance of the Cisco FirePOWER 4320 Next-Generation Firewall (NGFW). It allows enterprises to scale firewall performance dynamically, ensuring faster processing for both encrypted and unencrypted traffic without requiring hardware upgrades.
This license unlocks additional system resources to improve firewall, VPN, and IPS (Intrusion Prevention System) performance. It supports high-volume data environments with increased session handling, SSL inspection, and malware detection efficiency, making it ideal for large-scale enterprise, service provider, and data center deployments.
Delivered via Electronic Software Delivery (ESD), the FL-4320-PERF-K9 license activates securely online. As an OEM perpetual license, it provides lifetime validity, continuous software compatibility, and full eligibility for Cisco SMARTnet and FirePOWER Management Center (FMC) support.
Built for demanding environments, this license ensures that the Cisco FirePOWER 4320 appliance delivers optimal throughput, scalability, and protection for mission-critical applications.
Capabilities
- Performance Boost Activation - Expands system throughput and security processing capacity.
- Advanced Threat Prevention - Enhances NGIPS, AMP, and SSL inspection efficiency.
- Scalable Session Handling - Increases concurrent connections for high-density enterprise networks.
- Low-Latency Security Processing - Maintains speed even under heavy traffic inspection loads.
- Seamless FMC Integration - Manageable through Cisco FirePOWER Management Center for unified control.
- Perpetual License Model - Lifetime activation ensuring ongoing Cisco support and software compatibility.
Supported Hardware & Software for FL-4320-PERF-K9
The FL-4320-PERF-K9 license is purpose-built for the Cisco FirePOWER 4320 Series, providing scalable performance and advanced protection for high-traffic enterprise environments.
Supported Hardware Model:
- Cisco FirePOWER 4320 NGFW Appliance - High-performance next-generation firewall supporting advanced threat protection and deep packet inspection.
Supported Software & Environments:
- Cisco FirePOWER Threat Defense (FTD)
- Cisco FirePOWER Management Center (FMC)
- Cisco ASA with FirePOWER Services
- Windows Server (2016 / 2019 / 2022)
- Red Hat Enterprise Linux (RHEL)
- VMware ESXi / vSphere
The Cisco FL-4320-PERF-K9 License empowers the FirePOWER 4320 to reach its full operational capacity, delivering superior throughput, faster security inspection, and enterprise-grade reliability for evolving network environments.
FL-4320-PERF-K9 price is $162.00, a 86.3% saving from the Cisco list price of $1,180.00. FL-4320-PERF-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for FL-4320-PERF-K9 for additional pricing. Browse the full Cisco Isr 4000 Licenses series or explore all Cisco products.
FL-4320-PERF-K9 Specifications
- Product Type
- Software License
- Software Category
- Network Management
- License Type
- Perpetual
- License Duration
- Lifetime
- Use Case
- Enterprise
- User Count
- N/A
- Device Count
- 1 Device
- Platform Compatibility
- Cross-Platform
- Delivery Method
- Digital Key
- Activation Type
- Online Activation
- Language Support
- English
- Bit Version
- N/A
- Cloud Integration
- N/A
- Software Format
- Downloadable
- Support Included
- Yes
- Product Name
- FL-4320-PERF-K9-FL-4320-PERF-K9 Increases the performance from base performance 50 Mbps to 100 Mbps
- License Key Included
- Yes
- ESD (Electronic Software Delivery)
- Yes
- Renewable
- No
- Compliance Certifications
- N/A
- Product Region
- Global
FL-4320-PERF-K9 Use Case
Branch Office VPN Throughput Optimization with FL-4320-PERF-K9
In a multinational enterprise branch office deploying FL-4320-PERF-K9, the device boosts VPN throughput from 50 Mbps to 100 Mbps, enabling secure, high-speed data replication across sites. This upgrade halves file transfer times, maintains SLA compliance for real-time backup and disaster recovery, and reduces WAN costs by consolidating multiple links.
HD Video Conferencing for Remote Collaboration
In a corporate headquarters upgrading its WAN backbone with FL-4320-PERF-K9, video conferencing bandwidth doubles to support simultaneous 4K streams without packet loss or jitter. The result is seamless global meetings, enhanced team productivity, and optimized network utilization—delivering crystal-clear audio/video at peak performance.
SaaS Application Acceleration for Cloud Service Providers
In a SaaS data center environment integrating FL-4320-PERF-K9 at the network edge, throughput scales from 50 Mbps to 100 Mbps to accelerate user access to cloud applications and APIs. This performance boost reduces page-load times to under 200 ms, supports 2× more concurrent users, and elevates customer satisfaction and retention.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| FL-4320-PERF-K9 |  L-SL-44-APP-K9= |  SL-4320-SEC-K9 |  FL-4460-PERF-K9 |  FL-4220-PERF-K9= | |
|---|---|---|---|---|---|
| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Bit Version | N/A | N/A | N/A | N/A | N/A |
| Cloud Integration | N/A | N/A | N/A | N/A | N/A |
| Compliance Certifications | N/A | N/A | N/A | N/A | N/A |
| Delivery Method | Digital Key | Digital Key | Digital Key | Digital Key | Digital Key |
| Device Count | 1 Device | Unlimited | 1 Device | 1 Device | 1 Device |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Language Support | English | Multilingual | English | English | English |
| License Duration | Lifetime | Lifetime | Lifetime | Lifetime | 1 Year |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| License Type | Perpetual | Perpetual | Retail | Perpetual | Subscription |
| Platform Compatibility | Cross-Platform | Cross-Platform | N/A | Cross-Platform | Cross-Platform |
| Product Name | FL-4320-PERF-K9-FL-4320-PERF-K9 Increases the performance from base performance 50 Mbps to 100 Mbps | L-SL-44-APP-K9=-APPX LICENSE 4431/4451 WITH WAAS/VWAAS 1300/2500 CONNS RTU | SL-4320-SEC-K9-SECURITY LICENSE FOR ISR 4320 SERIES | FL-4460-PERF-K9-PERFORMANCE ON DEMAND LICS FOR 4400 SERIES | FL-4220-PERF-K9=-PERFORMANCE ON DEMAND LICS FOR 4220 SERIES |
| Product Region | Global | Global | Global | Global | Global |
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Renewable | No | No | N/A | No | Yes |
| Software Category | Network Management | Network Management | Security | Network Management | Network Management |
| Software Format | Downloadable | Downloadable | Downloadable | Downloadable | Downloadable |
| Support Included | Yes | Vendor Support Required | Vendor Support Required | Yes | Yes |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| User Count | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
I
Isabella Hayes
5
Smooth deployment with predictable B2B usability.
L
Lucas Parker
4
Stable operations and minimal setup complexity.
S
Sophia Brooks
4
Reliable performance for enterprise networks.
M
Mason Ward
5
Easy activation and seamless integration.
Questions & Answers
What is the FL-4320-PERF-K9 performance upgrade?
The FL-4320-PERF-K9 is a license key that doubles device throughput from 50 Mbps to 100 Mbps.
Which hardware platforms support FL-4320-PERF-K9?
FL-4320-PERF-K9 is compatible with the Cisco Firepower 4320 Series appliances running ASA or FTD software.
How much throughput increase does the FL-4320-PERF-K9 deliver?
This upgrade increases base throughput from 50 Mbps to 100 Mbps, delivering a 100% performance boost.
How do I apply the FL-4320-PERF-K9 license?
Obtain your license token, import it via the device management interface, and activate under the licensing section.
Does enabling FL-4320-PERF-K9 require downtime?
No reboot or service interruption is required; the performance upgrade activates dynamically.
Is FL-4320-PERF-K9 a perpetual license?
Yes, the FL-4320-PERF-K9 is a perpetual license that remains valid for the device’s lifetime.
Can I revert to the original 50 Mbps performance?
Yes, disabling or removing the license from the management interface restores the base 50 Mbps throughput.
What prerequisites are required before installing FL-4320-PERF-K9?
Ensure your appliance runs a supported ASA or FTD software version and has valid feature entitlement.
How can I verify that the performance upgrade is active?
Run the CLI command “show performance license” to confirm the 100 Mbps throughput status.
What are the key benefits of deploying FL-4320-PERF-K9?
It supports higher traffic volumes, reduces congestion, and extends the appliance’s usable lifespan.
Does FL-4320-PERF-K9 include technical support?
Technical support requires an active Cisco SMARTnet or equivalent service contract.
Are software updates included with the FL-4320-PERF-K9 license?
Software updates require a valid support contract; the license itself does not include maintenance.
How do I purchase the FL-4320-PERF-K9 license?
Contact a Cisco authorized reseller or visit the Cisco e-commerce portal to order the SKU.
What is the SKU model for ordering the performance upgrade?
The SKU for this upgrade is FL-4320-PERF-K9, which you can request from any Cisco partner.
How does FL-4320-PERF-K9 compare to other performance licenses?
It offers a mid-tier upgrade to 100 Mbps, ideal for branch sites requiring moderate throughput.
Can I stack FL-4320-PERF-K9 with other feature licenses?
Yes, you can deploy it alongside VPN, IPS, and advanced malware protection licenses.
Does the FL-4320-PERF-K9 impact encryption or inspection features?
No, all existing encryption, SSL inspection, and security services remain fully functional at 100 Mbps.