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FL-4320-PERF-K9
FL-4320-PERF-K9 Increases the performance from base performa...
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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.
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:
Supported Software & Environments:
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.
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.
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.
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.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| FL-4320-PERF-K9 |  L-SL-44-APP-K9 |  SL-4320-SEC-K9 |  FL-4460-PERF-K9 |  FL-4220-PERF-K9 | |
|---|---|---|---|---|---|
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Software Category | Network Management | Network Management | Security | Network Management | Network Management |
| License Type | Perpetual | Perpetual | Retail | Perpetual | Subscription |
| License Duration | Lifetime | Lifetime | Lifetime | Lifetime | 1 Year |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| Device Count | 1 Device | Unlimited | 1 Device | 1 Device | 1 Device |
| Delivery Method | Digital Key | Digital Key | Digital Key | Digital Key | Digital Key |
| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Language Support | English | Multilingual | English | English | English |
| Software Format | Downloadable | Downloadable | Downloadable | Downloadable | Downloadable |
| Support Included | Yes | Vendor Support Required | Vendor Support Required | Yes | Yes |
| 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 |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Product Region | Global | Global | Global | Global | Global |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
License doubles ISR 4320 base performance from 50Mbps to 100Mbps reliably.
Smooth deployment with predictable B2B usability.
Stable operations and minimal setup complexity.
Reliable performance for enterprise networks.
Easy activation and seamless integration.
The FL-4320-PERF-K9 is a license key that doubles device throughput from 50 Mbps to 100 Mbps.
FL-4320-PERF-K9 is compatible with the Cisco Firepower 4320 Series appliances running ASA or FTD software.
This upgrade increases base throughput from 50 Mbps to 100 Mbps, delivering a 100% performance boost.
Obtain your license token, import it via the device management interface, and activate under the licensing section.
No reboot or service interruption is required; the performance upgrade activates dynamically.
Yes, the FL-4320-PERF-K9 is a perpetual license that remains valid for the device’s lifetime.
Yes, disabling or removing the license from the management interface restores the base 50 Mbps throughput.
Ensure your appliance runs a supported ASA or FTD software version and has valid feature entitlement.
Run the CLI command “show performance license” to confirm the 100 Mbps throughput status.
It supports higher traffic volumes, reduces congestion, and extends the appliance’s usable lifespan.
Technical support requires an active Cisco SMARTnet or equivalent service contract.
Software updates require a valid support contract; the license itself does not include maintenance.
Contact a Cisco authorized reseller or visit the Cisco e-commerce portal to order the SKU.
The SKU for this upgrade is FL-4320-PERF-K9, which you can request from any Cisco partner.
It offers a mid-tier upgrade to 100 Mbps, ideal for branch sites requiring moderate throughput.
Yes, you can deploy it alongside VPN, IPS, and advanced malware protection licenses.
No, all existing encryption, SSL inspection, and security services remain fully functional at 100 Mbps.
United States
