Cisco Firepower 4255 NGFW Appliance

Cisco Firepower 4255 NGFW Appliance

Brand: Cisco | Category: Network Security

SKU: FPR4255-NGFW-K9 | Part #: FPR4255-NGFW-K9 | MPN: FPR4255-NGFW-K9

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About the Cisco Firepower 4255 NGFW Appliance

With firewall throughput of 14 Gbps, intrusion prevention, and SSL/TLS inspection built in, the Cisco Firepower 4255 NGFW Appliance (FPR4255-NGFW-K9) delivers enterprise-grade threat prevention at scale. This 2U rack-mounted next-generation firewall processes up to 120,000 connections per second and maintains 500,000 concurrent sessions, making it ideal for mid-to-large organizations protecting mission-critical traffic. The platform combines advanced threat defense and URL filtering with a multi-core Intel-based processor and 32 GB of memory, ensuring consistent performance under sustained security inspection workloads.

Built on Cisco's proven architecture, the FPR4255-NGFW-K9 integrates seamlessly with Cisco Defense Orchestrator and Firewall Management Center (FMC) for centralized policy control and threat visibility. Connectivity is provided through 8x Gigabit Ethernet ports plus 2x 10GbE SFP+ interfaces, supporting both traditional and high-speed network deployments. Network engineers and IT procurement teams seeking a robust, scalable firewall for comprehensive network security and threat prevention should evaluate this platform.

Typical Enterprise Deployments

  • Data center perimeter security with sustained high-throughput inspection of east-west and north-south traffic
  • Branch gateway consolidation for organizations requiring centralized threat management across multiple sites
  • SSL/TLS decryption and encrypted threat analysis at the network edge
  • Advanced intrusion prevention and zero-day threat defense for regulated industries and sensitive workloads
  • Multi-tenant segmentation with URL filtering and application-level control policies

For detailed specifications, integration requirements, and deployment planning, contact Omnixon Global to submit an RFQ for the Cisco Firepower 4255 NGFW Appliance.

Technical Specifications

BrandCisco
CategoryNetwork Security
SKUFPR4255-NGFW-K9
Part NumberFPR4255-NGFW-K9
ConditionNew
Manufacturer Part NumberFPR4255-NGFW-K9
Product TypeNext-Generation Firewall
Form Factor2U Rack
Throughput (Firewall)14 Gbps
Connections Per Second120,000
Max Concurrent Sessions500,000
ProcessorMulti-core Intel-based
Memory32 GB
Network Interfaces8x Gigabit Ethernet + 2x 10GbE SFP+
Security FeaturesIntrusion prevention, SSL/TLS inspection, advanced threat defense, URL filtering
ManagementCisco Defense Orchestrator, FMC integration
Use CaseEnterprise-grade network security and threat prevention

Frequently Asked Questions about Cisco Firepower 4255 NGFW Appliance

What does the Cisco Firepower 4255 NGFW Appliance do?

The Cisco Firepower 4255 NGFW Appliance is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Arista environments.

What are the headline specs of the Cisco Firepower 4255 NGFW Appliance?

Key specifications for the Cisco Firepower 4255 NGFW Appliance: new condition; part number FPR4255-NGFW-K9; manufacturer Cisco; category Network Security; condition New, sealed; manufacturer part number FPR4255-NGFW-K9; product type Next-Generation Firewall. Manufacturer part number FPR4255-NGFW-K9. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.

Is the Cisco Firepower 4255 NGFW Appliance compatible with my infrastructure?

The Cisco Firepower 4255 NGFW Appliance interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.