F5 BIG-IP iSeries Platform

Software-Defined Hardware

BIG-IP iSeries appliances accelerate app delivery in regulated environments with quick and easy programmability, multi-vendor service orchestration, software-defined hardware and line-rate performance.


As digital transformation goes mainstream, the rapid increase in mobile, social and IoT-driven app development is challenging IT’s ability to meet business users’ needs and driving up costs and complexity. Enterprises and service providers can unify application delivery for both established and emerging apps in data center and cloud environments by standardizing on F5 BIG-IP appliances.

Gain Agility with The Most Programmable Cloud-Ready ADC

The BIG-IP iSeries platform combines software and hardware innovations that balance the need for performance, scalability, and security. The next-generation iSeries delivers record breaking, software-defined hardware performance, quick and easy programmability and ecosystem-friendly orchestration. IT can offload SSL processing and deploy comprehensive application delivery and security services anywhere, in any architecture and deployment model. As a result, enterprises of all sizes can accelerate private clouds and secure critical data at scale while lowering TCO.

Read the datasheet ›

Unify Application Delivery

Digital Transformation

Lower TCO

Take advantage of the rapid increase in app development with a next-generation ADC solution that features unrivaled performance and agility.

Enabling Performance and Agility with the BIG-IP iSeries Architecture
Read the white paper ›

Compliance at Scale

Protect Sensitive Data

The F5 BIG-IP platform is FIPS and Common Criteria Certified to enable you to comply with regulatory requirements and get the best protection for all your environments.

Align with Government Regulations and Maintain a Secure IT Environment
Learn more ›

Performance and Security

Protect Critical Data

Innovations in the BIG-IP iSeries platform balance performance, scalability and security, enabling IT to offload SSL processing and deploy comprehensive application delivery and security services anywhere.

Service Provider Delivers Outstanding 5G Network Performance
See the use case ›

Speed and Flexibility

2x Price/Performance

F5 TurboFlex optimization technology offloads specialized functions from the general CPU, resulting in up to 2x the price/performance of leading competitors.  Change performance profiles with business needs.

VIDEO | TurboFlex
Maximize Performance Where It Matters Most
See how it works ›

Achieve predictable performance

Optimize hardware acceleration and intelligent performance where it matters.

Improve security and compliance

Comply with regulations and mitigate attacks with best-in-market SSL performance.

Run critical infrastructure on premises

Ensure resiliency and high availability for every application with complete control.


Automation and Orchestration

Manage all your BIG-IP devices from one place. BIG-IQ Centralized Management provides a central point of control for F5 physical and virtual devices. It simplifies management, helps ensure compliance, and gives you the tools you need to deliver your applications securely and effectively.

Learn more ›


The F5 BIG-IP iSeries platform features programmable cloud-ready ADC appliances with unrivaled Layer 4 and Layer 7 throughput and connection rates. To support regulatory compliance, the BIG-IP iSeries of appliances has earned NIST FIPS 140-2 Level 2 and Common Criteria Evaluation Assurance Level (EAL 4+) certification. The hardware-accelerated support for ECC ciphers provides a cost-effective way to ensure privacy for any-size enterprise:  


BIG-IP i15000 Series / 2RU

The i15000 series delivers high-end performance for security and services in a 2 RU form factor. With 300M L4 concurrent connections, the i15x00 enables consolidation of multiple services on a single device, including TCP/IP optimization, traffic steering, firewall, DDoS, CGNAT and DNS. The i15000 series features:

  • quadruple TurboFlex FPGAs
  • 2x 14-Core Intel Xeon processors,
  • 1.6TB of available use storage space
  • 512GB DDR4 RAM
  • 4x 100G and 8x 40G fiber ports

The i15000 appliances provide the highest density of high-speed ports per rack unit available in an appliance as well as the highest L4 throughput, supporting 320/160G of L4/L7 throughput and up to 10M L7 RPS. 

BIG-IP i11000 Series / 1RU

The BIG-IP i11000 series of high-performance ADC appliances include dedicated crypto-hardware to enable SSL offloading and hardware-based support for elliptical curve cryptography (ECC) ciphers. The i11800 appliances offer the highest L7 request-per-sec performance in a 1RU form factor. The i11000 series features:

  • dual TurboFlex FPGAs
  • 18-Core Intel Xeon processor
  • 256GB DDR4 RAM
  • 960GB enterprise class solid-state drive (SSD)
  • dual 80 Plus Platinum-certified, high-efficiency power supplies

The i11000 series supports up to 180M L4 concurrent connections and up to 32 vADC guests for consolidating application and security services, including L4 – L7 traffic management, DNS, DDoS protection, and web application firewalls. 


BIG-IP i10000 series / 1RU

The BIG-IP i10000 series of ADC appliances offer high performance and availability, featuring dedicated crypto-hardware for SSL offload and hardware-based support for elliptical curve cryptography (ECC) ciphers, and:

  • dual TurboFlex FPGAs
  • 8-Core Intel Xeon processor
  • 128GB DDR4 RAM
  • 480GB enterprise-class, solid state drive (SSD)
  • dual 80 Plus Platinum-certified, high-efficiency power supplies

The i10000 series of appliances is available as a 1RU appliance and supports up to 100M L4 concurrent connections, up to 16 vADC guests, and 160/80G of L4/L7 throughput.


BIG-IP i7000 series / 1RU

The BIG-IP i7000 series of mid-to-high performance ADC appliances features:

  • TurboFlex optimization technology
  • 6-Core Intel Xeon processor
  • 96GB DDR4 RAM
  • 480GB enterprise class solid-state drive (SSD)
  • dual power supplies

Compared to previous models, this 1 RU ADC offers twice the Layer 4/7 throughput and Layer 4 concurrent connections, 60 percent more SSL TPS, and supports 50 percent more vADC guests. 

BIG-IP i5000 series

The BIG-IP i5000 series offers best-in-class performance for advanced mid-range ADC appliances and features:

  • TurboFlex optimization technology
  • 4-Core Intel Xeon CPU
  • 48GB DDR4 RAM
  • 480GB enterprise class solid-state drive (SSD)
  • eight 10GbE SFP+ ports
  • four 40GbE QSFP+ ports

Compared to previous models, the i5800 ADC provides twice the Layer 4 throughput and concurrent connections, and 67 percent more SSL TPS. 


BIG-IP i4000 series

The mid-range BIG-IP i4000 series of ADC appliances offer exceptional performance that meets most small-to-medium sized enterprise application and security service requirements. This i4000 series features:

  • 4-Core Intel Xeon CPU
  • 32GB DDR4 RAM
  • 500GB enterprise-class hard drive
  • eight 1GbE fiber ports
  • four 10GbE SFP+ ports

The i4800 series provides double the Layer 4 throughput, 2.8x the Layer 4 concurrent connections, and 2.2x the SSL TPS than comparable models. 

BIG-IP i2000 series

The entry-level BIG-IP i2000 series of high-performance ADC appliances provides small-to-medium sized enterprises with integrated application delivery and security services. This series features: 

  • 2-Core Intel Xeon CPU
  • 16GB DDR4 RAM
  • 500GB enterprise-class hard drive
  • four 1GbE fiber ports
  • two 10GbE SFP+ ports

The i2800 series provides double the Layer 4 throughput, 2.8x the Layer 4 concurrent connections, and 1.5x the Layer 7 requests-per-second than comparable models, with support for GBB bundle licensing. 

Standardize App Services with BIG-IP iSeries Appliances

Enterprises and service providers rely on F5 BIG-IP iSeries appliances to unify application delivery and security services for both emerging and mission-critical applications.


Lower Costs and Extend Infrastructure

Accelerate private clouds and secure critical data at scale—in both established and emerging application architectures—with the most flexible and powerful application delivery controller available. With the VIPRION Chassis and Blades, enterprises and service providers can add blades without disrupting apps or users to extend power without adding devices.

Learn more ›

Get started

Contact F5 Sales

We can assess your needs and connect you with the right cloud provider, reseller partner, or an F5 Sales Engineer.    

Start a trial

Experience F5 in action by testing our products in your pre-production environment.    

Find a reseller

We’re dedicated to building partnerships that drive your business forward.