IBM Flex System Networking

IBM Flex System offers high performance Ethernet and converged networking switches and adapters that can fit into your existing network and future IT environment. These highly flexible products coupled with on demand scalability offer an easy way to scale as your IT requirements grow.


Ethernet switch modules

Product features


IBM Flex System Fabric EN4093R 10Gb Scalable Switch

Provides unmatched Ethernet scalability and performance, while delivering innovations to help address a number of networking concerns today and providing capabilities that will better prepare companies for the future.

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IBM Flex System Fabric CN4093 10Gb Converged Scalable Switch

Provides unsurpassed convergence flexibility, scalability and performance, while delivering networking innovations to help clients address today’s converged networking requirement and their potential future needs.

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IBM Flex System EN2092 1Gb Ethernet Scalable Switch

This 1 Gb Ethernet scalable switch provides outstanding flexibility allowing you to buy one switch today and enhance its functionality in the future. The switch also supports high availability with legendary IBM quality and switch-failover capability. This switch is designed to help you address today’s networking requirements while providing advanced capabilities to address future needs.

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Ethernet adapters

Product features


IBM Flex System CN4054 10Gb Virtual Fabric Adapter

Supports multiple advanced protocols for Intel processor-based IBM Flex System compute nodes. It can run in a physical, virtual or switch independent modes, and helps provide a way to reduce data center costs by using a common infrastructure for Ethernet and storage networks.

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IBM Flex System CN4058 10Gb Converged Network Adapter

The IBM Flex System CN4058 10 Gb Converged Adapter supports multiple advanced protocols for POWER-based IBM Flex System compute nodes. It helps provide a way to reduce data center costs by using a common infrastructure for Ethernet and storage networks.

Power Systems feature EC24

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IBM Flex System EN4054 4-port 10Gb Ethernet Adapter

Designed to run on IBM Flex System POWER7®-based compute nodes, this adapter supports four ports of 10 Gb for highest performance and scalability.

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Contact Lenovo for x86-based systems

Contact IBM for POWER and/or hybrid (POWER + x86) systems


Lenovo acquires IBM x86 systems

These IBM x86 products are now products of Lenovo in the U.S. and other countries. IBM will host x86-related content on ibm.com until migrated to Lenovo. During the transition, please interpret references to IBM in relation to transitioned products as Lenovo.

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The elements that make up IBM PureFlex and PureApplication Systems