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OpenFlex Composable Infrastructure

Highly Scalable and Flexible Resource Utilization

Western Digital OpenFlex Composable Storage


Share and manage physical resources with a common interface and API


Disaggregate storage and compute for independent scaling


Independently scale flash and disk storage over the same fabric


  • Composable, shareable high-performance storage
  • Access data from anywhere in the data center
  • Lower Capex and Opex by reducing resource over provisioning
  • Manageable through existing data center orchestration frameworks


  • Reduce stranded or underutilized resources
  • Dynamic provisioning—scale down resources just as easily as you scale up
  • Common hardware for varied use cases
  • Scale at the enclosure or device level
  • Deploy uniform components and provision as needed

Applications and Workloads

  • High-Performance, Low-Latency Apps
  • Database
  • Data Analytics
  • Rack-Scale Flexible Infrastructure
  • Software-Defined Storage Environments
  • Private Cloud
  • Big Data Applications

OpenFlex F3100 Series Fabric Device

OpenFlex architecture and products allow storage to be disaggregated from compute, enabling applications to share a common pool of storage capacity. Data can easily be shared between applications, or needed capacity can be allocated to an application regardless of location.

OpenFlex E3000 Fabric Enclosure with up to 10 OpenFlex F3100 Series Fabric Devices

OpenFlex Data24 NVMe-oF Storage Platform

• Enables servers to share NVMe flash storage as if it were local
• Uses low latency fabric to fully utilize IOPS and capacity
• Provides more efficient use of large capacity SSDs
• High performance RapidFlex NVMe-oF controllers
• Fan out to six connections without a switch
• Balanced design to eliminate over-subscription and maintain NVMe performance
• Disaggregates NVMe shared storage for open composability
• Allows multiple hosts concurrent access at low latency
• Leverages mature standard NVM Express over Fabrics 1.0a
• Provides open composability in a 2U 24-bay platform

OpenFlex Data24 NVMe-oF Storage Platform

Open Composability Application Programming Interface

Western Digital’s Open Composability API is a RESTful API

  • Builds upon existing industry standards such as Redfish® and Swordfish™
  • Utilizes the best features of those standards as well as practices from other industry captive management protocols.
  • Designed for data center composability
  • Intended to orchestrate all data center elements including compute, flash, disk, network, accelerators, and disaggregated memory

RapidFlex™ C1000 NVMe-oF™ Adapter

Western Digital’s RapidFlex™ C1000 NVMe-oF adapter is a half-height/half-length solution which enables NVMe™ over Fabrics (NVMe-oF™) attached storage systems.
This high-performance adapter is based on Western Digital’s NVMe-oF Bridge ASIC, and forms a key component for the enablement of the industry’s newest Composable Disaggregated Infrastructures.

We’d love to work on your project. We do extensive analysis of your existing and future needs, deliver a comprehensive solution architecture on a validated hardware and software build that ships fully integrated. Contact us for an expert consultation today!

Composable Infrastructure

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