Cray CS400-AC Cluster Supercomputer

Maximize Your Productivity with Flexible, High-Performing Cray CS400 Cluster Supercomputers

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Cray® CS400-AC™ Cluster Supercomputers

The CS400-AC™ system is our air-cooled cluster supercomputer. This cluster supercomputer was designed to offer the widest possible choice of configurations. It is a highly scalable and modular platform based on the latest x86 processing, coprocessing and accelerator technologies from Intel and NVIDIA. Industry-standard server nodes and components have been optimized for high performance computing (HPC) and tightly integrated with a comprehensive HPC software stack, creating a unified system that excels at capacity and data-intensive workloads. 

Featured Resources

Cray CS400 Brochure

Smarter cluster supercomputing from the supercomputer experts


Flexible, Scalable Configurations

Blade or rackmount platforms for easy configuration and scaling on node and whole-system levels

x86 Intel® Xeon® processors

Intel® Xeon Phi™ coprocessors or NVIDIA® Tesla® GPU accelerators

Local hard drives in each server

Multiple interconnect options: 3D torus/fat tree, single/dual rail, QDR/FDR InfiniBand

Choice of network-attached file systems and Lustre®-based parallel file storage systems

Comprehensive, Easy Manageability

Customizable HPC cluster software stack

  • Compatible with most compilers, debuggers, schedulers, libraries
  • Integrated and tested
  • Available with Cray Programming Environment, Cray Scientific and Math Libraries, Cray Performance Measurement and Analysis Tools

Advanced Cluster Engine (ACE™) system management software

  • Simplifies network, server, cluster and storage management
  • Supports multiple network topologies and diskless configurations with optional local storage
  • Provides network failover with high scalability and maximum reliability
  • Integrates easily with customizable HPC development environment for industry-standard platforms and software configurations
  • Manages heterogeneous nodes with different software stacks
  • Monitors nodes, networks, power and temperature

Built-in Efficiency and Reliability

High-efficiency load balancing power supplies

480V power distribution with choice of 208V or 277V three-phase power supplies

Multiple levels of redundancy and fault tolerance

Redundant power, cooling, management subsystems and networks with failover capabilities

Critical components easily accessible and hot swappable

Option for liquid cooling rack rear door heat exchangers and chillers for more energy savings