The BullSequana X400 is a comprehensive family of rack-mounted servers designed for High-Performance Computing & AI workloads. They offer an optimum balance between density, efficiency, and cost. They can be deployed for specific customer workloads or integrated into large-scale Exascale clusters as service nodes.
BullSequana X400 features
Highly versatile
High density
Hardware security
Ease of use
BullSequana X400 key differentiations
The BullSequana X400 mid-range supercomputer series bridges enterprise servers and high-end supercomputers, providing a cost-effective, mid-range HPC-AI solution.
Designed for performance and efficiency, it complements Exascale systems based on specific needs.
- Optimized balance of cost, performance, and density for customer needs
- Designed to support BullSequana XH3000’s management, administration, and user access
- Engineered to maximize energy efficiency and adapt to various usage scenarios
- Smart HPC Software suite: crafted to configure, manage, and optimize system efficiency.

BullSequana X400 E8 family
BullSequana-X400-E7 family
BullSequana-X400-A6 family
Partner with cutting-edge technologies in a modular solution



Related products and solutions

BullSequana XH3000
Hybrid supercomputer for any-scale to exascale simulations; unrivaled energy efficiency, leading flexibility and future proof.

BullSequana eXascale Interconnect v3-BXI v3
High-performance interconnect network fabric for HPC and AI workloads. By offloading tasks from GPUs and optimizing traffic, BXI v3 enhances GPU utilization and system efficiency.

CEPP – Center for Excellence in Performance Programming
Industry-leading HPC & AI consulting services. In maximizing workload efficiency, CEPP accelerates simulation, optimizes performance, reduces cost-to-innovation.
FAQ
The BullSequana X400 series is designed for any HPC workload, including compute-intensive tasks, service and login functions, and advanced visualization. It includes compute nodes (X440), service nodes (X430), and visualization nodes (X450), allowing tailored configurations for diverse needs.
The X400 family offers optimized density and performance-to-cost ratio, air-cooled servers that fit standard racks, and high energy efficiency with 80+ Titanium power supplies and advanced power management. These features lower deployment time, space, and TCO while maintaining high performance.
The series supports the latest technologies from Intel®, AMD®, and NVIDIA®, with large DIMM and MRDIMM capacities, high-speed interconnects (InfiniBand, BXI v3), NVMe/SATA storage, and advanced remote management tools. The E8 variant supports 6th Gen Intel Xeon® Scalable CPUs with up to 128 cores per node.
Eviden offers installation, testing, training, and full lifecycle support. Customers benefit from access to Eviden’s Center of Excellence for Performance Programming, ensuring optimized application performance and expert guidance throughout.
The modular architecture enables customers to start small and scale up easily, integrating new nodes as needed. It’s compatible with other Eviden systems for building larger, cost-efficient HPC clusters, and is already trusted by government, education, and industrial clients.
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