Overview

Fastest path to production silicon for agentic AI data centers with industry-leading performance per watt

Arm Neoverse Compute Subsystems (CSS) are validated, performance-optimized infrastructure compute platforms built on leading-edge process technology. They accelerate time-to-silicon by offloading non-differentiated design and validation tasks, enabling partners to focus on customization and market-specific innovation. Designed for cloud, agentic AI, 5G and networking workloads, Neoverse CSS delivers scalable performance, efficiency and advanced Armv9 features to support next-generation infrastructure.

Features and benefits

Configurability

Tailor compute, memory, I/O and chiplet connectivity.
Agentic AI

Built for rack-scale compute and AI accelerator connectivity.
Faster development

Speed the path to production silicon to as fast as 13 months with up to 80 engineering years saved.
Products

Choose the right Neoverse CSS for your workload

Arm Neoverse CSS delivers customer value by performing more of the non-differentiated but necessary steps in bringing customized silicon to market. Neoverse CSS customers have reported significant benefits from this unique engagement with Arm, including:

AI data centers powered by Arm Neoverse

Arm total design ecosystem

Arm Total Design

Arm Total Design is an ecosystem of industry leaders collaborating to accelerate and simplify the development of Arm Neoverse CSS-based systems. It provides partners with preferential access to Arm Neoverse CSS, pre-integrated IP and EDA tools, design services, foundry support, and commercial software and firmware support.

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Resources

Latest news and resources

  • News and Blogs
  • Developer
  • Videos
  • Reports

Optimize workloads for Arm Neoverse CSS

Arm Performix is a performance analysis toolkit for developers building AI and large application workloads. It can identify bottlenecks and provide targeted code optimizations to improve efficiency and performance on Neoverse CSS.

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Migrate workloads to Arm-based cloud

The Arm Cloud Migration Program gives developers step-by-step guidance, tools, open source support and CI/CD resources to assess, migrate and optimize workloads across AWS, Google Cloud, Microsoft Azure and OCI.

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Optimize workloads for Arm Neoverse CSS

Watch and learn more details about the Arm Neoverse CSS N4 as it’s unveiled in the keynote at Arm Everywhere China.

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Why performance per watt is the new AI data center benchmark

Mohamed Awad, EVP of Arm's Cloud AI Business Unit, explains how system-level optimization across compute, networking, memory and custom silicon can improve AI infrastructure efficiency and accelerate innovation.

Watch keynote

Independent Testing Confirms Arm Neoverse Cloud Advantage

Independent Signal65 testing reveals that AWS Graviton4 processors—built on Arm Neoverse—deliver up to 2.2x better price-performance and up to 1.7x higher throughput than x86 alternatives across real-world workloads.

Read Report

Key takeaways

  • Neoverse CSS delivers pre-validated, performance-optimized compute subsystems on advanced foundry processes for modern infrastructure needs.

  • The platform accelerates production timelines by reducing design risk and offloading non-differentiated validation work.

  • Neoverse CSS targets specialized workloads in cloud, AI, 5G, HPC, and networking environments.

  • Infrastructure partners can focus engineering resources on market-specific differentiation and innovation.

  • CSS integrates Armv9 technologies, confidential compute, and scalable system features while reducing time-to-silicon by up to one year.

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