Overview

Fastest Path to Production Silicon with World-Leading Performance, on Leading-Edge Technology

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, AI, 5G, and networking workloads, Neoverse CSS delivers scalable performance, efficiency, and advanced Armv9 features to support next-generation infrastructure.

Features and Benefits

Fastest Path to Production Silicon

With Arm Neoverse Compute Subsystems (CSS), Arm delivers a proven, verified compute subsystem that can reduce risk, lower NRE, and accelerate CPU time to market by up to one year. Together with SystemReady SR compliance, Neoverse CSS helps enable a software ecosystem that just works.

Customizable, World-Class Performance

Neoverse CSS takes Arm Neoverse platform IP and optimizes it for performance, power, and area using a leading-edge foundry process. Customers can customize Neoverse CSS with on-chip or off-chip accelerators for performance-per-watt optimized specialized computing.
Leading Edge Technology

Neoverse CSS delivers the roadmap of Armv9 features and Neoverse technologies out of the box – Arm Confidential Compute, AMBA CHI C2C, Arm Scalable Matrix Extensions, and more. Neoverse CSS also provides system management, power management, and platform software support.

Neoverse CSS Customer Value

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:

13

Months from Kick-off to Working Silicon
80

Engineering Years Saved
Components

Components of a Neoverse Compute Subsystem

Arm Neoverse Compute Subsystems include Neoverse cores, CMN mesh, and system IP, as well as system management, power management, software and development tools needed to deliver performance-optimized compute to market quickly.

Products
Specialized Processing with Performance-Optimized Compute

Neoverse CSS product verified and performance-validated for fastest time to market.

Neoverse CSS V3

The high-performance Arm Neoverse V3 platform is configured and verified by Arm for cloud, HPC, and AI/ML workloads.
  • Up to 64 high-performance Neoverse V3 cores per die.
  • Offers a highly customizable, high-performance memory subsystem.
  • Supports high-speed, low-latency AI accelerator attachment options.

Neoverse CSS N2

The market leading performance-per-watt of the Arm Neoverse N2 platform, delivered as a fully verified, customizable compute subsystem.
  • Up to 64 Neoverse N2 cores in a 5nm advanced process.
  • Up to 1MB L2 private cache per core and up to 64MB shared system-level cache.
  • Up to 8x DDR5 40b or LPDDR5 channels.
  • Up to 4x x16 PCIe/CXL Gen5 lanes.
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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Neoverse V3

Arm Neoverse V3 is the next-generation, TCO-optimized, confidential computing-enabled, high-performance CPU for the cloud, HPC, and AI.

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Neoverse N3

Performance-per-watt optimized for hyperscale, 5G, enterprise networking, and infrastructure-edge workloads.

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CMN S3

CMN S3 is Arm’s latest high-performance mesh interconnect, supporting the latest Neoverse CPUs, memory and I/O technologies, and die-to-die links for building next-generation infrastructure solutions.

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Neoverse N2


Our first Armv9 infrastructure CPU, Neoverse N2 offers best-in-class performance, efficiency, and compute density, while maintaining the cloud-native experience.

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Arm Cloud to Edge report - Arm Neoverse Enables Leading Cloud Performance and Cost Efficiency with AWS Graviton4

Independent Testing Confirms Arm Neoverse Cloud Advantage

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

Read Report
Resources

CSS Resources

Blogs

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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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