NVIDIA & Arm have strengthened their partnership with the announcement of NVLink Fusion support for Neoverse AI data center platforms.
NVIDIA NVLink Fusion Now Available on Arm Neoverse AI Data Centers, Accelerating AI With More Bandwidth & Inter-Chip Coherency
NVIDIA Press Release: AI is reshaping data centers in a once-in-a-generation architectural shift, where efficiency per watt defines success. At the center is Arm Neoverse, deployed in over a billion cores and projected to reach 50% hyperscaler market share by 2025. Every major provider — AWS, Google, Microsoft, Oracle, and Meta — is building on Neoverse, underscoring its role in powering AI at scale.
To meet surging demand, Arm is extending Neoverse with NVIDIA NVLink Fusion, the high-bandwidth, coherent interconnect first pioneered with Grace Blackwell. NVLink Fusion links CPUs, GPUs, and accelerators into one unified rack-scale architecture, removing memory and bandwidth bottlenecks that limit AI performance. Connected with Arm’s AMBA CHI C2C protocol, it ensures seamless data movement between Arm-based CPUs and partners’ preferred accelerators.
Together, Arm and NVIDIA are setting a new standard for AI infrastructure, enabling ecosystem partners to build differentiated, energy-efficient systems that accelerate innovation across the AI era.
“Folks building their own ARM CPU, or using an Arm IP, can actually have access to NVLink Fusion, be able to connect that ARM CPU to an Nvidia GPU or to the rest of the NVLink ecosystem, and that’s happening at the racks and scale-up infrastructure,” said Buck.
Arm Press Release: Two years ago, Arm and NVIDIA achieved an industry first with the NVIDIA Grace Hopper platform and NVIDIA NVLink, delivering coherent CPU–GPU integration that redefined high-performance computing. To continue innovating at this pace, the ecosystem needs choice and flexibility — and NVLink Fusion gives partners the ability to connect Arm-based compute with their preferred accelerators through a coherent, high-bandwidth interface.
The strong momentum and sustained customer demand for Grace Blackwell are now fueling the expansion of NVLink Fusion across the full Neoverse ecosystem, enabling partners to build differentiated, energy-efficient AI systems on Arm that meet the performance and scalability demands of the AI era.
Ecosystem partners are adopting NVLink Fusion to remove memory and bandwidth bottlenecks that limit AI system performance. NVIDIA NVLink Fusion was built to interface with AMBA CHI C2C (Coherent Hub Interface Chip-to-Chip) — a technology invented by Arm that provides the critical protocol definition for a coherent, high-bandwidth connection between CPUs and accelerators.
Building on this foundation, Arm is enabling the Neoverse platform with the latest edition of the AMBA CHI C2C protocol — ensuring C2C compatibility with NVIDIA NVLink Fusion — so that Neoverse-based SoCs can move data seamlessly between Arm-based CPUs and partners’ preferred accelerators. The result is quicker integration, faster time to market, higher-bandwidth accelerated compute, and greater flexibility for ecosystem partners building next-generation AI systems.
The Arm–NVIDIA partnership continues to grow, driving new levels of co-design and collaboration that deliver intelligence per watt, shaping the architecture of the AI era.
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