AMD originally stated the Helion rack would ship in the first half of 2027, but it has revised the release timeline to November 2026.
Helion Rack Architecture
AMD is expanding its data center ecosystem with Helion, a standardized 21-inch rack reference design that complements the Helios rack revealed at the OCP Global Summit. Helion can house up to 32,768 Zen 6 cores in a CPU-only deployment using the dense 256-core configuration available with the EPYC Venice 9996 processor.
The rack design follows the Open Compute Project's ORv4 specification, which is slightly wider and taller than standard IT racks. Helion supports 44 OpenU trays measuring 21 inches wide and 48mm tall. The reference architecture accommodates both air-cooled and direct liquid-cooled deployments.
The hardware is compliant with the OCP Data Center Modular Hardware System standard, which promotes interoperability across data center, edge, and enterprise infrastructure.
Ecosystem and Deployment
Because this is a reference design contributed to the OCP rather than a manufactured product, OEMs and ODMs will bring commercial implementations to market.
While specific deployment partners were not detailed initially, adoption is expected among traditional Helios enterprise customers.
CPU-Only and Hybrid Configurations
Unlike Helios, which targets AI training and inference, Helion focuses primarily on CPU flexibility. A CPU-only deployment holds up to 128 EPYC 9996 processors to achieve the 32,768 core count per rack. This setup is suited for agentic AI sandbox systems linked to separate inference architectures.
This modular personal AI agent model reflects current industry implementations, where user sandboxes process lighter workloads like software building on host CPUs while heavy inference runs elsewhere.
The architecture remains flexible, supporting up to 16 MI350P GPUs and 102 Tbps of networking capacity in exchange for reduced CPU density. This hybrid configuration provides enterprises with an all-in-one rack for data management, networking, and localized AI operations.
The Helion rack systems are scheduled to arrive beginning in late 2026, aligning with the broader ramp-up of Zen 6 deployments.
