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OAM (Open Accelerator Module)

The Open Accelerator Module (OAM) is an OCP standard for accelerator-module form factor and interconnect, enabling multi-vendor accelerator support inside common server platforms. It is part of the OCP Open Accelerator Infrastructure (OAI) sub-project.

Seen in

• sources/2024-10-15-meta-metas-open-ai-hardware-vision — named as part of the long-standing Meta × Microsoft OCP collaboration: "Over the years together, we've contributed to key initiatives such as the Open Accelerator Module (OAM) standard and SSD standardization, showcasing our shared commitment to advancing open innovation."

Why it matters

• Multi-accelerator precondition. OAM is the standard that makes Meta's 2024-10 Grand-Teton-MI300X extension feasible without a bespoke AMD-only platform — Grand Teton's accelerator-module bay is OAM-shaped.
• Canonical Meta × Microsoft OCP collaboration, alongside SAI. Together with SAI (2018) and Mount Diablo (2024), forms the Meta-Microsoft OCP lineage.

Related

• systems/grand-teton — the platform hosting OAM-compliant accelerator modules.
• systems/amd-instinct-mi300x — OAM-compliant AMD accelerator.
• systems/nvidia-h100 — NVIDIA-SXM variant, alternate OAM module.
• patterns/modular-rack-for-multi-accelerator — the platform-level pattern OAM enables.
• patterns/co-design-with-ocp-partners — the collaboration pattern.
• companies/meta.