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MTIA 300: Meta’s First Training Chip with Built-in NICs and Communication-Offloading Engines

MTIA 300 is the first of Meta’s family of in-house training and inference accelerators optimized for training ranking and recommendation models. We’re sharing how MTIA 300’s built-in NIC chiplets allow it to meet the communication needs associated with training recommendation models with superior…

By Rajiv Krishnamurthy, Wes BlandMeta Engineering
MTIA 300: Meta’s First Training Chip with Built-in NICs and Communication-Offloading Engines

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Originally published by Meta Engineering on Aug 24, 2026.

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