UALink Consortium Releases Updated GPU Interconnect Specification
The UALink Consortium published version 2.0 of its GPU interconnect specifications on April 7, 2026, introducing a 200G Data Link/Physical Layer, split workstreams for protocol and transport, in-network compute support, manageability APIs, and a chiplet spec. The group says silicon for its 1.0 spec will reach labs in H2 2026, with products arriving in 2027, while version 3.0 targets parity with Nvidia. The specs aim to offer an open alternative to Nvidia's NVLink/NVSwitch.
Scoring Rationale
Official consortium release with industry-wide scope and clear specifications boosts relevance and credibility. Score tempered slightly because silicon availability is months away and full parity is expected only with version 3.0 next year.
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Sources
- Read OriginalUALink delivers 2.0 spec before v. 1.0 silicon shipstheregister.com
