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SpaceX develops Kessel, a custom Vera Rubin NVL72 rack with a passive midplane

1 article1 sourcesince Nov 10Last article

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SpaceX is developing Kessel, a custom Vera Rubin NVL72 rack, according to SemiAnalysis.

The design replaces the internal NVLink cable cartridges with a passive PCB midplane while keeping the Oberon layout of 72 GPU packages, 18 compute trays and 9 switch trays, rearranged back-to-back around the board. SemiAnalysis says Kessel has a smaller scale-up domain than Kyber and is intended for both terrestrial and orbital deployment.

Written by AI from the articles below · updated Nov 10, 10:33 PM ET

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Latest developmentNov 10, 10:03 PM ET
SpaceX develops Kessel, a Vera Rubin NVL72 rack with a passive midplane

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Nov 10
  1. SemiAnalysisX
    SpaceX develops Kessel, a Vera Rubin NVL72 rack with a passive midplane

    AISpaceX is developing Kessel, a custom Vera Rubin NVL72 rack that replaces internal NVLink cable cartridges with a passive PCB midplane. It keeps Oberon's 72 GPU packages, 18 compute trays and 9 switch trays, rearranged back-to-back around the board, with a smaller scale-up domain than Kyber. The design is intended for both terrestrial and orbital deployment.

    Image from @SemiAnalysis_'s post

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