ChipsTechRadarabout 1 hour ago
Nvidia quietly cuts Rubin bandwidth targets
6 min read
Nvidia quietly lowered Vera Rubin bandwidth targets after reports surfaced in September 2026. Per-GPU HBM4 bandwidth drops from 22 TB/s to 19.2 TB/s, while NVLink 6 falls from 3.6 TB/s to 3 TB/s. The changes affect the HGX Rubin NVL8 and Superchip configurations without a press release, suggesting Nvidia prioritizes delivery over chasing elusive memory goals.
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