According to Huoxing Finance, SemiAnalysis reported that the Nvidia Rubin Ultra will feature 192GB of HBM4 8-hi memory. This represents a significant reduction from the initially previewed 1TB of HBM and even falls below the 288GB capacity of the standard Rubin variant. The HBM configuration has been reduced to approximately one-fifth of the original due to several factors: the cancellation of the four-die Rubin Ultra design, reducing the number of cubes to eight; lowering the stacking height from 16-hi to 8-hi; and using HBM4 with 24Gb dies instead of HBM4E with 32Gb dies. An upgraded 8-hi HBM4E version may be released later.
Nvidia Rubin Ultra to Feature 192GB HBM4, Downgraded from Initial 1TB
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Summary
Nvidia Rubin Ultra will now feature 192GB of HBM4 8-high memory, a significant reduction from the original 1TB HBM plan. This crypto news update reveals that the final specification is even lower than the standard Rubin model’s 288GB. The change results from the cancellation of the four-die design, a reduction in cube count to eight, and a shift to 24Gb die HBM4. An 8-high HBM4E version may follow. This cryptocurrency news highlights key hardware adjustments in the latest AI chip lineup.
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