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  "notes": "This slide serves as a rebuttal to Solidigm's analysis, specifically challenging their assumptions on HDD/SSD reliability and cost-per-TB.",
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      "text": "Drive Lifespan: SSD suppliers frequently suggest that the mechanical nature of HDDs results in dramatically higher drive failure rates.",
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      "text": "Unit Costs: Solidigm notes that in Seagate's recent FQ4 2025, the company generated just over $13/TB for mass capacity drives.",
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      "text": "Space: The lower density of HDDs relative to SSDs means that more chassis, racks, and physical space is required to accommodate a given capacity.",
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      "text": "the focus hardware. For modern data centers, this metric is often assumed to range from 1.2x to 1.4x for newer facilities, so we are conservative on a metric that penalizes HDDs.",
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