This paper argues that by 2028, nearly all new enterprise data-center storage will be all-flash, driven by advances in QLC NAND and Pure’s DirectFlash technology. It shows how large-capacity DFMs dramatically reduce device counts, rack space, power use, and carbon impact while delivering far higher reliability and efficiency than HDDs. A table on page 1 compares system footprints, showing FlashArray//E requiring over 80% fewer devices than HDD or SSD-based alternatives to achieve the same capacity. The summary stresses evaluating cost per effective gigabyte—not raw capacity—since flash enables higher utilization, better data reduction, and lower operational overhead. Evergreen Architecture extends system lifespan beyond a decade with non-disruptive upgrades, eliminating repeated forklift r

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