Focusing on SSDs seems reasonable. Rotational disks are on their way out. For example, Samsung recently introduced a 15TB SSD[1], able to compete even with the

Focusing on SSDs seems reasonable. Rotational disks are on their way out. For example, Samsung recently introduced a 15TB SSD[1], able to compete even with the largest rotational disks. [1] https://news.samsung.com/global/samsung-now-introducing-worlds-largest-capacity-15-36tb-ssd-for-enterprise-storage-systems https://news.samsung.com/global/samsung-now-introducing-worl...