Update 2/21: Adding power consumption figures for the PM1643 drive, new features. Samsung this week announced that it has started mass production of its PM1643-series SSDs. These are monstrous data storage devices, with up to 30.72 TB capacity each. The new drives use Samsung’s 64-layer 512Gb TLC V-NAND memory chips stacked in 1 TB packages. Later this year Samsung plans to expand the PM1643 lineup with SSDs featuring other capacities. Samsung’s PM1643 30.72 TB SSD is the company’s highest-capacity mass-produced drive to date. It is designed primarily for read-intensive workloads, and features an SAS-12 Gbps interface. Samsung rates its PM1643 for one DWPD (drive write per day) throughout five years, which indicates a very high endurance of roughly 56 PB for the drive. The choice of...

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