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Samsung's ultra-large-capacity SAS solid-state drive is put into mass production, up to 30.72 TB

Samsung said that this hard drive is developed for the next generation of enterprise storage systems. It uses Samsung's latest V-NAND technology, which combines 32 1TB NAND Flash memories; and each NAND Flash memory uses 16 V-NAND chip stacks. As a result, this hard drive can store 5,700 5GB high-definition movies, and its size is only 2.5 inches.


In addition to the increase in capacity, the transmission performance of PM1643 has also been significantly improved, which is almost twice that of Samsung's previous generation of super-capacity SAS solid-state drives. Based on the 12Gb/s SAS interface, the random read speed and write speed of the PM1643 disk have reached 40000 IOPS and 50000 IOPS respectively, and the continuous read speed reached 2100MB/s and 1700 MB/s; the random read performance is the traditional 2.5-inch SATA 4 times of SSD, and continuous read performance is 3 times of the former.


In order to achieve the above results, Samsung has made efforts in the design of controllers, DRAM packaging and collaborative software.


Among them, PM1643 adopts an efficient controller architecture, which packs 9 controllers used in the previous generation of large-capacity solid state drives into one; in addition, it also uses Through Silicon Via (TSV) technology, which can interconnect multiple 8Gb DDR4 chips, creating a total of 10 4GB TSV DRAM packages, totaling 40GB of DRAM. This is the first time that TSV-DRAM technology has been applied to solid state drives. Of course, in terms of software, this solid state drive also provides functions such as data recovery and power failure protection.


Samsung started the initial mass production of this 30.72TB SSD in January this year, and will expand the product line to 15.36TB, 7.68TB, 3.84TB, 1.92TB, 960GB, 800GB and other versions later this year.

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  1. DevidNovember 24, 2022 at 9:32 AM

    HI dear,
    You shared very good information about Solid State Drive. Today HDDs form an integral part of the computer systems, with their dependability and portability enhanced by the arrival of portable HDDS or Extended Memory, as they are called sometimes. The storage capacity of the HDDs has progressed from MBs and GBs into Terabytes. But the quest for more efficient and stable devices went on and on. The result is the arrival of the SSD or Solid State Drive. Solid state drives have several advantages over the magnetic hard drives. The majority of this comes from the fact that the drive does not have any moving parts. While a traditional drive has drive motors to spin up the magnetic platters and the drive heads, all the storage on a solid state drive is handled by flash memory chips. This provides three distinct advantages like, Less Power Usage, Faster Data Access and Higher Reliability. A few months ago, I have purchased Samsung MZ7LH7T6HMLA-00005 7.68Tb Solid State Drive for my PC from ESAI TECH at an affordable price.

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