Samsung claims that the PM1643 is the world's largest SSD (they're probably not counting Seagate's 60TB SSD, as it still hasn't shipped) and makes use of 64-layer, 3-bit 512-gigabit chips using V-NAND technology.
Production of the 30.72 TB SSD kicked off last month, though Samsung plans to add to the family later in 2018.
Not only has the new Samsung drive dramatically increased in capacity, its performance has improved significantly as well.
The PM1643 is built with a combination of 32 sticks of 1TB NAND flash packages, each of which comprises 16 stacked layers of 512Gb V-NAND chips.
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This is thanks to Samsung, which announced on Monday it will start mass producing the largest capacity SCSI SSD. It has a 12GBps SAS interface and features random read and write speeds of up to 400,000 IOPS and 50,000 IOPS, along with sequential read and write speeds of up to 2,100MB/s and 1,700 MB/s, respectively. It also offers impressive sequential read and write speeds of up to 2,100MBps and 1,700MBps respectively. Samsung touts that this is four-times the read speed and three-times the write speed of a typical 2.5-inch SATA SSD. Jaesoo Han, executive vice president of Samsung's Memory Sales and Marketing Team commented that, "Samsung will continue to move aggressively in meeting the shifting demand toward SSDs over 10TB", which is good news for everyone.
Samsung was able to achieve this new level of capacity and performance through several technology improvements with its in-house controller, DRAM packaging, and associated software.
The new SSD also gets a new control architecture that combines nine controllers from the previous high-capacity SSD range in a single package. It should be noted that this is the first time that Samsung used TSV-applied DRAM in an SSD. The device is quite robust too, with an endurance level of one full drive write per day. "The PM1643 also offers a mean time between failures (MTBF) of two million hours", the press statement reads. The prime target for these versions includes various market segments such as the government, financial services, healthcare, education, oil and gas, pharmaceutical, social media, business services, retail, and communications sectors.