09 March 2016

Samsung Ships The "World's Largest" Hard Drive


  • Samsung unveiled its largest solid state drive(SSD) with 15.36 Terabytes.
  • Samsung's PM1633a with a size of a pocket, 6cm long.
  • Samsung Electronics, the world leader in advanced memory technology, announced that it is now shipping the industry’s largest solid state drive (SSD) – the “PM1633a,” a 15.36 terabyte (TB) drive.


Our need to store information are quite alarming and ever-increasing its demand for more storage capabilities — be it photos, music files, video games, or TV series. While some of us don't really care about storage especially in industry level. Data storage is one of the top priorities!

It might have a boring name but it targets enterprise level in need to manage a huge amount of data storage.


According to Sebastian Anthony at Ars Technica UK dated August 13, 2015, Samsung had to increase the density of its flash chips in order to squeeze so much capacity into a conventional 2.5-inch SSD:

The secret sauce behind Samsung’s 16TB SSD is the company’s new 256Gbit (32GB) NAND flash die; twice the capacity of 128Gbit NAND dies that were commercialised by various chip makers last year. To reach such an astonishing density, Samsung has managed to cram 48 layers of 3-bits-per-cell (TLC) 3D V-NAND into a single die. This is up from 24 layers in 2013, and then 36 layers in 2014.

Last March 03, 2016, Samsung Electronics announced its 15.36 TB SSD that is based on 12 Gb/s Serial Attached SCSI (SAS) interface.
“To satisfy an increasing market need for ultra-high-capacity SAS SSDs from leading enterprise storage system manufacturers, we are directing our best efforts toward meeting our customers’ SSD requests,” said Jung-bae Lee, Senior Vice President, Memory Product Planning and Application Engineering Team, Samsung Electronics. “We will continue to lead the industry with next-generation SSDs, using our advanced 3D V-NAND memory technology, in order to accelerate the growth of the premium memory market while delivering greater performance and efficiency to our customers.”
In technicality, 
The unprecedented 15.36TB of data storage on a single SSD is enabled by combining 512 of Samsung’s 256Gb V-NAND memory chips. The 256Gb dies are stacked in 16 layers to form a single 512GB package, with a total of 32 NAND flash packages in the 15.36TB drive. Utilizing Samsung’s 3rd generation, 256-gigabit (Gb) V-NAND technology which stacks cell-arrays in 48 layers, the PM1633a line-up provides significant performance and reliability upgrades from its predecessor, the PM1633, which used Samsung’s 2nd generation, 32-layer, 128Gb V-NAND memory.
It is supports 1 DWPD (drive writes per day), which means 15.36TB of data can be written every day on this single drive without failure, a level of reliability that will improve a cost of ownership for enterprise storage systems. 

Moreover, it can random read and write speeds of up to 200,000 and 32,000 IOPS respectively, and delivers sequential read and write speeds of up to 1,200MB/s.

Today, an enterprise-grade 1TB SSD will cost you about $1,000; an enterprise-grade helium-filled 8TB hard drive from HGST costs about $700. So expect for a higher-than-this price with Samsungs 16TB PM1633a.


Sources: [1] [2][3]
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