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Samsung PM1633a is world's largest SSD

Samsung PM1633a 15.36 TB enterprise SSD
Samsung PM1633a
With a capacity of 15.36 TB, this drive aimed at enterprise customers uses the 12 Gb/s SAS interface and offers read and write speeds of up to 1,200 MB/s.
Codrut Nistor,
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Samsung revealed the huge PM1633a solid state drive for the enterprise back in August 2015, during the Flash Memory Summit event. Now, this 15.36 TB SAS drive has finally begun shipping.

Samsung PM1633a is built using no less than 512 256 Gb V-NAND memory chips, which are stacked in 16 layers to form a single 512 GB package. The whole 2.5-inch drive uses a total of 32 such NAND packages. Its predecessor, namely Samsung PM1633, used 128 Gb V-NAND memory. The PM1633 used second generation 32-layer V-NAND memory, while the third generation technology employed by the PM1633a allows up to 48 layers, thus providing improved performance and reliability.

The performance of the PM1633a is impressive, reaching up to 200k IOPS read and 32k IOPS write speeds, as well as transfer speeds of up to 1,200 MB/s. In terms of reliability, the drive supports 1 DWPD (drive writes per day), two to ten times as much as most SATA SSDs that use planar MLC and TLC NAND flash memory.

Later this year, Samsung will also provide smaller variants of the PM1633a, going all the way down to 480 GB.

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Codrut Nistor
Codrut Nistor - Senior Tech Writer - 5436 articles published on Notebookcheck since 2013
In my early school days, I hated writing and having to make up stories. A decade later, I started to enjoy it. Since then, I published a few offline articles and then I moved to the online space, where I contributed to major websites that are still present online as of 2021 such as Softpedia, Brothersoft, Download3000, but I also wrote for multiple blogs that have disappeared over the years. I've been riding with the Notebookcheck crew since 2013 and I am not planning to leave it anytime soon. In love with good mechanical keyboards, vinyl and tape sound, but also smartphones, streaming services, and digital art.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2016 03 > Samsung PM1633a is world's largest SSD
Codrut Nistor, 2016-03- 3 (Update: 2016-03- 3)