It has been on its way for a while, but now it’s here. Samsung announces the launch of an 800GB Z-SSD. The new SZ985 Z-SSD is one of the most advanced SSDs to date, but it isn’t for the home-user. The drive will power HPC and AI applications. Ultra-low latency and a high reliability are key factors here.
“With our leading-edge 800GB Z-SSD, we expect to contribute significantly to market introductions of next-generation supercomputing systems in the near future, enabling improved IT investment efficiency and exceptional performance,” said Jinman Han, senior vice president, Memory Product Planning & Application Engineering at Samsung Electronics. “We will continue to develop next-generation Z-SSDs with higher density and greater product competitiveness, in order to lead the industry in accelerating growth of the premium SSD market.”
Besides this new 800GB version, there’s also a 240GB version. The difference is clear and it comes down to how much storage you need and how you’re going to utilise the drive. It is a highly efficient storage solution for high-speed cache data and log data processing and other enterprise storage applications.
The new single port, four-lane Z-SSD features Z-NAND chips that provide 10 times higher cell read performance when compared with 3-bit V-NAND chips. Along with the NAND are 1.5GB LPDDR4 DRAM and a high-performance controller.
You can expect a random read performance of up to 750K which puts it in a category with Intel and Micron’s 3D XPoint NAND. However, the write performance isn’t nearly the same. The Samsung Z-SSD can deliver a random write speed of up to 170K IOPS. Now that isn’t bad at all, but it isn’t near 3D XPoint. With a write latency of just 16 microseconds, the Z-SSD won’t have to search for long either.
Due to its high reliability, the 800GB Z-SSD guarantees up to 30 drive writes per day (DWPD) for five years. Now that’s a lot. In other words, it would be a total of 42 petabytes. That translates into storing a total of about 8.4 million 5GB-equivalent full-HD movies during a five-year period. The reliability of the new Z-SSD is further underscored by a mean time between failures (MTBF) of two million hours.
11 months ago was when we heard about the Z-SSD and we got excited. For reference, here’s the original video.
Samsung didn’t reveal a price at this time.
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