IT News - Storage
2019 Nov 3
Multi-Layer SSDs: What Are SLC, MLC, TLC, QLC, and PLC?
How-To Geek, October 25th, 2019

"But, when you shop for one, you're bombarded with terms, like SLC, SATA III, NVMe, and M.2. What does it all mean?" asks Ian Paul in How-To Geek.

"Let's take a look! It's All About the Cells

Current SSDs use NAND flash storage, the building blocks of which is the memory cell. These are the base units onto which data is written in an SSD. Each memory cell accepts a certain amount of bits, which are registered on the storage device as 1 or 0..."
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2019 Nov 3
Micron Pulls No Punches, Claims 'World's Fastest SSD'
eWeek, October 24th, 2019

Chris Preimesberger writes in eWeek, "Data memory device and processor maker Micron Technology issued a lot of news Oct. 24, making five major announcements at its international Insight 2019 conference here at Pier 27 on the waterfront.

The news included the following:

  • Micron's first commercial product built on the 3D XPoint nonvolatile memory technology, originally developed in cooperation with Intel. This would be what Micron unabashedly calls 'the world's fastest SSD (solid-state disk),' the X100 SSD.

... read on for details."
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2019 Nov 3
How the Latest NVMe Specs Make Flash Storage in the Data Center Better
Data Center Knowledge, October 24th, 2019

"As is typical for most new technologies, enterprises have been slow to adopt the latest versions of the NVMe specs, with hyperscale cloud platforms responsible for much of the adoption to date. But enterprises are starting to catch on," notes Mary Branscombe in Data Center Knowledge.

"NVMe 1.4, released in July, includes hyperscale features for isolation, predictable latency, and write amplification. But the higher performance and lower system requirements of NVMe as the interconnect for flash drives and arrays are driving acceleration of the spec's use in the enterprise, with NVMe shipments (measured by gigabytes) predicted to exceed combined SAS and SATA this year..."
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