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Samsung is about to make 4TB SSDs and mobile storage cheaper
A couple of years ago, Samsung launched its first 4TB solid state drives, which might as well not have existed given their $1,499 asking price. Today, the company announces the commencement of mass production of a more — though it's too early to know exactly how much more — affordable variant with its 4TB QLC SSDs. The knock on QLC NAND storage has traditionally been that it sacrifices speed for an increased density, however Samsung promises the same 540MBps read and 520MBps write speeds for its new SSDs as it offers on its existing SATA SSD drives.
Describing this new family of storage drives, which will also include 1TB and 2TB variants, as consumer class, Samsung will obviously aim to price them at a level where quibbles about performance will be overwhelmed by the sheer advantage of having terabytes of space. Any concerns about the reliability of these drives should also be allayed by the three-year warranty promised by Samsung. The launch of the first drives built around these new storage chips is slated for later this year.
What's the endurance of QLC NAND again?
Also at Engadget.
Related: Toshiba's 3D QLC NAND Could Reach 1000 P/E Cycles
Samsung Announces a 128 TB SSD With QLC NAND
Micron Launches First QLC NAND SSD
Western Digital Samples 96-Layer 3D QLC NAND with 1.33 Tb Per Die
(Score: 2) by takyon on Wednesday August 08 2018, @08:54PM
I think the big SSDs tend to use more energy than their smaller counterparts (due to more packages... compare to the M.2 [wikipedia.org] chewing gum-like form factors). However, when it comes down to a home user with an SSD, even a power-hungry SSD will probably use less energy than an HDD since it completes random operations very fast and is also faster at sequential access. So it ends up completing reads and transfers and going back to idling.
One recent advance has helped HDDs reduce power consumption somewhat: helium-filled drives. Which are apparently available to consumers [anandtech.com] these days.
Maybe multi-actuator technology [soylentnews.org] could also reduce power consumption in some scenarios.
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