Micron begins shipping its 176-layer QLC SSD, available in a small form factor with 2TB of storage

What just happened? Micron has started volume shipments of the world’s first 176-layer Quadruple Celled NAND (QLC) SSD, which it says delivers industry-leading storage density and optimized performance. The technology is used in the Micron 2400 SSD which is available in a small 22mm x 30mm drive with a capacity of 2TB and sequential read speeds of 4500Mbps.

In November 2020, Micron began marketing the world’s first 176-layer 3D NAND flash memory. The company said it expects the technology to find its way into industries such as autonomous vehicles, in-car infotainment systems and mobile storage, as well as client / data center SSDs.

176-layer 3D NAND is now expedition in Micron’s 2400 Series QLC Gen4 SSD, which the company claims offers 33% higher I / O speeds and 24% lower read latency than its previous generation drive with the technology 96 layers.

By choosing the drive with the highest capacity, you will get sequential read speeds of 4500 Mbps and sequential writes of 4000 Mbps. Random reads / writes, on the other hand, are 650K and 700K IOPS, respectively.

Micron offers the M.2 drive in three different formats: the familiar 22x80mm, 22x42mm, and a tiny 22x30mm, all in capacities of 512GB, 1TB, and 2TB.

The drive offers 600 terabytes written (TBW) endurance for the 2TB version, while the 512GB capacity model is 150 TBW. Micron adds that the larger capacity drive offers idle power consumption of less than 150 milliwatts, a reduction of about 50% compared to previous generation QLC SSDs. It meets the requirements of Intel’s Project Athena, which requires more than nine hours of actual battery life on laptops, even those using high-definition displays.

Micron says the reader is designed for client applications, such as budget desktops and laptops. These speeds are a far cry from the 7000Mbps we see in the best Gen 4 SSDs, but the Micron 2400 SSD should offer great value for the available capacities, and the 22mm x 30mm model should allow for options of larger storage on the smallest of laptops.


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