Micron has begun shipping 176-layer QLC NAND flash SSDs. New items provide read speed up to 4500 MB / s. The company says the Micron 2400 drives are the first in the industry to use 176-layer QLC chips.
Micron launched 176-layer MLC chips at the end of 2020, but the introduction of a similar technology in the production of QLC memory will make it possible to offer large-capacity SSDs at a more affordable price. The new Micron 2400 PCIe 4.0 NVMe SSDs are already shipping to consumer PC makers, so users will soon be able to experience the new products firsthand.
Notably, Micron offers its customers the 2400, including a tiny 22x30mm M.2 form factor. The novelty is one of the smallest among the existing 2 TB drives. The Micron 2400 will also be available in 22x42mm and 22x80mm form factors.
Compared to the Micron’s 96-layer QLCs, their 176-layer successors offer 33% more I / O bandwidth and 24% less read latency. In terms of storage capacity, the Micron 2400 will be available in 512GB, 1TB and 2TB versions. Models with the maximum capacity will provide sequential read and write performance of 4500 MB / s and 4000 MB / s, respectively. IOPS (input / output operations per second) reaches 650 thousand for random reads and 700 thousand for random writes.
In terms of resource, Micron lists up to 600TB of recording for a 2TB drive. For the 512 GB model, the write resource is declared at 150 TB. The power consumption of the new products in idle mode has been reduced by 50% compared to the previous generation.
It should be understood that SSDs with 176-layer QLC chips are aimed primarily at the budget segment. Their performance is far from the fastest consumer storage devices, which can reach speeds of 7000 MB / s. However, such a gap in speed should be more than offset by the cost of new products.
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