News SK hynix announces production of its 321-layer NAND flash — shipments will start in the first half of 2025

[Admin]

SK Hynix has announced mass production of the world's first purported 321-layer NAND flash.

SK hynix announces production of its 321-layer NAND flash — shipments will start in the first half of 2025 : Read more

 

[Mama Changa]

1TB in possibly 6-9 months, whoopty doo. No one literally gives a toss about 1TB now, that is the new 256GB. If it's not releasing in 4TB at least then zero effs given how mahy layers it's got unless random performance finally gets close to Optane.

 

[usertests]

1TB in possibly 6-9 months, whoopty doo. No one literally gives a toss about 1TB now, that is the new 256GB. If it's not releasing in 4TB at least then zero effs given how mahy layers it's got unless random performance finally gets close to Optane.

The article is incorrect. It's actually 1/8th of that, 1 Tb:

the company will supply customers with its 321-high NAND flash featuring 1TB capacity starting in 1H 2025.

SK hynix Inc. announced today that it has started mass production of the world’s first triple level cell-based 321-high 4D NAND Flash with 1Tb capacity.

1 Tb NAND dies get stacked into larger packages, such as 1 TB. They might be able to stack 16 of them to make a 2 TB package.

While 1 Tb is not an interesting number, the new 321-layer die is likely to be smaller and cheaper than what it replaced. Unless you need a small flash drive with only one package, your SSD is probably going to get more than one package. We are probably close to 16 TB M.2 2280 being viable for consumers, but the cost is a bigger issue than density.

One of the more interesting things from this older press release is Multi-Site Cell (MSC). They are claiming they can make HLC (6 bits-per-cell) with the performance and characteristics of TLC (3 bits-per-cell). Big if true:

Overcoming Stacking Limitations With SK hynix's 4D NAND Tech

This final episode in the Tech Pathfinder series will introduce SK hynix’s advanced 4D NAND technologies.

news.skhynix.com

 

[DavidLejdar]

May not sound much for casual desktop users these days. In terms of i.e. smartphones though, with still somewhat increasing resolutions of photos/ videos (meaning increased file sizes, due to more pixels), it is quite a thing.

And the market is not small, with more than one billion smartphones having been shipped and sold yearly for years, talking around half a trillion revenue. So, a lot of supply needs there, with quality demands.