TOKYO--(Business Wire / Korea Newswire)--Kioxia Corporation, a world leader in memory solutions, today announced that it has begun sampling(1) the latest generation of its Universal Flash Storage(2) (UFS) Ver. 4.0 embedded flash memory devices. Supported in capacities of 256 gigabytes (GB), 512GB, and 1 terabyte (TB), the new products are well suited for a variety of next-generation mobile applications, including leading-edge smartphones.

Latest generation UFS Ver. 4.0 embedded flash memory devices (Graphic: Business Wire) The enhanced performance of the new UFS products provides optimal utilization of 5G connectivity, resulting in accelerated downloads, minimized latency, and an enhanced user experience. A smaller package size contributes to board space efficiency and design flexibility.

Key Features include:

· Read / write speed improvement over previous generation(3): approx. +15% sequential write, +50% random write and +30% random read.
· Package size reduction over previous generation(4): Package size is 9mm x 13mm and package thickness is 0.8mm (256GB and 512GB) and 0.9mm (1TB), resulting in an approx. 18% reduction compared to conventional package size (11mm x 13mm).

Kioxia was the first to introduce UFS technology(5), and continues to develop new products. The latest UFS Ver. 4.0 devices integrate the company’s innovative BiCS FLASH™ 3D flash memory and a controller in a JEDEC-standard package. UFS 4.0 incorporates MIPI M-PHY 5.0 and UniPro 2.0 and supports theoretical interface speeds of up to 23.2 gigabits per second (Gbps) per lane or 46.4 Gbps per device. UFS 4.0 is backward compatible with UFS 3.1.

Related Link:
UFS 4.0 - Designed for Next Generation Mobile Storage

Notes:
(1) Sample shipments of the 256GB and 512GB device began this month, with the 1TB device scheduled to follow after June 2024. Specification of the samples may differ from commercial products.

(2) Universal Flash Storage (UFS) is a product category for a class of embedded memory products built to the JEDEC UFS standard specification. Due to its serial interface, UFS supports full duplexing, which enables both concurrent reading and writing between the host processor and UFS device.

(3) Kioxia Corporation’s previous generation 512GB device No. “THGJFLT2E46BATP”.

(4) Compared to Kioxia previous generation UFS 4.0 product.

(5) Kioxia Corporation's first sample shipment, as of February 8, 2013.
https://www.kioxia.com/en-jp/business/news/2013/20130208-1.html

In every mention of a Kioxia product: Product density is identified based on the density of memory chip(s) within the Product, not the amount of memory capacity available for data storage by the end user. Consumer-usable capacity will be less due to overhead data areas, formatting, bad blocks, and other constraints, and may also vary based on the host device and application. For details, please refer to applicable product specifications. The definition of 1KB = 2^10 bytes = 1,024 bytes. The definition of 1Gb = 2^30 bits = 1,073,741,824 bits. The definition of 1GB = 2^30 bytes = 1,073,741,824 bytes. 1Tb = 2^40 bits = 1,099,511,627,776 bits.

1Gbps is calculated as 1,000,000,000 bits/s. Read and write speeds are the best values obtained in a specific test environment at Kioxia and Kioxia warrants neither read nor write speeds in individual devices. Read and write speed may vary depending on device used and file size read or written.

Company names, product names and service names may be trademarks of third-party companies.

About Kioxia

Kioxia is a world leader in memory solutions, dedicated to the development, production and sale of flash memory and solid-state drives (SSDs). In April 2017, its predecessor Toshiba Memory was spun off from Toshiba Corporation, the company that invented NAND flash memory in 1987. Kioxia is committed to uplifting the world with “memory” by offering products, services and systems that create choice for customers and memory-based value for society. Kioxia's innovative 3D flash memory technology, BiCS FLASH™, is shaping the future of storage in high-density applications, including advanced smartphones, PCs, SSDs, automotive and data centers.

Customer Inquiries:
Kioxia Group
Global Sales Offices
https://business.kioxia.com/en-jp/buy/global-sales.html

*Information in this document, including product prices and specifications, content of services and contact information, is correct on the date of the announcement but is subject to change without prior notice.

View source version on businesswire.com: https://www.businesswire.com/news/home/20240422614215/en/

Website: https://www.kioxia.com/en-jp/top.html View Korean version of this release Contact Kioxia Corporation
Sales Strategic Planning Division
Satoshi Shindo
+81-3-6478-2404
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