With its latest BiCS FLASHTM technology, Kioxia has achieved both vertical and lateral scaling of memory die through proprietary processes and innovative architectures. In addition, the company has implemented the groundbreaking CBA (CMOS directly Bonded to Array)(3) technology, which enables the creation of higher density devices and an industry-leading interface speed of 3.6Gbps(4). Together, these advanced technologies are applied in the creation of 2Tb QLC, resulting in the industry's highest capacity memory device.
The 2Tb QLC is equipped with a bit density approx. 2.3 times higher and a write power efficiency approx. 70 percent higher than Kioxia's current fifth-generation QLC device which is the highest capacity in Kioxia's products. With a 16-die stacked architecture in a single memory package, the latest QLC device achieves industry-leading 4TB (tera byte) of capacity. It is available with a smaller package size of 11.5 x 13.5mm and a package height of 1.5mm.
'We are pleased to be shipping samples of our new 2Tb QLC with the new eighth-generation BiCS FLASH technology,' said
In addition to the 2Tb QLC, Kioxia also added a 1Tb QLC memory devices to its portfolio. In comparison with the capacity-optimized 2Tb QLC, the performance-optimized 1Tb QLC offers approx. a 30 percent faster sequential write performance and approx. a 15 percent improvement in read latency. The 1Tb QLC will be deployed in high performance applications, including client SSD and mobile.
Kioxia will continue to develop industry-leading memory products in anticipation of growing demand for data storage solutions.
Notes
(1) These samples are for the functional check purpose and the specifications of these samples may differ from those in mass production.
(2) As of
(4) 1Gbps is calculated as 1,000,000,000bits/second. This value is obtained under specific Kioxia's test environment, and may vary depending on the user's conditions.
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.
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
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