Kioxia Samples Next-Gen UFS 5.0 Flash Memory for Mobile Devices

New high-speed, high-capacity embedded flash memory targets advanced smartphone features like on-device AI.

Published on Feb. 24, 2026

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Kioxia has begun shipping evaluation samples of its new UFS 5.0 embedded flash memory devices, designed for next-generation mobile applications. The UFS 5.0 standard utilizes MIPI M-PHY version 6.0 and UniPro version 3.0 to enable interface speeds up to 46.6 Gbps per lane, allowing for up to 10.8 GB/s of effective read/write performance.

Why it matters

The new UFS 5.0 standard is aimed at meeting the performance demands of high-end smartphones with advanced on-device AI capabilities. Kioxia's early sampling of these new flash memory solutions will help chipset vendors accelerate the development and validation of future mobile devices.

The details

Kioxia's UFS 5.0 evaluation samples incorporate a new in-house controller and the company's latest BiCS FLASH generation 8 3D flash memory. The packages have been redesigned to a compact 7.5 x 13 mm size to improve board space efficiency. The samples support capacities of 512 GB and 1 TB, with shipments of the 512 GB version starting on February 24 and the 1 TB version scheduled for March.

  • Kioxia began shipping 512 GB UFS 5.0 evaluation samples on February 24, 2026.
  • Shipments of 1 TB UFS 5.0 evaluation samples are scheduled to start in March 2026.

The players

Kioxia America, Inc.

The U.S.-based subsidiary of Kioxia Corporation, a leading worldwide supplier of flash memory and solid-state drives (SSDs).

Maitry Dholakia

Vice president of the Memory Business Unit at KIOXIA America, Inc.

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What they’re saying

“Kioxia continues to drive innovation in embedded flash memory with the development of UFS 5.0 solutions designed for next-generation mobile applications.”

— Maitry Dholakia, Vice president, Memory Business Unit (KIOXIA America, Inc.)

What’s next

Kioxia will continue to introduce new flash memory technologies into its UFS products to meet the increasing demands for larger capacity and higher performance in the mobile market.

The takeaway

Kioxia's early sampling of high-speed, high-capacity UFS 5.0 embedded flash memory solutions will help mobile device manufacturers accelerate the development of next-generation smartphones with advanced features like on-device AI.