Kioxia Begins Sampling UFS 5.0 Flash Memory for AI-Powered Smartphones
Event summary
- Kioxia started shipping evaluation samples of UFS 5.0 embedded flash memory on February 24, 2026, with 1TB samples following in March.
- UFS 5.0 supports up to 10.8GB/s read/write performance using MIPI M-PHY 6.0 and UniPro 3.0.
- Samples feature a new in-house controller and BiCS FLASH generation 8 3D flash memory in 512GB and 1TB capacities.
- Devices are being provided to chipset vendors for performance evaluation and interoperability testing.
The big picture
Kioxia's UFS 5.0 sampling represents a strategic push to dominate the embedded flash memory market for AI-enhanced mobile devices. As smartphones increasingly rely on on-device AI processing, the demand for high-speed, high-capacity storage solutions is growing. This move positions Kioxia to capture market share in the evolving mobile storage landscape, particularly as competitors race to develop similar high-performance solutions.
What we're watching
- Adoption Pace
- How quickly smartphone manufacturers will integrate UFS 5.0 into next-generation devices.
- Performance Validation
- Whether the theoretical 10.8GB/s performance will be achieved in real-world applications.
- Market Differentiation
- The extent to which UFS 5.0 will become a standard for AI-powered smartphones.
Related topics