KIOXIA Introduces QLC UFS 4.1 Embedded Flash Memory Devices
KIOXIA America, Inc. today announced that it has begun sampling new Universal Flash Storage (UFS) Ver. 4.1 embedded memory devices with 4-bit-per-cell, quadruple-level cell (QLC) technology. Designed for read-intensive applications and high-capacity storage needs, the new devices are powered by KIOXIA’s 8th generation BiCS FLASHTM 3D flash memory technology.
QLC UFS offers a higher bit density than traditional TLC UFS, making it suitable for mobile applications that require higher storage capacities. Advancements in controller technology and error correction have enabled QLC technology to achieve this while maintaining competitive performance.
Building on these advancements, the new Kioxia devices achieve substantial performance increases. KIOXIA’s QLC UFS boosts sequential write speeds by 25%, random read speeds by 90%, and random write speeds by 95% compared to the previous generation (UFS 4.0/BiCS6 QLC UFS). Write Amplification Factor (WAF) is also improved by up to 3.5x (with WriteBooster disabled).
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