Shulou(Shulou.com)11/24 Report--

According to CTOnews.com news on December 5, Western Digital held a Western Digital Automotive Technology Forum 2022 with the theme of "data Storage enabling the Future" on November 30, and launched two types of specification-level storage iNAND EU321 / EM132.

According to reports, the development of in-car flash memory technology has many similarities with smartphones. Because the early stage is to meet the use of music players and navigation maps, the performance requirements are not high. At the initial stage, EFD (embedded flash drive) with eMMC interface is used internally, and SD or microSD cards are used as storage media externally. But now there has been a transition to a faster UFS interface EFD, which supports full-duplex transmission, can effectively reduce the delay of reading and writing data, and has higher bandwidth. in the latest UFS v4.02L standard in 2022, its bandwidth has been increased to 5.8GB / s.

CTOnews.com learned that Western Digital has launched iNAND EU321 and EM132, and has planned a specification-level SSD based on the NVMe interface to meet future needs.

The EU321 is Western Digital's first generation of gauge-grade UFS EFD products, using 96-layer 3D NAND technology and Western Digital iNAND SmartSLC 5.1architecture with a capacity of 16-256GB, reading speeds up to 800MB/s, writing speeds up to 550MB/s, random reading and writing IOPS up to 50pm 52k and operating temperatures are available to meet two automotive specifications, Class 3 (- 40 °C to + 85 °C) and Class 2 (- 40 °C to + 105 °C).

The EM132 is a car-grade embedded eMMC storage device built with 64 layers of BiCS3 3D TLC NAND flash memory with a capacity of 16-256GB and a reading speed of up to 310 MB/s. The industrial version operates from-25 °C to 85 °C, while the extended version can withstand-40 °C to 85 °C.

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