New Product Introduction

Western Digital iNAND® AT EM122 - Embedded Flash Drive

The iNAND® AT EM122 is an automotive grade embedded NAND flash storage device from Western Digital that offers reliable edge storage in a connected world.

Western Digital iNAND® 7250A product image

The iNAND® AT EM122 is Western Digital’s high-reliability, automotive grade embedded storage drive that supports the e.MMC 5.1 HS400 interface. The product is available in capacities of 8GB, 16GB, 32GB and 64GB, and is available with a qualified ambient temperature ranges of -40oC to +105oC, with a typical sequential speed performance of up to 300MB/s for reads and 110MB/s for writes. This product also supports many advanced automotive features.

The iNAND AT EM122 is specifically focused on the automotive market, addressing the evolving needs of traditional applications like IVI and Telematics, and next generation applications in driver assist. The device is equipped with advanced memory management firmware features, including enterprise-grade ECC, wear-leveling and bad block management. In addition, the automotive feature set improves data reliability and product life. The iNAND AT EM122 also supports 3.3V IO for legacy designs and is therefore suitable for upgrading legacy systems.

All Western Digital automotive grade products undergo extensive qualification and production testing, adhering to automotive standards such as AEC-Q100. The automotive products comprise a long-term, stable roadmap, reducing the complexity and number of qualification cycles that a manufacturer may need to perform.


  • Advanced health status report
  • Automatic and manual data refresh
  • Smart partitioning
  • RPMB and Boot partition resize
  • Flexible EUDA
  • Fast boot mode
  • Enterprise class ECC engine
  • Low power consumption
  • Advanced power protection


  • Navigation/Infotainment Systems
  • Advanced Driver Assist Systems (ADAS)
  • HD Mapping
  • V2V/V2I Communications
  • Digital Clusters
  • Event/Drive Recorders
  • Autonomous Drive Systems
  • Telematics and Over-the-Air Update

Related documents

Western Digital


The Industrial iNAND 7250 utilizes an LDPC ECC engine and eMLC memory to provide a robust, high performance, high quality and high endurance product.

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