Robust and Reliable Edge Storage for a Connected Automotive World

Leveraging enhanced flash storage technology for superior reliability, the new iNAND storage devices are designed to support data demands of the latest Advanced Driver Assistance Systems (ADAS). These include cutting-edge infotainment, navigation, HD mapping, V2V/V2I communication, drive event recorders, and autonomous driving.

The iNAND EFDs (Embedded Flash Drives) deliver dependable performance even in the most extreme environmental conditions, including ambient temperatures ranging from -40°C to 105°C. Western Digital’s robust iNAND embedded flash drives are ideal for a wide range of connected automotive systems and environments. All of our automotive solutions are AEC-Q100 qualified and are designed to meet the reliability requirements of the automotive industry.


Storage for the Road Ahead


Built to meet the demanding requirements of the automotive industry with zero defect strategy


Automotive-specific feature set and full vertical integration of design, manufacturing, assembly, and test to meet the reliability demands of automotive applications


Optimized for a wide variety of read and write use cases with fast boot capability and SLC partitions to allow system optimization


  • Automotive-grade storage solution
  • e.MMC 5.1 HS400 standard
  • Capacities: 8GB, 16GB, 32GB, 64GB
  • AEC-Q100 Grade 3 and Grade 2 temperature support (-40°C to 85°C/-40°C to 105°C)
  • Advanced Firmware Memory Management
  • High-Reliability: Advanced error correction, health monitoring, and automatic refresh

Applications and Workloads

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

Flash Storage Driving Connected Cars to an Autonomous Future


An Automotive Solutions Portfolio for Embedded Storage

Automotive storage solutions involve much more than just NAND flash. Our iNAND e.MMC and UFS managed storage devices contain NAND flash, a controller and firmware. Designed and assembled by Western Digital, our e.MMC and UFS solutions are designed to meet rugged environmental and strict automotive quality requirements.

Western Digital iNAND embedded storage provides high capacity storage in a small, BGA form factor allowing it to be used for a wide variety of automotive data storage applications.



iNAND EM122 Automotive XA

iNAND EM122 Automotive ZA

Operating Temp (ambient)

-40°C to +85°C (Grade 3)


8GB, 16GB, 32GB, 64GB


e.MMC 5.1 HS400


11.5x13x0.8mm (8GB, 16GB)
11.5x13x1.0mm (32GB)
11.5x13x1.2mm (64GB)

Part Numbers


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1GB = 1,000,000,000 bytes; the actual user capacity may vary depending upon the configuration.

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