Automotive iNAND e.MMC Embedded Flash Drives

Automotive-Grade Embedded Flash Storage Solutions


Reliable Flash Storage for Connected and Autonomous Cars

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



Delivers capacities from 8GB up to 256GB


  • Automotive-grade embedded flash drives
  • e.MMC 5.1 HS400 standard
  • Capacities:
    EM122: 8GB, 16GB, 32GB, 64GB
    EM132: 32GB, 64GB, 128GB, 256GB
  • AEC-Q100 Grade 3 and Grade 2 temperature support (-40°C to 85°C and -40°C to 105°C)
  • 100% content preloading
  • Advanced Firmware Memory Management
  • High-Reliability: Advanced error correction, health monitoring, and automatic refresh

Applications and Workloads

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

Driving storage solutions forward to destination future


An Automotive Solutions Portfolio for Embedded Storage

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

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


Automotive iNAND e.MMC Series
Product Portfolio

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High Capacity

Up to 256GB

Temperature Resilience

Supports automotive grade 3 and grade 2 temperature ranges

3D NAND Technology

First automotive 3D NAND e.MMC



iNAND EM132 Automotive XA

iNAND EM132 Automotive ZA

Operating Temperature

-40°C to +85°C (Grade 3)


32GB, 64GB, 128GB, 256GB


e.MMC 5.1 HS400


11.5x13x1.0mm (32GB, 64GB, 128GB)
11.5x13x1.2mm (256GB)

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

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