PA4 Series

The PA4 series is Exascend’s automotive-grade PCIe 4.0 storage lineup featuring extreme sustained read and write speeds and incredible storage capacity. With Exascend’s technologies, the PA4 series bridges the gap between the PCIe 4.0 interface and the future of the automotive industry. Available in the M.2 2280, M.2 2242, M.2 2230, E1.S and U.2 form factors.

Exascend’s automotive-grade PCIe 4.0 storage PA4 series available in the M.2 2280, M.2 2242, M.2 2230, E1.S and U.2 form factors.
PCIe 4.0


176-layer 3D TLC


Automotive grade


Up to

0 MB/s

Sustained read

Up to

0 MB/s

Sustained write



NVME PCIe meets Automotive

Advanced driver-assistance systems (ADAS) are integral to the future of the automotive industry, and high-performing storage sits right in the center of it. To log enormous amounts of data 24/7, you need powerful and reliable storage.

Max out the storage capacity

ADAS and data loggers demand incredible storage capacities to store all the data generated by the system and unrelenting storage performance to keep up with a constant flood of data.

Technologically superior

The PA4 series is enhanced by Exascend's unique performance and stability-enhancing technologies.

Fully customizable

With our dedication to customization, we are fully equipped to design, configure, and tune the PA4 series entirely according to your specification.


The PA4 series combines all the features and technologies that make Exascend’s enterprise-grade products great with the ultra-high performance PCIe 4.0 interface. The result is an extremely high-performing series of storage devices suited for any demanding enterprise application.

Series highlights:

  • Unbeatable NVMe performance with PCIe 4.0 interface
  • Features Exascend’s unique performance and stability-enhancing technologies
  • Optimized for demanding enterprise workloads
  • Available in the M.2 2280, M.2 2242, M.2 2230, E1.S and U.2 form factors


Advanced technologies

Wide Temperature

Exascend’s wide temperature technology leverages a unique combination of high-quality components, purpose-designed hardware and highly-optimized firmware to deliver unmatched wide temperature performance and stability.

Adaptive Thermal Control™

Our unique Adaptive Thermal Control™ technology tackles the issue of overheating and thermal throttling that is unavoidable in high-performance PCIe NVMe flash storage devices.


SuperCruise™ is a signature Exascend technology that optimizes write performance for stability – ensuring unbeatable stable write performance even in the most demanding applications.

Power Tuning

Our unique level of control over hardware, firmware and manufacturing enables us to provide unmatched tuning services. By tuning the performance of our product specifically for your applications, we can achieve the highest possible performance to thermals and performance to power ratios.


Exascend’s secure storage solutions offer the highest level of data protection with virtually unbreakable AES-256 encryption, guaranteeing unbeatable encryption compliant with federal agencies’ stringent data security requirements.

...and many more

The PA4 series also supports data retention, firmware encryption, RAID ECC, multi-image firmware backup, and other Exascend technologies.

Fully customizable

Powered by Marvell

Exascend’s unique strategic partnership with Marvell combines the best controllers in the industry with our hardware expertise and industry-leading firmware design. The result: flash storage devices ready for any challenge thrown at them.

In-house hardware and firmware expertise

Customization is at the heart of what we do. Our hardware and firmware teams are dedicated to your success and ready to develop solutions that tackle your challenges.

Recommended applications


Development of next-gen autonomous and software-defined cars requires reliable data storage devices.


Shocks, vibrations, and extreme temperature fluctuations demand only the best from storage devices.

Mission critical

Reliability comes second to none in mission critical applications – where failure is not an option.


Industrial applications demand unwavering performance in challenging environments.


Enterprise storage requires high performance and unwavering stability under constant loads.

Broadcast & cinema

High-resolution and high-FPS capture requires ultra-fast storage that never drops a single frame.

Product information

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