SA4 Series

The SA4 series is Exascend’s automotive-grade SATA-III storage devices available in the M.2, mSATA and 2.5″ form factors. With Exascend’s technologies, the SA4 series bridges the gap between the SATA interface and the future of the automotive industry.



176-layer 3D TLC


Automotive grade


Up to

0 MB/s

Sustained read

Up to

0 MB/s

Sustained write



Designed for the 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.

True SATA performance

With up to 550 MB/s sustained read and 535 MB/s sustained write, the SA4 series pushes the limits of the SATA-III interface even under sustained load.

Technologically superior

The SA4 series is enhanced by Exascend's unique performance and stability-enhancing technologies.

Tailored according to yout needs

Exascend's unique customization services allow the SA4 series to be optimized according to your needs.


The automotive-grade SA4 series from Exascend powers challenging applications with true SATA-III performance in a rugged and stability-optimized package. With top-level performance, exceptional reliability, stability, and endurance, the SA4 series is a great choice for even the most demanding automotive applications.

Series highlights:

  • Extended drive life with Exascend’s advanced flash management and global wear-leveling algorithm
  • Unlimited customization options, including optional power loss protection and adjustable over-provisioning


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 SA4 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


Data is now driving innovation and development of autonomous and software-defined cars.


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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