SI4 Series

The SI4 series is engineered with 176-layer 3D NAND storage technology innovation, featuring industrial-grade SATA-III memory available in the M.2, 2.5” and mSATA form factors.



-40°C to 85°C

Wide temperature

176-layer 3D TLC


Up to

0 MB/s

Sustained read

Up to

0 MB/s

Sustained write



Leading storage density

The SI4 series is built with industry-leading 176-layer 3D NAND flash, providing exceptional performance and enhanced responsiveness.

Industrial hardware

The SI4 series is designed for industrial applications through and through, allowing it to excel in extreme temperatures and challenging environments.

Power loss protection

The SI4 series is available with optional hardware power loss protection for extra safeguards against power issues in critical applications.

Tailored according to your needs

Exascend's unique customization services allow the SI4 series to be optimized according to your needs.


The industrial-grade SI4 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 SI4 series is a great choice for even the most demanding applications.

Series highlights:

  • State-of-the-art 176-layer NAND flash
  • Extended drive life with Exascend’s advanced flash management and global wear-leveling algorithm
  • Unlimited customization options, including optional power loss protection (PLP) and adjustable over-provisioning
  • TCG Opal 2.0 compliant and AES-256 encryption support; hardware secure erase and temper-proof firmware available

Advanced technologies

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.

Unlimited Over-Provisioning

Exascend offers unlimited over-provisioning (OP), allowing customers to set the ideal level of OP to match their application’s exact demands. No artificial limitations. Unlimited flexibility.


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


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.

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.

...and many more

The SI3 series also supports customized secure erase, data retention, firmware encryption, RAID ECC, multi-image firmware backup, TCG Opal-support, as well as ultra-fast response time.

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


Industrial applications demand unwavering performance in challenging environments.

Mission critical

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

Edge computing

The edge puts storage devices up against severe environmental challenges and unique demands.


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.


Next-generation telecom requires ultra-fast storage devices that excel in any environment.

Product information

Scroll to Top

There's no time like the present.

Send us an inquiry

Exascend Newsletter

Subscribe to our newsletter to receive updates about products, services, events and resources you may find of interest.

Download whitepaper