SI3 Series

The SI3 series is a high-end product line featuring industrial-grade SATA-III storage devices available in the M.2, 2.5″ and mSATA form factors. 







Up to

0 MB/s

Sustained read

Up to

0 MB/s

Sustained write



Industrial hardware

The SI3 series is designed for industrial applications through and through, allowing it to excel in extreme temperatures and challenging environments.

True SATA Performance

With up to 550 MB/s sustained read and 535 MB/s sustained write, the SI3 series pushes the limits of the SATA-III interface even under sustained load.

Power loss protection

The SI3 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 SI3 series to be optimized according to your needs.


The industrial-grade SI3 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 SI3 series is a great choice for even the most demanding 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 (PLP) and adjustable over-provisioning
  • TCG Opal 2.0 compliant and AES-256 encryption support; hardware secure erase and temper-proof firmware available

Contact us to learn more about how the SI3 series can help bring your challenging applications to the next level.

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.


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


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

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