SI2 Series

Combining capacities from 120 GB all the way to 2 TB with true industrial-grade design, the SI2 series brings incredible flexibility and power with MLC flash and the legacy SATA-III interface.







Up to

0 MB/s

Sustained read

Up to

0 MB/s

Sustained write



Industrial Hardware

The SI2 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 530 MB/s sustained read and 530 MB/s sustained write, the SI2 series pushes the limits of the SATA-III interface even under sustained load.

Flexibility for any application

Available in a wide range of form factors and storage capacities, the SI2 series is a perfect choice for any demanding application.

Tailored according to your needs

Exascend's unique customization services allow the SI2 series to be optimized according to your needs.


The SI2 series achieves true industrial-grade performance in even the most challenging environments with its industrial design at both the hardware and firmware levels – making it the perfect choice for industrial applications that utilize the SATA interface.

Series highlights:

  • Industrial MLC flash with wide temperature-support (-40 – 85 ºC)
  • High-performing SATA performance even under sustained load
  • Available with Exascend’s exclusive rugged technologies

To learn more about how the SI2 series can help bring your challenging applications to the next level, please do not hesitate to send us a product inquiry and we will get back to you promptly.

Advanced technologies

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.


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.

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.


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

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 SI2 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.


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.

Edge computing

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

Product information

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