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.
Interface
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Sustained read
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Sustained write
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.
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.
The SA4 series is enhanced by Exascend's unique performance and stability-enhancing technologies.
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:
To learn more about how the SA4 series can help bring your enterprise applications to the next level, please do not hesitate to send us a product inquiry and we will get back to you in no time.
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.
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.
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.
The PAE4 series also supports data retention, firmware encryption, RAID ECC, multi-image firmware backup, and other Exascend technologies.
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.
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.
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.
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.
High-resolution and high-FPS capture requires ultra-fast storage that never drops a single frame.
| Image | Model Name | Form factor | Capacity (GB) | Max. seq. read (MB/s) | Max. seq. write (MB/s) | TBW (max.) | Inquiry |
|---|---|---|---|---|---|---|---|
 | EXSA4A240GB | 2.5" | 240 | 550 | 300 | 150 | |
| EXSA4A480GB | 2.5" | 480 | 550 | 535 | 300 | |
| EXSA4A960GB | 2.5" | 960 | 550 | 535 | 600 | |
| EXSA4A1920GB | 2.5" | 1920 | 550 | 535 | 1200 | |
| EXSA4A3840GB | 2.5" | 3840 | 550 | 535 | 2400 | |
 | EXSA4B120GB | mSATA | 120 | 540 | 140 | 75 | |
| EXSA4B240GB | mSATA | 240 | 550 | 300 | 150 | |
| EXSA4B480GB | mSATA | 480 | 550 | 535 | 300 | |
| EXSA4B960GB | mSATA | 960 | 550 | 535 | 600 | |
 | EXSA4M240GB | M.2 (2280) | 240 | 550 | 300 | 150 | |
| EXSA4M480GB | M.2 (2280) | 480 | 550 | 535 | 300 | |
| EXSA4M960GB | M.2 (2280) | 960 | 550 | 535 | 600 | |
| EXSA4M1920GB | M.2 (2280) | 1920 | 550 | 535 | 1200 | |
| EXSA4M3840GB | M.2 (2280) | 3840 | 550 | 535 | 2400 |
| SA4 Series | |
| Edition | SA4 |
| Physical information | |
| Form factor | 2.5″, M.2 (2280), mSATA |
| Interface | SATA-III, 6.0Gbps |
| Capacity | 120–3840GB |
| Flash type | 3D TLC |
| Input voltage | 5V±5%; 3.3V±5% |
| Power consumption | Active <5W; Idle <0.9W |
| Performance | |
| Maximum sequential read (MB/s) | 550 |
| Maximum sequential write (MB/s) | 535 |
| Max. 4K random read (IOPS) | 85,000 |
| Max. 4K random write (IOPS) | 70,000 |
| Reliability/endurance | |
| Operational temperature (°C) | -40–85 |
| Storage temperature (°C) | -50–95 |
| UBER | <1 sector per 10^17 bits read |
| TBW (max.) | 2,400 |
| MTBF (hours) | 2,000,000 |
| Warranty (years) | 3 |
