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
Flash
Design
Up to
Sustained read
Up to
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:
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 SA4 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.
| Edition | SA4 Series | ||
| Interface | SATA-III, 6.0Gbps | ||
| Flash type | 176-layer 3D TLC | ||
| Form factor | 2.5 inch | M.2 (2280) | mSATA |
| Capacity | 240 GB to 8 TB | 240 GB to 8 TB | 240 GB to 1 TB |
| Input voltage | 5V ±10% | 3.3V ±5% | 3.3V ±5% |
| Power consumption | Active <4W; Idle <0.5W | ||
| Sequential read/write up to | 550/535 MB/s | ||
| 4K random read/write up to | 98,000/20,000 IOPS | ||
| Operational temperature | -40°C to 85°C | ||
| Storage temperature | -50°C to 95°C | ||
| Features | TCG Opal 2.0. AES-256. Advanced LDPC error correction. Firmware & hardware power loss protection. Conformal coating. Underfill. | TCG Opal 2.0. AES-256. Advanced LDPC error correction. Firmware power loss protection. Conformal coating. Underfill. | |
| TBW up to | 4,800 TB | 4,800 TB | 600 TB |
| MTBF | 2,000,000 hours | ||
| Warranty | 3 years | ||
| Image | Model Name | Form factor | Capacity (GB) | Max. seq. read (MB/s) | Max. seq. write (MB/s) | TBW (max.) | Inquiry |
|---|---|---|---|---|---|---|---|
 | EXSA4M7680GB | M.2 (2280) | 7680 | 550 | 535 | 4800 | |
 | EXSA4A7680GB | 2.5" | 7680 | 535 | 535 | 4800 | |
| 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 | |
 | 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 |
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