CFast series
Exascend’s Essential series CFast cards combine our enterprise storage expertise with patented technologies designed to provide optimal performance in photo and cinematography. The result is a uniquely competent lineup of CFast cards for any application.

Form factor
Firmware and hardware
Up to
Storage capacity
Up to
Sustained read
Up to
Sustained write
PRO STORAGE.
SATA-III INTERFACE.
Engineered for cinematography
We designed the Essential CFast series to meet the tough requirements of modern photo and cinematography applications, ensuring stable top performance.
True SATA Performance
Our Essential CFast cards push the limits of the SATA-III interface with extreme read and write speeds.
Ready for any environment
The Essential series is designed to continue operating at its best even in extreme environments.
Tuned to perfection
With Exascend's exclusive customization services, our CFast cards can be tuned to bring out the best of your applications.
Description
The Essential CFast series is our lineup of high-end CFast cards designed for high-end cinematography and enterprise applications. Featuring high performance, high stability, and top-level reliability, it is an excellent choice for any type of demanding application that leverages the CFast form factor.
Series highlights:
- Top-level SATA-III performance
- Low power consumption
- Designed for demanding cinematography applications
- Generous five-year warranty
To learn more about how the Essential CFast series can help bring your 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.

With conversational AI in the cards: an Essential CFast success story
Exascend provided cinematography-optimized CFast cards with sustained performance that can keep up with StoryFile’s volumetric 6K video workloads.
Learn more about Exascend’s memory cards that can keep up with volumetric 6K video capture for innovative conversational AI in this case study.
Accessories
- USB 3.2 Gen 2 interface
- Cinema-grade performance
- For CFast 2.0 cards
- Robust aluminum casing
- Up to 500 MB/s transfer speeds
Advanced technologies
Afterburner™
Afterburner™ is a performance-enhancing Exascend technology that leverages SLC cache to boost sequential read and write speeds in storage devices with 3D TLC NAND.
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™
SuperCruise™ is a signature Exascend technology that optimizes write performance for stability – ensuring unbeatable stable write performance even in the most demanding applications.
AES-256
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.
...and many more
The Essential CFast series also supports data retention, firmware encryption, RAID ECC, TCG Opal, multi-image firmware backup, and other Exascend technologies.
Product information
Image | Model Name | Form factor | Capacity (GB) | Max. seq. read (MB/s) | Max. seq. write (MB/s) | TBW (max.) | Inquiry |
---|---|---|---|---|---|---|---|
![]() | EXSD3X128GB | CFast 2.0 | 128 | 550 | 530 | 150 | |
![]() | EXSD3X001TB | CFast 2.0 | 1024 | 550 | 530 | 600 | |
![]() | EXSD3X512GB | CFast 2.0 | 512 | 550 | 530 | 300 | |
![]() | EXSD3X256GB | CFast 2.0 | 256 | 550 | 530 | 300 |
Essential CFast | |
Edition | Essential |
Physical information | |
Form factor | CFast (2.0) |
Interface | SATA-III, 6.0Gbps |
Capacity | 128–1,024GB |
Flash type | 3D TLC |
Input voltage | 3.3V±5% |
Power consumption | Active <5.0W; Idle <0.9W |
Performance | |
Maximum sequential read (MB/s) | 550 |
Maximum sequential write (MB/s) | 530 |
Max. 4K random read (IOPS) | 85,000 |
Max. 4K random write (IOPS) | 70,000 |
Reliability/endurance | |
Operational temperature (°C) | -5–70 |
Storage temperature (°C) | -40–85 |
UBER | 1 sector per 10^17 bits read |
TBW (max.) | 600 |
MTBF (hours) | 2,000,000 |
Warranty (years) | 5 |
Flyer download
Title | Size |
Exascend Essential CFast cards: optimized for cinema | 1.05 MB |