Sony Electronics Develops CFexpress Type B Memory Card Boasting Ultra-fast Read and Write Speeds of up to 1700MB/s

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Ultra-fast speed, designed for professional and industrial use, supports future evolution of digital devices; Sony CFexpress Type B memory card offers a 128GB capacity, with higher capacity models of 256 GB and 512 GB planned for the future

Last Updated: February 28, 2019 1:29 pm GMT
(New York, NY--February 28, 2019) Sony Electronics Inc. today announced the development of the CFexpress Type B memory card (CEB-G128), a new ultra-fast next generation memory card [2] that is ideal for professional and industrial use. With its super-fast speed of up to 1700MB/s (read) along with highly reliable toughness, this memory card supports the future evolution of digital devices.



Enhancing Sony’s high performance, value-added memory card line-up, the CFexpress Type B is designed based on a new specification which adopts the latest interface, PCIe® [3] Gen3, standardized by the CompactFlash Association.

The Sony CFexpress Type B memory card offers a 128GB capacity, with higher capacity models of 256 GB and 512 GB planned for the future.

Ultra Fast
The Sony CFexpress Type B memory card is roughly 3 times faster than Sony’s fastest CFast memory card (with 530MB/s read speed). With a write speed of up to 1480MB/s, this card meets future requirement needs for secure industry data-recording or requirements from professionals to capture hi-resolution images or high-bitrate video.

With a read speed of up to 1700MB/s, even large-sized data files can be transferred quickly, when compared to existing memory cards. For example, when making copies or backing up large-sized data from multiple memory cards, transfer time will be dramatically reduced enabling greater efficiency.

The new CFexpress Card Reader, MRW-G1, is optimized for Sony CFexpress Type B memory card and takes full advantage of the card’s fast read speed. This reader is also compatible with Sony XQD card G series and M series.


TOUGH performance
The Sony CFexpress Type B memory card has superior strength, surpassing the CFexpress standard by a factor of three, being able to withstand 70N of force in bend, and five times greater reliability for enduring falls from up to 5m high.

The card is also temperature proof [4], X-ray proof [5], anti-static [6] and has a UV guard so it can support usage in tricky or tough environments [7].

Peace of mind
Media Scan Utility and Memory Card File Rescue are available as a free download to Sony CFexpress card users.

Media Scan Utility is PC software that automatically scans your Sony CFexpress memory card every time you connect it to a PC via your MRW-G1 card reader8. The software keeps you informed of the condition of your card and lets you know if you’re nearing or have reached the flash memory limit.

Memory Card File Rescue eradicates every photographer’s worst nightmare – deleting photos accidentally and losing your precious work. The software recovers accidentally deleted files including RAW or high-resolution images and videos, so your work is safe from whatever obstacles are thrown your way.

The Sony CFexpress Type B memory card and the CFexpress MRW-G1 Card Reader are expected to be available in summer 2019.

[1] Based on Sony internal testing. Actual performance may vary and is dependent on environment and usage.

[2] Based on memory card standard announced from the CompactFlash Association in 2017 as the next generation of XQD memory card and CFast memory card. CompactFlash is a trademark of CompactFlash Association.

[3] PCIe is a registered trademark of PCI-SIG.

[4] Based on Sony internal testing, memory media can operate in temperatures between -13 degrees Fahrenheit (25 degrees Celsius) and 185 degrees Fahrenheit (85 degrees Celsius). Actual performance may vary based on environmental conditions and usage.

[5] Based on Sony internal testing, memory media is in conformance with ISO 7816-1 X-ray screen testing. Actual performance may vary based on environmental conditions and usage.

[6] Based on Sony internal testing, memory media is anti-static certified to IEC 61000-4-2 standard. Actual performance may vary based on environmental conditions and usage.

[7] Based on Sony internal testing, memory media is in conformance with ISO 7816-1 ultraviolet ray irradiation testing. Actual performance may vary based on environmental conditions and usage.

[8] MRW-G1 is required to scan Sony CFexpress memory card



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