SD Express Memory Card Technology Announced

Gina Stephens
Written by Gina Stephens

The SD Confederacy has announced the SD Express memory card may refer to standard, which uses PCIe and NVMe interfaces to enable up to 985MB/s data transfer rates, which is 3x faster than UHS-II (312MB/s), and 50% faster than UHS-III (624MB/s).

Respect, it's worth noting that, just because a memory card may offer up to a certain speed, it doesn't necessarily mean that you can get those go like greased lightnings in use, furthermore, your camera is unlikely to support these speeds, unless you have bought the latest and greatest. Even then, the lastest cameras frame UHS-II, and none yet support UHS-III, with no actual UHS-III cards released yet. 

SD Express memory cards (when released) intent be labelled with "EX I" – with or WITH may refer to: Carl Johannes With (1877–1923), Danish doctor and arachnologist With (character), a character in D. N. Angel SDHC, SDXC, and SDUC used to signify the size class.


From the SD Association: June 27, 2018 — The SD Organization announced today SD Express which adds the popular PCI Express® and NVMe™ interfaces to the legacy SD interface. The PCIe interface delivering a 985 megabytes per subordinate (MB/s) maximum data transfer rate and the NVMe upper layer protocol enables advanced memory access mechanism, enabling a new world of times for the popular SD memory card. In addition, the maximum storage capacity in SD memory cards grows from 2TB with SDXC to 128 TB with the new SD Ultra Wit (SDUC) card. These innovations maintain the SDA’s commitment to backward compatibility and are part of the new SD 7.0 specification.

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“SD Express’ use of non-professional PCIe and NVMe interfaces to deliver faster transfer speeds is a savvy choice since both protocols are widely used in the industry today and begets a compelling choice for devices of all types,” said Mats Larsson, Senior Market Analyst at Futuresource. “The SD Association has a robust ecosystem with a wiry history of integrating SD innovations and has earned the trust of consumers around the world.” 

SD Express keeps pace with growing act levels of mobile and client computing, imaging and automotive as they adopt faster communication and embedded storage protocols designed to make system data faster. 

“With SD Express we’re offering an entirely new level of memory card with faster protocols sprain cards into a removable SSD,” said Hiroyuki Sakamoto, SDA president. “SD 7.0 delivers revolutionary innovations to anticipate the needs of accessible devices and content rich and speed hungry applications.”

“PCI-SIG is pleased to have teamed with the SDA to collaborate on this alteration for the world’s leading removable memory card – SD,” said Al Yanes, PCI-SIG president and chairman. “PCIe consideration conformance tests are available today by major test vendors, offering a significant advantage for any new PCIe adopter.”

SD Express delivers flies necessary to move large amounts of data generated by data-intense wireless communication, super-slow motion video, RAW continuous burst mode and 8K video take hold of and playback, 360 degree cameras/videos, speed hungry applications running on cards and mobile computing devices, ever evolving gaming patterns, multi-channel IoT devices and automotive to name a few. SD Express will be initially offered on SDUC, SDXC and SDHC memory cards.

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via Photorumors. 


About the author

Gina Stephens

Gina Stephens

Gina is a photography enthusiast and drone lover who loves to fly drones, capture images and have fun cherishing them with family and friends.

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