PCI-SIG® and the SD Association Announce Liaison

BEAVERTON, Ore. and SAN RAMON, Calif. – June 27, 2018 – PCI-SIG®, the organization responsible for the widely adopted PCI Express® (PCIe®) industry-standard input/output (I/O) technology and the SD Association (SDA), a global ecosystem charged with setting interoperable SD memory card standards, today announced that they have signed a Memorandum of Understanding (MoU) to advance SDA’s new SD Express memory card as a component in the PCIe ecosystem. SD Express includes both an SD legacy protocol interface and a PCIe interface that delivers up to 985 MB/s transfer rate, while maintaining backward compatibility with existing SD hosts in the market.

“PCI-SIG is pleased to work with the SDA to jointly promote the SD Express memory card specification,” said Al Yanes, PCI-SIG Chairman and President. “This liaison will strengthen both communities by furthering innovation in this space and supporting PCIe becoming another strong SD interface option.”

“By relying on successful protocols already in the marketplace, such as PCIe, the SDA gives the industry an advantage saving time in the development process,” said Hiroyuki Sakamoto, SDA president. “The SDA is pleased to work with PCI-SIG on the SD Express test methodology definitions for our members as well as jointly promote it in the market.”

SD Express uses the PCIe 3.0 specification to meet the changing performance levels of mobile and client computing, imaging, gaming, IoT and automotive applications as they adopt faster communication and multi-channel storage protocols designed to make processing data faster.

Under the terms of the MoU, PCI-SIG and the SDA will collaborate on a technical interchange related to SD Express and SD Express Test Guidelines, as well as information related to PCIe electrical certification of SD Express products. The two organizations will also form the PCI-SDA Advisory Team and the SD-PCIe Technical Group whose members are from companies that belong to both the SDA and PCI-SIG. To join PCI-SIG, visit http://pcisig.com/membership/become-member. For information on joining SDA, visit https://www.sdcard.org/join/index.html.


PCI-SIG is the consortium that owns and manages PCI specifications as open industry standards. The organization defines industry standard I/O (input/output) specifications consistent with the needs of its members. Currently, PCI-SIG is comprised of over 700 industry-leading member companies. To join PCI-SIG, and for a list of the Board of Directors, visit www.pcisig.com.

SD Association

The SD Association is a global ecosystem of nearly 900 technology companies charged with setting interoperable SD standards. The Association encourages the development of consumer electronic, wireless communication, digital imaging and networking products that utilize market-leading SD technology. The SD standard is the number one choice for consumers and has earned more than 80 percent of the memory card market with its reliable interoperability and its easy-to-use format. Today, smart phones, tablets, drones, IoT devices, HDTVs, audio players, automotive systems, computers, digital cameras and digital video cameras feature SD interoperability. For more information about SDA or to join, please visit the Association’s website, https://www.sdcard.org.

Contact Information

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