What is microSD express?
The SD Association’s specifications SD7.0 expands the possibilities of traditional SD memory cards. SD Express revolutionizes SD technology by using PCIe™ and NVMe™ interfaces to obtain performance levels that will propel the innovation of devices for years to come.
microSD Express, introduced with SD7.1, uses the common PCIe interface and delivers a theoretical max of 985 MB/s data transfer rate. The NVMe upper layer protocol enables advanced memory access mechanism, enabling a new world of opportunities for mobile devices.
How it works ?
Western Digital and JMicron’s joint demo is showing a SanDisk® microSD Express Demo card running on a JMicron® USB 3.2 Gen2 microSD Express Card Reader. The card reader solution is designed to meet the SD7.1 specification. This product can deliver up to 985MB/s data transfer speed with microSD Express card.
microSD Express enables speeds necessary to transfer large amounts of information generated by data-intensive wireless communication, applications running on cards and mobile computing devices, evolving gaming systems, multi-channel IoT devices, numerous automotive uses, high resolution mobile videos, action cameras, 360-degree videos, VR, and more.