The microSD Express standard combines PCI Express speeds, microSD convenience

Last June, the SD Association announced SD Express, an incredibly fast SD card standard that taps a PC’s PCI Express bus for speeds up to 985 Mbytes/s. Virtually no one adopted it. Now, the SD Association has tried again, applying the same spec to the much more popular microSD card form factor: microSD Express.On paper, the SD Express standard should have succeeded. With support for both the PCI Express bus as well as the NVMe memory access layer, SD Express cards could have provided external removable storage about as fast as an internal SSD—great news for laptops. But the majority of laptops and smartphones (if they support removeable storage at all) use the more compact microSD form factor instead. To read this article in full, please click here