As resolutions and file sizes continue to grow, it’s important for storage —especially removable storage—to keep up, and with the SD Association’s new SD 8.0 spec, memory cards have just gotten a massive bump to their top-end speed. In a press release issued on Tuesday, the association announced that transfer speeds for SD Express cards will now top out at just shy of four gigabytes per second (3940 MBps to be exact)the SD 8.