(Image credit: WD) At the heart of the PRO-BLADE system is the aforementioned PRO-BLADE SSD Mag. At first glance this takes a similar form to a conventional NVMe-based portable SSD, though the ...

SD Express Cards vs. SSDs Theoretically, you could end up with an SD card that writes and reads just as fast as an SSD. Most of the time an average card available on the market will not be that fast.

Adata also pointed out that is about 1.5 times faster than a standard SATA SSD. Compared to existing SD cards using the UHS-II SD and UHS-I SD interface, it’s about 2.7 to 8 times faster.

So, what would this new 420GB 1.8-inch SSD cost? (21.195/1.6128) x US$349 = US$4,586.47 based on current retail cost of the new 32GB SD card. Using the math above, the current 64GB SDD option in ...