Memory cards are all over the map -- a wide range of formats, sizes, and speeds. Some cards throw a bunch of numbers at you, while others may only list their capacity. Confusing doesn't begin to ...

CFexpress cards may be faster than the traditional SD format, but the larger, faster memory card type typically isn’t cheap. During a one-day-only deal, however, B&H is cutting $200 off a 1TB ...

An SD card’s speed class is shown on the front of the card in a circle, and will be a number anywhere from 2 to 10. Speed class is the minimum speed in MB/s that a card can transfer data.

High speed SD cards will sometimes use the x rating as class ratings max out at Class 10, which is a paltry 10 MB/s minimum. Moving onto CF cards, the rating system is much simpler.

Lexar is improving upon its Professional line of CompactFlash (CF) and Secure Digital High Capacity (SDHC) memory cards by adding larger CF cards and faster SDHC cards. The capacity of the ...

If you're looking for the fastest MicroSD card, have a look at our Top 10 Best MicroSD Memory Cards. Find out more about memory cards, in our complete guide to memory cards.