The technology behind SD cards is based on flash memory, which retains information securely even without a power supply. Nevertheless, even this technology has its limits. The electrical charges ...

SD cards are small thumbnail-sized memory storage cards. There are several varieties of SD cards available today with max capacities ranging up to 128 TB. An SD card, short for Secure Digital card, is ...

If you own any portable device manufactured in the last two decades, chances are you have had to buy a fair share of the removable flash memory cards. That's the tiny bits of plastic and silicon ...

A good UHS-I card is quick enough for most people’s needs, and the Lexar Professional Silver Plus is the best value of the ones we’ve tested. Paired with Lexar’s USB card reader, it consistently ...

Every tablet Amazon Fire tablet released in the past few years has featured a microSD card slot, which is a nice thing to have if you’re using a tablet that may have as little as 8GB of built-in ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...

CFexpress, SDHC, SDXC, UHS, SD4.0–those terms may sound like mumbo-jumbo but they all refer to the memory cards used mostly in cameras, but in other devices. In this article, we have put a range of ...