A peripheral device that reads and writes a memory card made of flash memory chips. First available as external devices for one type of card, readers were subsequently built into the computer to ...

An SD Card category that uses the PCI Express (PCIe) and NVMe interfaces. Introduced in 2018, SDHD, SDXC and SDUC cards are available as SD Express cards, which are backward compatible with the SD ...

The SD Association has established standardized speed ratings for SD and microSD cards, known as Speed Classes, to ensure a minimum sustained write speed. These classes are essential for consumers to ...

Which SD memory card is best? SD memory cards are widely used today, and while they may all look the same, there are some key differences to note to ensure they’re compatible with your hardware. Still ...

Expandable storage via microSD cards has largely fallen out of favor on mainstream phones and tablets, but it remains one of the easiest – and often only – ways to add storage on more specialized ...