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 ...

Reviews / Transcend 16Gb Wi-Fi SDHC Class 10 Memory Card Review The Transcend 16Gb Wi-Fi SDHC Class 10 memory card allows you to share your picture straight from the card to your computer or iOS / ...

When measuring the speed of a memory card, find out whether it is low or high. The higher the memory, the faster the phone will be able to read and write information to and from it. Some devices won’t ...

Staples has the 16GB SanDisk SDHC Card for $14.99 with free shipping. That’s the lowest price we’ve seen for a 16GB SDHC card. Class 4 represents a minimum speed of around 4MB/sec.