The SD Association unveils a new UHS Speed Class 3 and matching symbol for SD cards capable of writing a minimum of 30Mb/s for 4K2K video.

If you are wondering what are SD card Classes are and why they are important this quick guide explains why you must match the card speed to ...

Most SD cards with a high-capacities generally also tend to have high speeds, so you don’t have to worry as much about a high capacity card with a low speed. If you don’t see the speed of the SD card ...

Between the classes and ratings, picking out the right SD card can be a challenge. We break down the most important specs and details so you can decipher the GB, the MB/s the class numbers and the ...

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.

The categories of SD flash memory cards for recording video. The three class types are Speed, UHS Speed and Video Speed. Devices that support any of the UHS buses also support the earlier Default ...

Picking out the right SD card is an essential part of any photographer's process. Here are the best ways for how to choose the right SD card for you.

When shopping for memory cards, we tend to compare cards by the “X” speed, such as 80X, 150X, etc. But what are we measuring? The X speed is how much information the card can accept per second, also ...

SD products are rated at a minimum speed, the Speed Card Rating. A Class 2 SD card can write at least 2MB/s, a Class 4 SD card can write at least 4MB/s and so on.

I have a Canon SD980 with a microSDHC memory card (w/adapter). Will I see any benefit buying one of those 'ultra' speed SD cards?

Most SD cards should have a number on them, such as 2, 4, 6, or 10 to denote their minimum write speed in MB/seconds. Sandisk's class 4 cards, for example, transfer speeds at 15 MB/sec, and their ...