Flash Memory Cards: What You Need to Know | PCMag.com

Flash Memory Cards: What You Need to Know | PCMag.com: "

BY WILL GREENWALD JULY 13, 2011 Read more: http://www.pcmag.com/article2/0,2817,2388408,00.asp

MicroSD, MiniSD, SD, SDXC, SDHC? Not sure which card do you need for your camera, phone, or other mobile device? Here's how to make sense of flash memory formats, sizes, and speeds.

With most people carrying around smartphones, MP3 players, digital cameras, pocket camcorders, or all of them, flash memory cards have become a requirement for keeping your digital life running smoothly. If you got a shiny new device that can snap photos or play music, odds are (unless, of course, it's an Apple product) it's going to use a flash memory card to offer additional storage capacity. To get more granular, it's most likely going to use some variety of Secure Digital (SD) card. SD has emerged as the dominant flash memory format, but it's not that simple. There are scores of SD cards of all shapes, sizes, and speeds available, so picking the right one for each device can be slightly confusing.

When it comes to flash memory cards, there are three aspects you need to consider: physical format, size, and speed. Each of the three variables has its own set of classes, so you can have anything from a 1GB Class 2 microSD card to a 32GB UHS-1 SDXC card. We'll explore the distinctions below.

Read more: http://www.pcmag.com/article2/0,2817,2388408,00.asp

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