What Is SD Card Reader?

You know that you can’t connect the SD card to your computer directly. Thus, to access to the files on the SD card using the computer, you need an SD card reader. Now, you can read this post to learn some useful information about SD card reader.

As a new type of storage device based on semiconductor flash memory, SD (Secure Digital) memory card is produced to increase the capacity of digital devices. And it is favored and used by a lot of people due to its excellent characteristics of small size, fast data transfer and hot swap.

At present, SD card is the most common memory card on the market. It is now widely used in digital camera, DV, MP4, MP3, PDA and smart phone.

Well, SD card reader is a kind of device used specially for reading SD card. It's an external device with corresponding SD card slot and USB interface. Besides, it supports reading & writing data and allows the access to SD card files.

Actually, a card reader is specially designed to share information on SD card conveniently.

Usually, an SD card reader is not very heavy and the size of it is small. Some of the card readers are even close to that of common USB flash drives. Thus, it's easy to carry around. What's more, the function of card reader with SD card inserted is basically the same with that of USB flash drive.

For a computer, the card reader is similar to a USB floppy drive; the tiny difference lies in - what the card reader reads is a variety of flash memory cards while USB floppy drive only reads floppy disk.

Using skills: insert SD card into the corresponding slot on one end of card reader, and then connect the USB interface on the other end of card reader to computer. Only when the SD card is properly inserted into card reader and the card reader USB interface is properly connected to computer, can we succeed in accessing SD card and reading/writing data correspondingly.