Wednesday, February 22, 2012

Memory Cards For Cameras And The Day Of SDHC VS SDXC

By Rick Newman


The age of the computer has become so ingrained in our lives that we need it everyday. With all of this work on the computer, people will need to save the information on some type of data storage unit. The two formats, SDHC vs SDXC, have become a well known format for people these days. The advantages are numerous with the SD family type of data storage.

Speaking of memory cards for cameras, the SD family of storage devices have many different formats that determine what is the best. The computer system can also determine what would be the most logical way of being able to store data. The range goes from more information storage to a different way of saving the information. This can be a very important detail for those who want to store information with a particular format.

SDHC stands for secure digital high capacity. This is an added method of the standard information storage labeled as the SD family. The highest storage capability is set to 32 gigabytes. It has the same method as the older SD cards. This type of SD family uses the sector addressing type to store data. The byte addressing is used for older data storing devices.

Byte addressing has a full capacity of four gigs when saving information. The method known to the SD family as sector addressing is up to two TB for data saving. It is said that the SDHC can store up to 32 gb of information. It is a good storage media but can't be used in older computer systems that use the SD 1.0 setup.

The SDXC saw the day of light in the year 2009. The method of storage known as secure digital extended capacity was brought into the world at the Consumer Electronics Show or CES. SDHC has been created to go over 32 GB of storage, but has been purposely set at 32 GB. The limitations are set by the 2.0 format. SDXC cards are labeled with a 3.0 classification with SD 4.0 for later more updated SD cards in 2011.

The speeds set for SDXCs with a SD 3.0 set up was introduced as 832 Mbit per second which is called UHS104 speeds. The SD 4.0 is setup to have transfer rates of 2.4 gbits per second. The official format for the SDXC is the exFAT file system. Other file systems such NTFS and others can be used on the storage unit is need be. This is one of the benefits of this device.

The year 1999 saw the creation of the SD format through SanDisk, Matsushita, and Toshiba. They developed the market in opposition to the Sony Memory Stick which was put out by MagicGate DRM. The SD method was brought to the world by MultiMediaCard. The two would change the face of the way that data was stored.

SDHC vs SDXC can be determined by the point of view of the computer user. The benefits of the secure digital extended capacity is that it can go up to 2 TB of data storage. Both can be used by different file systems and computers when trying to store data information. The choice is up to the person and what they want to do when saving the information.




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