If the SD card is 4GB or above, it is classed as a SDHC card.
SDHC cards are the same physical size and shape as standard SD but meets the new SD specification of version 2.0. SDHC memory card: SDHC (Secure Digital High Capacity) was introduced to meet the growing demand for HD video and high resolution image recording now used in many SD-enabled devices.Typical levels of performance are not as high as the other types of SD memory card mentioned below. The standard SD card has dimensions of 32 mm by 24 mm by 2.1 mm, a storage capacity of up to 4 GB. SD memory card: This is the basic format for the SD card.So what types of Flash memory card are there and what is the difference? There are so many different types of card, that is is essential to check the exact type being used. Also there are the USB memory sticks where speed is not normally an issue. Others are used within mobile phones where size is a very important issue. Some are used for cameras, and often speed can be an issue, especially where video is being taken.
Compact Flash, SD, SDHC, SDXC, MicroSd and more.Įach of these different types of Flash memory card is intended for a different type of application. One of the major sources of confusion is that there are so many different types of memory card on the market to buy. To help, we have set out our memory card buying guide to help explain some of the major types and what memory card is best for certain applications. The big issue with memory cards is being able to select the best one for the particular use or application in mind. As such these memory cards have become invaluable for storing everything from photos to Apps and programming data to. These memory cards use what is termed Flash technology and store the data even when the power is removed. Memory cards are used in everything from cameras to mobile phones as well as a host of other electronic equipment and gadgets. Memory types: Memory types & technologies DRAM EEPROM Flash FRAM MRAM Phase change memory SDRAM SRAM What is Flash memory technology How Flash memory works Flash lifetime & reliability Memory card buying guide Find out which is the best memory card for your application Memory Card Buying Guide There are very many different types of memory card for use in everything from DSLR cameras to mobile phones, displays and many more electronic gadgets.
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