Which memory cards are available?

June 22, 2011
Up to this date, there are thirteen basic types of storage media used in digital technology. The most common are several types of memory cards: Compact Flash, CompactFlash Type II, Microdrive, Secure Digital, miniSD, microSD (TransFlash), xD-Picture, SmartMedia, Memory Stick, MultiMedia Card, RS-MMC, DV-RS-MMC, microMMC, micro Memory Stick.

one of the new data storage formats. SD-card different from others is very small (32h24h2.1 mm) and the ability to protect information stored on them from being copied. The advantages of flash cards of this type can also include high-speed read / write, enhanced protection of information on the card from accidental erasure or destruction, mechanical strength and low power consumption. It should be noted that despite the volume indicated on the map of free space on it will be less, because a certain amount of memory needed to ensure the copy protection.

Flash Cards miniSD new standard differ from the standard Secure Digital cards smaller (21.5h20h1.4 mm). To ensure the card in devices with conventional SD-card slot, an adapter is provided.

a miniature silicon nonvolatile storage media. MMC are the result of joint development, SanDisk and Siemens. The advantages of this type of cards are small size and robust mechanical design and low power consumption. Among the shortcomings may be noted the slow interface, a rather high price.

are the most common, they are supported by many digital cameras, PDAs, mp3-players etc. This type has one of the best ratios of volume / price. Further development of this memory led to the creation of the following card types - CompactFlash Type II (CF Type II). His physical difference from its predecessor - the increased read / write speed and a few large thickness.

is very small in physical size hard drive for personal and portable electronic devices. The main advantage of the Microdrive is their low (by volume) the price and compatibility with CF Type II, and among the deficiencies can distinguish a slight noise, high power consumption and heat dissipation, low speed, sensitivity to vibration.

microSD cards are super-compact removable flash memory device. Their dimensions are 11h15h1 mm. Maps of the format used primarily in cell phones, because thanks to its compact size make it possible to significantly expand the phone memory without increasing its size. MicroSD card is fully compatible with devices running on TransFlash (T-Flash) cards. It is assumed that the format will be completely eliminated TransFlash format microSD. To ensure interoperability, T-Flash Card and microSD with devices that support standard SD, issued a special SD-Cards.

is the newest type of memory card created by Olympus, FujiFilm and Toshiba. XD-Picture Card is designed mainly for storing digital movies and digital photos. Flash cards of this type are highly reliable, compact, have the lowest energy consumption among carriers and a very good performance in speed and reading. In future devices xD-Picture can support a maximum memory capacity up to 8 gigabytes.

is one of the most common data storage formats for portable devices. The disadvantages of this type of card may include a little life (5 years), exposure to external influences. In addition, several manufacturers, including Olympus, limit the functionality of the "alien" Smart Media cards in their technique. It is easy to guess that the "native" map would cost significantly more. The main advantages of Smart Media cards are compact and relatively inexpensive. It should be noted that the cards Smart Media produces two incompatible types, different voltage, so you should be careful when buying.

format flash memory card, presented by Sony. Anywhere except in the production of Sony, is not used and is the most expensive of the existing media.

memory card, which is half the length of a standard card MMC. Its dimensions are 24x18x1, 4 mm, and weight - about 6 grams, and all other characteristics are different from MMC. To ensure compatibility with existing standard MMC cards using the RS-MMC adapter needed.

cards that support both at 3 V, and when you double the voltage 3.0/1.8 V. mainly used in mobile phones, but if the adapter can be used in any devices compatible with the MultiMediaCard. The physical dimensions are 24 x 18 x 1,44 mm, weight 0.8

tiny memory cards for mobile devices with support for ECC (Error Checking and Correction - error detection and correction when writing / reading). Have low power consumption, which prolongs cell phone or other device. Dual operating voltage 3.3 V and 1.8 V, size 24 x 18 x 1,4 mm. Special adapter allows you to use this type of cards with devices that support MultiMediaCard.

Card, developed by Sony, have very small dimensions (15 x 12,5 x 1,2 mm) b able to operate at voltages of 1.8 V and 3.3 V copy protection technology provided by Sony MagicGate. Mainly used in mobile phones, Sony Ericsson. For use with devices that support Memory Stick PRO need a special adapter.

a new memory card format that is designed to work both on mobile devices with support for MMC (MultiMediaCard), and in any computer with a port USB. Maps miCard can be used for direct transfer of data between a handheld device and desktop computer without having to connect a card reader. One advantage of this standard - High speed data transfer (480 Mbps). The maximum capacity of cards - about 2048 GB.

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