Every mobile phone comes with a built-in memory that is embedded in it. However, this memory becomes inadequate in most of the cases. To overcome this shortage of memory, every mobile phone comes with an option to extend its memory. You attach external memory using devices called memory cards. Memory card is a great savior to prevent shortage of memory in your mobile phone.
Memory cards come in different sizes with different storage capacities. For different devices like digital cameras, PCs, gaming device or cell phone, there are different types of cards used. For cell phones, memory cards of smaller size are used. These cards are called mini SD cards and microSD cards. These cards have multimedia capabilities.
There are various types of memory cards available in the market for various needs. It can be a daunting task to choose a right memory card for your mobile phones. Your mobile phone can be the source of great fun and entertainment provided it has a right memory card to match your storage requirements.
While purchasing a mobile memory card, the most important parameter to be considered is the speed of the card. Speed of the memory card refers to the speed of the card to retrieve the files from it or store files on the memory card. Speed of a memory card is referred in terms of nX. N refers to a positive whole number and X for 150 kilobytes/second.
In most of the memory card NAND Flash technology is used. This technology does not involve moving parts and it avoids data reading errors. At the same time, it is not volatile. You can rely on the memory cards.
Though memory cards are used with various devices like digital cameras, music players, PDA, they are essential accessory for the mobile phones. Some of the popular memory cards used with mobile phones are listed below. Secure Digital (SD) Memory cards are very fast and efficient among all.
Memory Sticks are compatible with Sony products such as Sony Ericsson mobile phones, Sony Digi Cams and Sony PDAs. For different uses, there are different types of memory sticks.
Though there is large variety of Memory Cards available in the market, you need to buy the one that is compatible with type of your mobile phone. There is RS MMC memory cards used with Nokia phones. Other memory cards include Compact Flash cards, MicroDrive or MMC Micro Memory cards and others.
Tiny embedded memory cards were used in cell phones. Then the trend came of smaller cards which left behind the compact cards which looked big because the people desired for ultra-small cards for cell-phones, PDAs, and compact digital cameras. In the year 2001 Smart Media and Compact Flash became very successful and Smart Media captured 50% of the digital camera market and compact flash on the professional digital cameras.
However by the year 2005 SD/MMC had nearly taken over Smart Media's spot. But Memory Stick variants and Compact Flash gave stiff competition. The memory card market is highly fragmented in cell-phones and PDAs.A solid-state electronic flash memory data storage device capable of storing digital contents is called a memory card or a flash memory card. Memory cards are mainly used with digital cameras, handheld and Mobile computers, mobile phones, music players, digital cinematography cameras, video game consoles, and PDAs. Also non-solid state memory cards which do not use flash memory are available. These memory cards offer high re-record-ability, power-free storage and small form factor.
These cards incorporate wear levelling algorithms in their design and there are different types of memory cards and the purpose for their use. Common places include in digital cameras, game consoles and cell phones. Other places include industrial applications also.
