different memory card formats were developed by different companies .Most companies that produce electronic devices, prefer to use in their products any one specific format (especially if they have developed, and it).For example, Sony prefers developed her size Memory Stick and its variations (Memory Stick Duo, Memory Stick Pro, and so on. N.).
The different memory card formats? first difference can be seen with the naked eye - a form factor (size and shape) .So you're just not physically able to use the gadget in your memory card in another format - it can not normally enter the slot.However, there are special adapters (adapters), allows you to insert a small card in a slot for a larger format.But they usually work within the format
memory card formats also differ speed read and write data , data exchange, the maximum amount of memory, speed class, use the "default" file system and, of course, price.Some cards can be connected to a computer via USB-interface, without the card reader.There are cards that support the new standard UHS-1 (high-speed bus data exchange).
So let's talk a bit more about the different memory card formats.Let's start with the format that we have mentioned in the beginning - it Memory Stick and its variations .This memory card format developed by Sony.It is considered the most expensive format.Format Memory Stick - indoor, t. E. Fully comply with the original card only Sony (hence the high price).
Varieties of Memory Stick media are different form factor, interface, maximum capacity and speed of reading information .The first was developed by the Memory Stick in 1998, it was the maximum amount of 128 MB.Now there are other variations of this format: Memory Stick Select, Memory Stick Duo, Memory Stick Micro (M2), Memory Stick PRO, Memory Stick PRO Duo, Memory Stick PRO Duo Mark 2, Memory Stick PRO-HG, Memory Stick PRO-HGDuo.
Another common format memory card - Secure Digital (SD) , it is mainly used in portable devices.It was developed in 1999 by three companies - Toshiba, SanDick and Panasonic based card MMC (MultiMedia Card).This format supports the option of information protection and other significant advantages.The disadvantage is that the SD cards from different manufacturers are not always 100% correspond to the standard and may not work in some devices.
As cards Memory Stick, SD cards are divided into types with different form factors, memory capacity and data rate.In addition to actually SD-card isolated card miniSD, microSD, SDHC, and SDXC (extended capacity card), miniSDHC, microSDHC.
Another "pioneer" among memory card formats - a MMC (MultiMedia Card) , format was developed in 1997, SanDisc and Siemens AG.This card is small in size, characterized by high durability and low power consumption, the disadvantage is the high cost and slow interface.The main modifications to this format - it is actually MMC, RS-MMC (reduced size cards), MMCmobile (DV-RS-MMC), MMCmicro, MMCPlus and MMCPlus HC.
also popular memory card formats include Compact Flash I and II (CF, CF Type II), Cfast, SxS Memory Card, Universal Flash Storage (UFS), xD-Picture Card, and others. Some of them are not as versatile,as, for example, Memory Stick and SD.For example, xD-Picture Card for digital cameras, mainly Fujifilm and Olympus.There are also types of memory cards specifically designed for gaming consoles (usually they are not a flash card and solid state).
Different formats have their advantages and disadvantages , but usually the format of the memory card is not the main criterion for choosing us of a electronic gadget.But all things being equal characteristics was used type of memory cards can help you make a choice of several devices.