Tips on Buying a Memory Card for Smartphones - This time we will discuss the Memory Card Buying Tips For Smartphone . Memory Card is a memory card for data storage , you can store any data such as photos , music , and others . Have you known that Memory Card can affect the performance of a smartphone , if Memory Card is not good, then the performance of the smartphone will be less than optimal .
When you want to buy a SD card , there are four things to consider : physical size , storage capacity , and speed in writing data selections Buying Memory Card.
1 . Dimensions Physical
There are 3 sizes in the Memory Card . First SD Card , starting from measuring 32 x 24mm which is used in digital cameras , video recorders ( camcorders ) , voice recorder and similar products . While smartphones now use smaller cards anymore , so there is the Mini SD sized 21.5 x 20mm , and then Micro SD measuring 11 x 15mm .
You can using Mini SD or Micro SD to SD Card , how to use the SD Card adapter , usually if you buy a mini / micro SD adapter sold simultaneously with the SD Card .
So if you want to buy the physical size Micro SD option , if you want to use it on other devices that require greater physical size , you can use the SD Card adapter .
2 . Data Storage
When we look at data storage , there are three types of cards , namely : SD , SDHC ( High Capacity ) and SDXC ( Extended Capacity ) .
Initially in 1999 the SD Card can store up to 2GB of data using the format FAT- 12 or FAT - 16 . Then in 2006 when consumers require greater capacity , was the introduction of high -capacity SDHC card can store data up to 32GB with FAT - 32 format . After it appeared in 2009 SDXC card is capable of storing data up to 2TB ( terabytes ) using the format from Microsoft that is exFAT ( Extended File Allocation Table ) .
Apple can support exFAT with Mac OS X 10.6.5 ( Snow Leopadard ) so exFAT be the best choice for shared storage or transferring large data berukuruan .
So , SD Card with 8GB and 16GB capacity is large enough for many purposes , but it would not hurt if a sentence selecting sized SD Card 32GB or 64GB of storage to expand a sentence .
If you buy a SD card with a capacity of 64GB or 128GB , it is important to know how to check if your smartphone is supported with a storage capacity Micro SD up to 64GB and even 128GB ? Usually only the latest smartphone capable of up to 32GB only.
3 . Speed Memory Card
SD Card has a different class . SD Speed Class 2 is 2Mbps , 4Mbps 4th grade is the grade 6 and grade 10 is 6Mbps is 10Mbps or more . In this case the card is viewed at a speed of speed of data transfer, such as 45MB / s or 90MB / s .
In a class rating above should be noted that the rating indicates the minimum speed, how to determine the performance of the memory card is to run benchmark tests.
Keep in mind also that the megabytes per second - MBps, usually written MB / s, means 8 times faster than megabits for second (Mbps), since 1 byte is 8 bits, means the memory card class 2 is 2 MBps transfer speed is 16Mbps
4. Choices Buying Memory Card
So if you buy a memory card for your mobile phone, select the memory card with the device mendungkung a sentence, if the smartphone is able to accommodate up to 32GB of 32GB memory card purchase or below, no more than 32GB. And also note the data transfer speed.


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