MicroSD cards are small, inexpensive memory units that people use for storing data in MP3 players, cameras and other devices, and for transferring files between devices and a computer. They are rated in classes signifying their minimum sustained writing speed. MicroSD cards with faster writing speeds are especially useful when working with large files such as high-resolution videos. The SD stands for "Secure Digital."
Class 2
Class 2 microSD cards have a sustained writing speed of 2 MB per second. These work with a normal bus and are suitable for activities such as SD video recording.
Class 4
Class 4 microSD cards have a sustained writing speed of 4 MB per second. These work with a normal bus and are suitable for tasks such as full HD video recording.
Class 6
Class 6 microSD cards have a sustained writing speed of 6 MB per second. These work with a normal bus and are suitable for activities such as full HD video recording.
Class 10
Class 10 microSD cards have a sustained writing speed of 10 MB per second. These work with a high speed bus and are used for tasks such as full HD video recording and HD still consecutive recording.
Tags: sustained writing, sustained writing speed, writing speed, cards have, cards have sustained
