method one:
Use H2testw for testing.
H2testw download address: http:// mydown.yesky.com/ pcsoft/ 442704.html
Method Two:
A simpler method, such as testing 8G, can store more than 7G of music or videos. If all can be read normally, it means that the card is sufficient. If it is an expansion card, only the files stored in the previous section can be read.( It depends on how big it is.) , the file in the later section is damaged and cannot be read.
Kind tips: Since chip prices fluctuate greatly, the quotations are for reference only.
TF card( Small card) ,different from SD card( Big card) ,TF card is about 1% of SD card/ 4. It is a memory card that is currently in circulation and is small in size. It is suitable for mobile phones, driving recorders, car navigation, card audio, learning machines, cameras, surveillance cameras and other equipment. TF cards have the advantages of traditional SD cards and are used with SD adapters. The card holder can be converted into an SD card and is compatible with devices that use SD cards and complies with SD specifications.
Product grade standards:
C4= Class4= Write more than 4M per second;
C6= Class6= Write more than 6M per second;
C10= Class10= Write more than 10M per second;
U1= Write more than 10M per second;
U3= 22 writes per second- More than 30M;
The label on this product indicates the memory capacity installed, not the actual usable storage capacity.
* 1MB of storage capacity is calculated as 1,048,576 bytes. Part of the storage capacity is used as the management area, so the available storage capacity is as described above.
TF card size: 15mm( L) ×11mm( W) ×1mm( T)
weight: About 0.41g
Interface Type: TF memory card standard specifications( 8pin)
Operating Voltage: 2.7～3.3V
Operating temperature:- 25°～85°
storage temperature:- 20～65°
Save humidity: 30～80% RH( No condensation allowed)
[ Good Deal Toolbox] Affiliate marketing template- serial number: RL_29_4_start, the code here is the main symbol for the system to identify the template, and cannot be modified or deleted, otherwise the template will not be uninstalled normally.
[ Good Deal Toolbox] Affiliate marketing template- serial number: RL_29_4_end, the code here is the main symbol for the system to identify the template and cannot be modified or deleted, otherwise the template will not be uninstalled normally.
