The difference between tf memory card and sd card

A 4g memory card can store approximately 700-1000 songs. The number of songs stored in a 4g memory card depends on the quality of the songs. There are many formats of songs, such as general quality MP3, high-quality FLAC, etc. The size is also very different. If it is high-quality music, it will be saved. Less, it depends on the memory occupied by the song.

The matepad 11 can be inserted into a memory card; the Huawei MatePad 11 tablet computer supports microSD memory card expansion, with a maximum support of 1TB; the screen of the HUAWEI MatePad 11 has hardware-level low blue light + flicker-free dual Rhine certification, and is equipped with the HarmonyOS 2.0 system; supports multi-device collaboration and The same-screen multi-tasking function also has functions such as parallel vision, global annotation, and one-click excerpts.

Kingston is a "Kingston" brand memory card, and Kingston memory sticks are a product of Kingston. Kingston has developed to now have more than 2,000 storage products, supporting almost everything from computers, servers and printers to MP3 players, digital cameras and mobile phones. Use equipment that stores product.

The difference between memory cards a1 and a2: 1. The particle distribution of memory card A1PCB is relatively uniform, and the particle distribution of memory card A2PCB is on both sides of the memory card; 2. The particles of memory card A1PCB are very close to the gold finger, and the particles of memory card A2PCB are far apart. The gold finger is far away; 3. A1PCB focuses on low timing, and A2PCB focuses on high frequency.

SD card is a kind of memory card that can be used in mobile phones as memory cards. However, since most mobile phones use MMC cards, and SD cards and MMC cards are not compatible, SD cards are rarely used in mobile phones; SD memory cards are based on Semiconductor flash memory is a new generation of memory device. Due to its small size, fast data transmission speed, hot-swappable and other excellent features, it is widely used in portable devices, such as digital cameras, personal digital assistants and multimedia players. wait.

There are some differences between TF cards and memory cards in terms of size, interface, capacity, application scenarios, speed and price. Detailed introduction: 1. Size. TF card is a micro memory card with a size of 15mm x 11mm x 1mm, while memory card The card is a more traditional memory card with a size of 32mm x 24mm x 2.1mm. The TF card is smaller and easier to carry than the memory card; 2. Interface, the TF card uses the TF interface, while the memory card uses the SD interface. The interfaces are different, so they are not compatible with each other, etc.

The reasons why the memory card cannot be formatted include the memory card write-protect switch being turned on, the memory card being damaged, the memory card file system error, the memory card being infected by a virus, the memory card being infected by a virus, and the memory card being damaged beyond repair. Detailed introduction: 1. Turn on the write protection switch of the memory card. Some memory cards have a physical switch to prevent data from being accidentally deleted or written. If the switch is turned on, the memory card will not be formatted. The solution is to turn off the switch. ; 2. The memory card is damaged. The memory card may be damaged due to long-term use or incorrect operation, etc.

Class10 memory card means the transmission specification for TF memory card (SDHC); the transmission speed is defined as Class2 (2MB/sec), Class4 (4MB/sec), Class6 (6MB/sec) and Class10 (10MB/sec). Among them, Class10 represents the storage needs that meet higher speed requirements.