What do sd and tf cards mean?

SD card is a new generation of high-speed storage device based on semiconductor flash memory. 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, tablet computers, and multimedia players. The tf card is an ultra-small data storage card. Its full name is TransFLash, also known as microSD. The tf card is an extremely small flash memory card invented by SanDisk. A frequently used memory card.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

What does sd card mean

SD card is a new generation of memory device based on semiconductor flash memory.

SD memory card (Secure Digital Memory Card) is a new generation of high-speed storage device based on semiconductor flash memory. Due to its small size, fast data transmission speed, hot-swappable and other excellent features, it is Widely used on portable devices, such as digital cameras, tablet computers, and multimedia players.

SD memory card technology is developed from the MMC card (MultiMedia Card) format, and developed SDIO (SD Input/Output) based on compatibility with SD memory cards. card, this compatibility includes mechanics, electronics, electricity, signals and software, usually SD and SDIO cards are commonly known as SD memory cards.

SD card has high memory capacity, fast data transfer rate, great mobility flexibility and good security. It is widely used in portable devices, such as digital cameras, tablet computers and multimedia players. Devices etc.

The structure of the SD card can ensure the security of digital file transmission and is easy to reformat, so it has a wide range of applications. Multimedia files such as music and movies can be easily saved to the SD card.

As a new type of storage device, SD card has the following characteristics:

• High storage capacity, the most commonly used capacities: 8GB, 16GB, 32GB, 128GB, 256GB wait.

• Built-in encryption technology adapts to the copyright protection function of works based on the SDMI protocol.

• High-speed data transmission; the maximum read and write rate is 100MB/s.

• It is light and small, easy to carry, and has strong impact resistance.

What does tf card mean?

The full name of TF card is TransFLash, also known as T-FLash. It refers to MicroSD, which is an ultra-small data storage card. Its size is 11x15x1mm, which is about a quarter of the SD card.

TF-CARD is TF memory card. TF card is a storage card commonly used in mobile devices. It is also called Micro SD card. If the mobile phone or MP5 and other devices have this logo, you can insert a TF type memory card.

TF card, also known as microSD, is an extremely small flash memory card invented and founded by SanDisk. This kind of card is mainly used in mobile phones, but because it has the advantage of being very small, with the ever-increasing capacity, it has slowly begun to be used in GPS devices, portable music players and some flash memory disks. It measures 15mm x 11mm x 1mm - about the size of a fingernail. It can also be connected to the SD card slot with an adapter.

The difference between sd card and tf card

TF is a small card, SD is a large card, both are a type of flash memory card. TF card is the smallest in size and can be used as an SD card through an SD card converter. The adapter can be used on devices that use SD as storage media. TransFlash is mainly developed for camera phones to capture large images and download larger video clips. TransFlas cards can be used to store personal data, such as digital photos, MP3s, games, applications for mobile phones, and personal data. It also has internal settings. The copyright protection management system allows downloaded music, videos and games to be protected; the new TransFlash to be launched in the future will also be equipped with an encryption function to protect personal data, financial records and health and medical documents. The small size of TransFlash allows manufacturers to adopt this design without worrying about the size of the phone. Another flexible application is that it allows suppliers to make replacements at any time according to different customer needs before delivery. This advantage is not available in embedded flash memory. .

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