TF Card

What is TF (TransFlash) Card

Accommodating a significant figure of files digitally often seems impossible, especially if your digital electronic device’s storage space is running out. You might have come to such a frustrating state many times if your device is low in storage space.

Low storage can come up in variant shapes i.e., the device might have an insufficient storage space by default, or it might be over accommodated by various files and not able to store any more data. It won’t be wrong to say that memory card usage is the only way to deal with this storage problem.

What is a TFcard?

What is a TFcard?

The choices are unlimited literally when it comes to the memory card selection; TF stands right up in the available options.

What does TF mean? 

Though SD cards required no introduction, the TF might be a new term to most users. Both SD cards and TF cards give a similar look apparently in terms of dimensions & specifications.

TF memory cards

TF stands for T-Flash or Transflash; the TF cards being developed by SANDISK technology-based company back in 2004 are supposed to meet the storage needs of electronic device users just like SD cards. To extend the storage limit of your device, you can insert a TF card in a particular TF card slot. 

You might have heard that TF cards don’t offer much storage space, but that’s no more a problem. In earlier times, the storage capacity of a TF card was limited to 512 GB maximum, but now it has been extended to 1TB. 


  • Storage size: Up to 1TB 
  • Volume: 15mm x 11mm x 1mm. 
  • Technology: NAND MLC and
  • controller (SanDisk technology) 
  • Adaptability: High 
  • Security: Less 

What is SD card?

What is SD card?

SD is basically the abbreviation of secure digital, so you can also call the SD card a secure digital card. It is probably the most common memory card type you can find in any market. It is a formerly released memory card variation almost decades ago in 1999 by the mutual collaboration of Toshiba, SanDisk, and Panasonic.

In spite of its earlier inception period, it is still being used widely in smart electronic devices such as laptops, mobile phones, digital cameras, etc. Though the devices come with a custom SD card slot, a TF card slot can also be used to access the SD card data if you don’t find anyone.

In general, SD cards are available with variant storage capacities ranging from 1GB to 2TB in the market. To get an SD card of a specific size, you can even browse the SD card Walmart collection at ease of access.


  • Storage size: Up to 2TB 
  • Volume: 24mm x 32mm x 2.1mm
  • Technology: Semiconductor Flash memory 
  • Adaptability: Less Security: High 

Difference between TF and micro SD card

Differentiating between a TF card & an SD card can be trickier in most cases, as many people consider these two as the same thing. Micro SD card is another term used for a variant of SD card that seems similar to TF card in appearance.

TF card VS SD card

A quick comparison between TF and SD cards will surely assist most users in choosing the right memory card. Although you can observe the apparent difference in the specifications of both cards, but you need to identify your needs first.

Because if the product adaptability is your preference, then for sure, you can go for TF cards, while SD cards serve best if you require more storage space with the highest security level. Surprisingly a TF card can also be transformed into an SD card if you put your TF memory card into an SD-TF card adapter.

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Zubair is a tech geek who loves technology and writing about it. He also loves to travel and spread knowledge about online security.