Which NFC Tag should I choose? Selection criterion: amount of NFC chip memory
NFC tags
One of the selection criteria
NFC tags
is the amount of memory the chip offers. The table below presents the values corresponding to the amount of memory offered by individual systems. It is worth paying attention to the amount of memory in which data can be saved. This value is smaller than the total amount of NFC chip memory due to the need to store information specific to a given NFC chip: unique UID, security configuration, access keys, etc.
Name
Amount of memory
The amount of memory available for storing data
Ultalight
64B
48B
NTAG203
168B
144B
NTAG213
180B
144B
Ultralight C
192B
148B
Topaz 512
512B
454B
NTAG215
540B
504B
NTAG216
924B
888B
Mifare 1k S50
1024B
716B
Mifare S70 4k
4096B
3532B
Mifare DesFire EV1
4096B
4094B
NFC memory and purchase costs
By choosing
NFC tag
with a specific NFC chip, it is worth weighing the need for the minimum amount of memory required against the price of the NFC electronic chip. Most often, the price of NFC tags increases as the amount of memory increases. However, there are exceptions to this rule, for example tags that meet the standard
Mifare 1k
, which, due to its popularity, is available at very affordable prices.