Micro SD Cards

Micro SD cards, sometimes referred to as microSD, are memory cards used to store data in small devices. SD stands for secure digital and micro comes from its size. The microSD card is the smallest of the SD memory card family.

What are micro SD cards used for?

These memory cards are popular in portable devices, such as smartphones. Their compact size makes them ideal for smaller devices.

If you would like to use your microSD memory card in a standard SD slot, you can purchase adapters separately. SD adapters enable you to connect your microSD card to SD or USB slots, for example, in PCs and laptops.

What is capacity?

Memory card capacity represents the amount of data that can be stored on the card. This is given in MB or GB, for example 4GB. Larger capacity memory cards tend to be more expensive. Therefore you should choose a card which is suitable for the amount of data you wish to store.

What is SDUC/SDXC/SDHC?

  • microSDUC stands for Secure Digital Ultra Capacity. This supports memory cards up to 128TB.
  • microSDXC stands for Secure Digital eXtended Capacity. SDXC cards support up to 2TB.
  • microSDHC stands for Secure Digital High Capacity. SDHC card refers to SD cards which have a higher storage capacity, usually over 4GB.

What is Speed Class?

Speed class is a standard developed by the SD association. Speed Class, UH Speed Class and Video Speed Class are given to indicate the minimum writing speed of a memory card. They include:

  • Speed Class - 2, 4, 6, 10
  • UH Speed Class - UHS-I, UHS-3
  • Video Speed Class - V6, V10, V30, V60, V90


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Description Price Card Format Capacity Industrial Adapter Included Speed Class Rating Nand Type Temperature Range
RS Stock No. 180-1638
Mfr. Part No.THN-M203K0320EA
BrandToshiba
HK$114.73
Each
units
MicroSD 32 GB - - Class 10, UHS-1 U1 - -25 +85°C
RS Stock No. 180-1637
Mfr. Part No.THN-M203K0160EA
BrandToshiba
HK$56.61
Each
units
MicroSD 16 GB - - Class 10, UHS-1 U1 - -25 +85°C
RS Stock No. 180-1641
Mfr. Part No.THN-M203K2560EA
BrandToshiba
HK$1,123.18
Each
units
MicroSD 256 GB - - Class 10, UHS-1 U1 - -25 +85°C
RS Stock No. 180-1644
Mfr. Part No.THN-M303R2560E2
BrandToshiba
HK$1,058.49
Each
units
MicroSD 256 GB - - Class 10, UHS-1 U3 - -25 +85°C
RS Stock No. 180-1643
Mfr. Part No.THN-M303R1280E2
BrandToshiba
HK$531.50
Each
units
MicroSD 128 GB - - Class 10, UHS-1 U3 - -25 +85°C
RS Stock No. 180-1642
Mfr. Part No.THN-M303R0640E2
BrandToshiba
HK$364.02
Each
units
MicroSD 64 GB - - Class 10, UHS-3 - -25 +85°C
RS Stock No. 180-1640
Mfr. Part No.THN-M203K1280EA
BrandToshiba
HK$447.33
Each
units
MicroSD 128 GB - - Class 10, UHS-1 U1 - -25 +85°C
RS Stock No. 180-1639
Mfr. Part No.THN-M203K0640EA
BrandToshiba
HK$218.14
Each
units
MicroSD 64 GB - - Class 10, UHS-1 U1 - -25 +85°C