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. 187-3619
Mfr. Part No.SDCE/128GB
BrandKingston
SGD71.98
Each
units
MicroSD 128 GB - - Class 10, UHS-1 U1 TLC -25 +85°C
RS Stock No. 180-5883
Mfr. Part No.INSDX64G10-DSCAM
SGD76.92
Each
units
SDXC 64 GB - - Class 10, UHS-1 U3 - -30 +80°C
RS Stock No. 175-7508
Mfr. Part No.MB-MJ32GA/EU
BrandSamsung
SGD46.54
Each
units
MicroSD 32 GB - - - - -
RS Stock No. 187-1640
Mfr. Part No.TS32GUSD300S-A
BrandTranscend
SGD16.92
Each
units
- 32 GB - - Class 10 TLC -25 → +85°C
RS Stock No. 146-5586
Mfr. Part No.AF16GUD3-WAAIX
BrandATP
SGD55.42
Each
units
MicroSDHC 16 GB Yes - Class 10, UHS-1 U1 MLC -40 → +85°C
New
RS Stock No. 195-8341
Mfr. Part No.SDCS2/32GB
BrandKingston
SGD11.04
Each
units
MicroSD 32 GB - - Class 10, UHS-I - -25 → +85°C
RS Stock No. 124-9644
Mfr. Part No.TS32GUSDHC10U1
BrandTranscend
SGD56.64
Each
units
MicroSDHC 32 GB - - Class 10, UHS-1 U1 MLC -25 → +85°C
RS Stock No. 180-5897
Mfr. Part No.INMSDX64G-100/70V30
SGD29.04
Each
units
MicroSDXC 64 GB - - Class 10, UHS-1 U3 - -25 +70°C
RS Stock No. 183-9389
Mfr. Part No.AF32GUD3-WAAXX
BrandATP
SGD99.73
Each
units
MicroSDHC 32 GB Yes - Class 10, UHS-1 U1 MLC -25 +85°C
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