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 Speed Class Rating Nand Type Temperature Range
RS Stock No. 758-2584
Mfr. Part No.TS2GUSDC
BrandTranscend
$23.14
Each
units
MicroSD 2 GB - - MLC -
RS Stock No. 877-5557
Mfr. Part No.44082
BrandVerbatim
$28.92
Each
units
MicroSDHC 16 GB - Class 10, UHS-1 U1 - -
RS Stock No. 124-9640
Mfr. Part No.TS16GUSDCU1
BrandTranscend
$20.24
Each
units
MicroSDHC 16 GB - Class 10, UHS-1 U1 - -25 → +85°C
RS Stock No. 124-9639
Mfr. Part No.TS8GUSDCU1
BrandTranscend
$20.67
Each
units
MicroSDHC 8 GB - Class 10, UHS-1 U1 - -25 → +85°C
RS Stock No. 124-9634
Mfr. Part No.TS8GUSDU1
BrandTranscend
$19.54
Each
units
MicroSDHC 8 GB - Class 10, UHS-1 U1 - -25 → +85°C
RS Stock No. 126-1734
Mfr. Part No.LSDMI16GBBEU633A
BrandLexar
$27.32
Each
units
MicroSDHC 16 GB No Class 10, UHS-1 U1 - -
RS Stock No. 126-4363
Mfr. Part No.SDCIT/8GB
BrandKingston
$31.72
Each
units
MicroSDHC 8 GB Yes Class 10, UHS-1 U1 MLC -40 → +85°C
RS Stock No. 758-2603
Mfr. Part No.TS4GUSDHC10
BrandTranscend
$23.79
Each
units
MicroSDHC 4 GB - Class 10 MLC -
RS Stock No. 111-3177
Mfr. Part No.LSDMI16GBB1EU300A
BrandLexar
$22.28
Each
units
MicroSDHC 16 GB - Class 10, UHS-1 U1 - -
RS Stock No. 126-1737
Mfr. Part No.LSDMI128BBEU633A
BrandLexar
$128.40
Each
units
MicroSDXC 128 GB Yes Class 10, UHS-1 U1 - -
RS Stock No. 146-5582
Mfr. Part No.AF2GUDI-ZAEXM
BrandATP
$82.88
Each
units
MicroSD 2 GB Yes Class 6 SLC -40 → +85°C
RS Stock No. 124-9638
Mfr. Part No.TS128GUSDU1
BrandTranscend
$161.86
Each
units
MicroSDXC 128 GB - Class 10, UHS-1 U1 - -25 → +85°C
RS Stock No. 146-5590
Mfr. Part No.AF16GUD3A-WAAIX
BrandATP
$151.77
Each
units
MicroSDHC 16 GB Yes Class 10, UHS-1 U1 aMLC -40 → +85°C
RS Stock No. 123-9686
Mfr. Part No.47042
BrandVerbatim
$109.80
Each
units
SDHC 64 GB - Class 10, UHS-1 U3 - -
RS Stock No. 146-5583
Mfr. Part No.AF4GUDI-WACXM
BrandATP
$134.51
Each
units
MicroSDHC 4 GB Yes Class 10, UHS-1 U1 SLC -40 +85°C
RS Stock No. 123-9684
Mfr. Part No.44034
BrandVerbatim
$122.32
Each
units
MicroSDHC 64 GB - Class 10, UHS-1 U3 - -
RS Stock No. 126-1739
Mfr. Part No.LSDMI256BEU633R
BrandLexar
$720.09
Each
units
MicroSDXC 256 GB Yes Class 10, UHS-1 U1 - -
RS Stock No. 144-8057
Mfr. Part No.DS2M-02GI81AW2ST
BrandInnoDisk
$88.02
Each
units
MicroSD 2 GB Yes Class 10 SLC -40 → +85°C
RS Stock No. 124-9641
Mfr. Part No.TS32GUSDCU1
BrandTranscend
$46.09
Each
units
MicroSDHC 32 GB - Class 10, UHS-1 U1 - -25 → +85°C
RS Stock No. 146-5581
Mfr. Part No.AF1GUDI-ZADXM
BrandATP
$39.02
Each
units
MicroSD 1 GB Yes Class 6 SLC -40 → +85°C
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