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. 877-5553
Mfr. Part No.44083
BrandVerbatim
HK$107.12
Each
units
MicroSDHC 32 GB - - Class 10, UHS-1 U1 - -
RS Stock No. 187-1632
Mfr. Part No.TS16GUSD500S
BrandTranscend
HK$172.27
Each
units
- 16 GB - - Class 10 MLC -25 → +85°C
RS Stock No. 758-2590
Mfr. Part No.TS16GUSDC4
BrandTranscend
HK$88.80
Each
units
MicroSDHC 16 GB - - Class 4 MLC -
RS Stock No. 187-1633
Mfr. Part No.TS32GUSD500S
BrandTranscend
HK$325.77
Each
units
- 32 GB - - Class 10 MLC -25 → +85°C
RS Stock No. 187-1638
Mfr. Part No.TS128GUSD300S
BrandTranscend
HK$323.10
Each
units
- 128 GB - - Class 10 TLC -25 → +85°C
RS Stock No. 187-1723
Mfr. Part No.TS32GUSDC10
BrandTranscend
HK$126.48
Each
units
- 32 GB - - Class 10 - -25 → +85°C
RS Stock No. 187-1642
Mfr. Part No.TS256GUSD300S-A
BrandTranscend
HK$643.41
Each
units
- 256 GB - - Class 10 TLC -25 → +85°C
RS Stock No. 195-8344
Mfr. Part No.SDCS2/256GB
BrandKingston
HK$740.25
Each
units
MicroSD 256 GB - - Class 10, UHS-I - -25 → +85°C
RS Stock No. 758-2593
Mfr. Part No.TS4GUSDC4
BrandTranscend
HK$86.14
Each
units
MicroSDHC 4 GB - - Class 4 MLC -
RS Stock No. 174-7343
Mfr. Part No.SDSQUAR-256G-GN6MA
BrandSandisk
HK$2,005.23
Each
units
MicroSDXC 256 GB - - Class 10, UHS-1 U1 - -25 → +85°C
RS Stock No. 180-5796
Mfr. Part No.INMSDX64G10-90U1
HK$127.89
Each
units
MicroSDXC 64 GB - - Class 10 - 0 → +60°C
RS Stock No. 144-9019
Mfr. Part No.MB-MC128GA/EU
BrandSamsung
HK$497.04
Each
units
MicroSDXC 128 GB - - Class 10, UHS-1 U3 - -25 → +85°C
RS Stock No. 180-5817
Mfr. Part No.INMSDX128G10-90U1
HK$326.13
Each
units
MicroSDXC 128 GB - - Class 10 - 0 → +60°C
RS Stock No. 203-5409
Mfr. Part No.MLPMR2/256GB
BrandKingston
HK$3,316.34
Each
units
MicroSDXC 256 GB No - Class 10 3D TLC -
RS Stock No. 187-1634
Mfr. Part No.TS128GUSD500S
BrandTranscend
HK$2,331.36
Each
units
- 128 GB - - Class 10 MLC -25 → +85°C
New
RS Stock No. 206-9282
Mfr. Part No.DESDM-64GE21SWASK
BrandInnoDisk
HK$1,880.61
Each
units
MicroSDXC 64 GB Yes - Class 10, U1, UHS-I MLC -
RS Stock No. 180-5895
Mfr. Part No.INMSDH32G-100V10
HK$74.80
Each
units
MicroSDXC 32 GB - - Class 10, UHS-1 U1 - -25 → +70°C
New
RS Stock No. 206-9277
Mfr. Part No.DESDM-08GE21SWASK
BrandInnoDisk
HK$272.45
Each
units
MicroSDHC 8 GB Yes - Class 10, U1, UHS-I MLC -
RS Stock No. 174-7344
Mfr. Part No.SDSQUAR-400G-GN6MA
BrandSandisk
HK$3,383.77
Each
units
MicroSDXC 400 GB - - Class 10, UHS-1 U1 - -25 → +85°C
RS Stock No. 186-4650
Mfr. Part No.TS64GUSD300S-A
BrandTranscend
HK$170.73
Each
units
MicroSDXC 64 GB - - A1, Class 10, UHS-I U1, UHS-I U3, V30 TLC -25 → +85°C