SD Cards

SD cards, short for secure digital cards, are compact memory cards commonly used for storage in portable devices.


What does an SD card do?


Like most portable devices, a memory card allows you to carry your files and media with you. They are removable cards which store data from a device such as a digital camera or smartphone. Some PCs and laptops come with an SD card slot too, or you can purchase a card adapter separately. The compact nature of the card makes it easy to integrate into portable devices.


What size are SD cards?


SD cards come in three different physical sizes, standard, mini and micro. The size you choose depends on which device you plan to use and what card it can be used with.


Each SD memory card will have a capacity size too, given in GB or MB. This refers to the amount of data that can be stored on the card. Larger capacities will be more expensive so it is best to choose an SD memory card that meets your storage needs.


Why would you need an SD card?


Most devices today come with built-in memory storage to a certain capacity. However, it is very easy to use their internal memory up, and that is where SD cards are useful. They add-on to your personal device that can greatly boost the amount of media you can store at one time. You will not have to worry about having to delete important photos from your camera, or music from your smartphone. You can keep adding more to your library.


What is SDUC/SDXC/SDHC?


  • SDUC stands for Secure Digital Ultra Capacity. This supports memory cards up to 128TB.

  • SDXC stands for Secure Digital eXtended Capacity. SDXC cards support up to 2TB.

  • SDHC 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 Series Temperature Range X Speed Rating
RS Stock No. 183-9394
Mfr. Part No.AF16GSD3-WAEXM
BrandATP
SGD40.98
Each
units
SDHC 16 GB Yes Class 10, UHS-1 U1 MLC S600Sc -25 → +85°C -
RS Stock No. 183-9393
Mfr. Part No.AF8GSD3-WABXM
BrandATP
SGD28.39
Each
units
SDHC 8 GB Yes Class 10, UHS-1 U1 MLC S600Sc -25 → +85°C -
RS Stock No. 146-5569
Mfr. Part No.AF2GSDI-ZAEXM
BrandATP
SGD66.48
Each
units
SD 2 GB Yes Class 6 SLC - -40 → +85°C -
RS Stock No. 146-5573
Mfr. Part No.AF16GSD3-WADIM
BrandATP
SGD51.76
Each
units
SDHC 16 GB Yes Class 10, UHS-1 U1 MLC - -40 → +85°C -
RS Stock No. 173-9494
Mfr. Part No.TS1GSD100I
BrandTranscend
SGD63.79
Each
units
SD 1 GB Yes Class 10 SLC - -40 → +85°C -
RS Stock No. 187-1628
Mfr. Part No.TS32GSDC300S
BrandTranscend
SGD20.81
Each
units
SDHC 32 GB - Class 10 TLC - -25 → +85°C -
RS Stock No. 146-5570
Mfr. Part No.AF4GSDI-WADXM
BrandATP
SGD133.00
Each
units
SDHC 4 GB Yes Class 10, UHS-1 U1 SLC - -40 → +85°C -
RS Stock No. 874-3881
Mfr. Part No.RP-SDFC08DE1
BrandPanasonic
SGD243.39
Each
units
SDHC 8 GB Yes Class 10 SLC FX -40 → +85°C -
RS Stock No. 758-2568
Mfr. Part No.TS16GSDHC4
BrandTranscend
SGD18.49
Each
units
SDHC 16 GB - Class 4 MLC - - -
RS Stock No. 874-3907
Mfr. Part No.RP-SDPC08DE1
BrandPanasonic
SGD58.79
Each
units
SDHC 8 GB - Class 4 MLC P - -
RS Stock No. 188-4765
Mfr. Part No.47022
BrandVerbatim
SGD28.05
Each
units
SDXC 64 GB - Class 3 - - - -
RS Stock No. 146-5571
Mfr. Part No.AF8GSDI-WADXM
BrandATP
SGD260.11
Each
units
SDHC 8 GB Yes Class 10, UHS-1 U1 SLC - -40 → +85°C -
New
RS Stock No. 206-9175
Mfr. Part No.AF16GSD4A-BBBIM
BrandATP
SGD79.22
Each
units
SDHC 16 GB Yes Class 10, U3, UHS-I - S700Pi -40 ? +85°C -
RS Stock No. 144-8089
Mfr. Part No.DS2A-04GI81W1B
BrandInnoDisk
SGD153.67
Each
units
SD 4 GB Yes Class 10 SLC - -40 → +85°C -
RS Stock No. 195-8336
Mfr. Part No.SDS2/64GB
BrandKingston
SGD33.71
Each
units
SD 64 GB - Class 10, UHS-I - - -25 → +85°C -
RS Stock No. 189-7900
Mfr. Part No.LSD256B667
BrandLexar
SGD176.96
Each
units
SDXC 256 GB - Class 10, UHS I (U3) - - +0 → +70°C -
RS Stock No. 187-1626
Mfr. Part No.TS4GSDC300S
BrandTranscend
SGD15.71
Each
units
SD 4 GB - Class 10 TLC - -25 → +85°C -
RS Stock No. 146-5572
Mfr. Part No.AF8GSD3-WABIX
BrandATP
SGD37.91
Each
units
SDHC 8 GB Yes Class 10, UHS-1 U1 MLC - -40 → +85°C -
RS Stock No. 144-8088
Mfr. Part No.DS2A-02GI81W1B
BrandInnoDisk
SGD95.94
Each
units
SD 2 GB Yes Class 6 SLC - -40 → +85°C -
RS Stock No. 194-7449
Mfr. Part No.AF128GSD4-BBBIM
BrandATP
SGD145.00
Each
units
SD 128 GB Yes 10 3D TLC S600Si -40 → +85°C -