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. 124-9657
Mfr. Part No.TS8GSDHC10I
BrandTranscend
TWD663.00
Each
units
SDHC 8 GB Yes Class 10 MLC - -40 → +85°C -
RS Stock No. 758-2607
Mfr. Part No.TS8GUSDHC10
BrandTranscend
TWD278.00
Each
units
MicroSDHC 8 GB - Class 10 MLC - - -
RS Stock No. 758-2580
Mfr. Part No.TS64GSDXC10
BrandTranscend
TWD1,085.00
Each
units
SDXC 64 GB - Class 10 MLC - - -
RS Stock No. 759-5586
Mfr. Part No.SDC10G2/16GB
BrandKingston
TWD269.00
Each
units
MicroSDHC 16 GB - Class 10 SLC - - -
RS Stock No. 758-2587
Mfr. Part No.TS32GSDHC10
BrandTranscend
TWD621.00
Each
units
SDHC 32 GB - Class 10 MLC - - -
RS Stock No. 758-2574
Mfr. Part No.TS8GSDHC10
BrandTranscend
TWD406.00
Each
units
SDHC 8 GB - Class 10 MLC - - -
RS Stock No. 758-2578
Mfr. Part No.TS16GSDHC10
BrandTranscend
TWD409.00
Each
units
SDHC 16 GB - Class 10 MLC - - -
RS Stock No. 758-2556
Mfr. Part No.TS4GSDHC4
BrandTranscend
TWD251.00
Each
units
SDHC 4 GB - Class 4 MLC - - -
RS Stock No. 758-2600
Mfr. Part No.TS32GUSDC4
BrandTranscend
TWD545.00
Each
units
MicroSDHC 32 GB - Class 4 MLC - - -
RS Stock No. 758-2571
Mfr. Part No.TS4GSDHC10
BrandTranscend
TWD376.00
Each
units
SDHC 4 GB - Class 10 MLC - - -
RS Stock No. 124-9630
Mfr. Part No.TS128GSDU3
BrandTranscend
TWD3,161.00
Each
units
SDXC 128 GB - Class 10, UHS-1 U3 MLC - -25 → +85°C -
RS Stock No. 124-9655
Mfr. Part No.TS32GSDHC10M
BrandTranscend
TWD1,344.00
Each
units
SDHC 32 GB Yes Class 10 MLC - -25 → +85°C -
New
RS Stock No. 194-7447
Mfr. Part No.AF32GSD4-BBBIM
BrandATP
TWD1,516.00
Each
units
SD 32 GB Yes 10 3D TLC S600Si -40 +85°C -
New
RS Stock No. 194-7448
Mfr. Part No.AF64GSD4-BBBIM
BrandATP
TWD2,268.00
Each
units
SD 64 GB Yes 10 3D TLC S600Si -40 +85°C -
RS Stock No. 914-5109
Mfr. Part No.LSD128CRBEU2000R
BrandLexar
TWD9,345.00
Each
units
SDXC 128 GB - Class 10 SLC 2000x - -
New
RS Stock No. 189-7900
Mfr. Part No.LSD256B667
BrandLexar
TWD4,150.00
Each
units
SDXC 256 GB - Class 10, UHS I (U3) - - +0 → +70°C -
New
RS Stock No. 189-7903
Mfr. Part No.LSD256CB1667
BrandLexar
TWD7,012.00
Each
units
SDXC 256 GB - Class 10, UHS II (U3) - - +0 → +70°C -
RS Stock No. 146-5568
Mfr. Part No.AF1GSDI-ZADXM
BrandATP
TWD826.00
Each
units
SD 1 GB Yes Class 6 SLC - -40 → +85°C -
RS Stock No. 186-4668
Mfr. Part No.TS8GSDU1
BrandTranscend
TWD370.00
Each
units
SDHC, SDXC 8 GB - Class 10, UHS-I - - -25 → +85°C -
New
RS Stock No. 194-7449
Mfr. Part No.AF128GSD4-BBBIM
BrandATP
TWD4,150.00
Each
units
SD 128 GB Yes 10 3D TLC S600Si -40 +85°C -