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. 758-2552
Mfr. Part No.TS2GSDC
BrandTranscend
SGD20.48
Each
units
SD 2 GB - Class 1 MLC - - -
RS Stock No. 124-9631
Mfr. Part No.TS256GSDU3
BrandTranscend
SGD375.51
Each
units
SDXC 256 GB - Class 10, UHS-1 U3 MLC - -25 → +85°C -
RS Stock No. 758-2580
Mfr. Part No.TS64GSDXC10
BrandTranscend
SGD124.65
Each
units
SDXC 64 GB - Class 10 MLC - - -
RS Stock No. 124-9624
Mfr. Part No.TS8GSDHC10U1
BrandTranscend
SGD19.61
Each
units
SDHC 8 GB - Class 10, UHS-1 U1 MLC - -25 → +85°C -
RS Stock No. 124-9626
Mfr. Part No.TS32GSDHC10U1
BrandTranscend
SGD46.75
Each
units
SDHC 32 GB - Class 10, UHS-1 U1 MLC - -25 → +85°C -
RS Stock No. 124-9657
Mfr. Part No.TS8GSDHC10I
BrandTranscend
SGD31.95
Each
units
SDHC 8 GB Yes Class 10 MLC - -40 → +85°C -
RS Stock No. 758-2556
Mfr. Part No.TS4GSDHC4
BrandTranscend
SGD16.03
Each
units
SDHC 4 GB - Class 4 MLC - - -
RS Stock No. 758-2574
Mfr. Part No.TS8GSDHC10
BrandTranscend
SGD20.85
Each
units
SDHC 8 GB - Class 10 MLC - - -
RS Stock No. 173-9492
Mfr. Part No.TS256MSD100I
BrandTranscend
SGD47.37
Each
units
SD 256 MB Yes Class 10 SLC - -40 → +85°C -
RS Stock No. 173-9491
Mfr. Part No.TS128MSD100I
BrandTranscend
SGD40.70
Each
units
SD 128 MB Yes Class 10 SLC - -40 → +85°C -
RS Stock No. 173-9482
Mfr. Part No.TS2GCFX520I
BrandTranscend
SGD132.70
Each
units
CFast 2 GB Yes - SLC - -40 → +85°C -
RS Stock No. 124-9627
Mfr. Part No.TS64GSDXC10U1
BrandTranscend
SGD88.61
Each
units
SDXC 64 GB - Class 10, UHS-1 U1 MLC - -25 → +85°C -
RS Stock No. 758-2565
Mfr. Part No.TS8GSDHC4
BrandTranscend
SGD20.04
Each
units
SDHC 8 GB - Class 4 MLC - - -
RS Stock No. 187-1625
Mfr. Part No.TS256GSDC500S
BrandTranscend
SGD334.65
Each
units
- 256 GB - Class 10 MLC - -25 → +85°C -
RS Stock No. 187-1712
Mfr. Part No.TS32GSDU1
BrandTranscend
SGD20.04
Each
units
- 32 GB - Class 10 - - -25 → +85°C -
RS Stock No. 187-1621
Mfr. Part No.TS16GSDC500S
BrandTranscend
SGD24.49
Each
units
- 16 GB - Class 10 MLC - -25 → +85°C -
RS Stock No. 124-9654
Mfr. Part No.TS16GSDHC10M
BrandTranscend
SGD34.73
Each
units
SDHC 16 GB Yes Class 10 MLC - -25 → +85°C -
RS Stock No. 124-9629
Mfr. Part No.TS64GSDU3
BrandTranscend
SGD88.61
Each
units
SDXC 64 GB - Class 10, UHS-1 U3 MLC - -25 → +85°C -
RS Stock No. 187-1627
Mfr. Part No.TS16GSDC300S
BrandTranscend
SGD17.37
Each
units
- 16 GB - Class 10 TLC - -25 → +85°C -
RS Stock No. 186-4668
Mfr. Part No.TS8GSDU1
BrandTranscend
SGD17.37
Each
units
SDHC, SDXC 8 GB - Class 10, UHS-I - - -25 → +85°C -