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
SGD19.01
Each
units
SD 2 GB - Class 1 MLC - - -
RS Stock No. 750-4798
Mfr. Part No.43963
BrandVerbatim
SGD45.31
Each
units
SDHC 32 GB - Class 10 - - - -
RS Stock No. 750-4802
Mfr. Part No.44013
BrandVerbatim
SGD45.49
Each
units
MicroSDHC 32 GB - Class 10 - - - -
RS Stock No. 914-5089
Mfr. Part No.LSD16GCBEU633
BrandLexar
SGD24.12
Each
units
SDHC 16 GB - Class 10, UHS-1 U1 SLC 633x - -
RS Stock No. 914-5102
Mfr. Part No.LSD32GCRBEU2000R
BrandLexar
SGD142.37
Each
units
SDHC 32 GB - Class 10 SLC 2000x - -
RS Stock No. 914-5109
Mfr. Part No.LSD128CRBEU2000R
BrandLexar
SGD426.49
Each
units
SDXC 128 GB - Class 10 SLC 2000x - -
RS Stock No. 144-8091
Mfr. Part No.DS2A-16GI81W1B
BrandInnoDisk
SGD467.35
Each
units
SDHC 16 GB Yes Class 10 SLC - -40 → +85°C -
RS Stock No. 758-2600
Mfr. Part No.TS32GUSDC4
BrandTranscend
SGD24.14
Each
units
MicroSDHC 32 GB - Class 4 MLC - - -
RS Stock No. 914-5082
Mfr. Part No.LSD32GCBEU633
BrandLexar
SGD34.31
Each
units
SDHC 32 GB - Class 10 SLC 633x - -
RS Stock No. 124-9624
Mfr. Part No.TS8GSDHC10U1
BrandTranscend
SGD17.04
Each
units
SDHC 8 GB - Class 10, UHS-1 U1 MLC - -25 → +85°C -
RS Stock No. 144-8090
Mfr. Part No.DS2A-08GI81W1B
BrandInnoDisk
SGD236.98
Each
units
MicroSDHC 8 GB Yes Class 10 SLC - -40 → +85°C -
RS Stock No. 124-9631
Mfr. Part No.TS256GSDU3
BrandTranscend
SGD337.02
Each
units
SDXC 256 GB - Class 10, UHS-1 U3 MLC - -25 → +85°C -
RS Stock No. 144-8087
Mfr. Part No.DS2A-01GI81W1B
BrandInnoDisk
SGD52.66
Each
units
SD 1 GB Yes Class 6 SLC - -40 → +85°C -
RS Stock No. 124-9626
Mfr. Part No.TS32GSDHC10U1
BrandTranscend
SGD36.38
Each
units
SDHC 32 GB - Class 10, UHS-1 U1 MLC - -25 → +85°C -
RS Stock No. 758-2574
Mfr. Part No.TS8GSDHC10
BrandTranscend
SGD18.52
Each
units
SDHC 8 GB - Class 10 MLC - - -
RS Stock No. 914-5092
Mfr. Part No.LSD512CBEU633
BrandLexar
SGD463.76
Each
units
SDXC 512 GB - Class 10, UHS-1 U3 SLC 633x - -
RS Stock No. 758-2580
Mfr. Part No.TS64GSDXC10
BrandTranscend
SGD52.25
Each
units
SDXC 64 GB - Class 10 MLC - - -
RS Stock No. 874-3893
Mfr. Part No.RP-SDF02GDE1
BrandPanasonic
SGD76.89
Each
units
SD 2 GB Yes Class 10 SLC FX -40 → +85°C -
RS Stock No. 124-9657
Mfr. Part No.TS8GSDHC10I
BrandTranscend
SGD30.22
Each
units
SDHC 8 GB Yes Class 10 MLC - -40 → +85°C -
RS Stock No. 758-2556
Mfr. Part No.TS4GSDHC4
BrandTranscend
SGD15.68
Each
units
SDHC 4 GB - Class 4 MLC - - -
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