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
TWD687.00
Each
units
SDHC 8 GB Yes Class 10 MLC - -40 → +85°C -
RS Stock No. 758-2580
Mfr. Part No.TS64GSDXC10
BrandTranscend
TWD1,085.00
Each
units
SDXC 64 GB - Class 10 MLC - - -
RS Stock No. 758-2574
Mfr. Part No.TS8GSDHC10
BrandTranscend
TWD456.00
Each
units
SDHC 8 GB - Class 10 MLC - - -
RS Stock No. 758-2587
Mfr. Part No.TS32GSDHC10
BrandTranscend
TWD621.00
Each
units
SDHC 32 GB - Class 10 MLC - - -
RS Stock No. 124-9630
Mfr. Part No.TS128GSDU3
BrandTranscend
TWD3,558.00
Each
units
SDXC 128 GB - Class 10, UHS-1 U3 MLC - -25 → +85°C -
RS Stock No. 758-2571
Mfr. Part No.TS4GSDHC10
BrandTranscend
TWD425.00
Each
units
SDHC 4 GB - Class 10 MLC - - -
RS Stock No. 758-2556
Mfr. Part No.TS4GSDHC4
BrandTranscend
TWD343.00
Each
units
SDHC 4 GB - Class 4 MLC - - -
RS Stock No. 758-2578
Mfr. Part No.TS16GSDHC10
BrandTranscend
TWD467.00
Each
units
SDHC 16 GB - Class 10 MLC - - -
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 -
RS Stock No. 144-8088
Mfr. Part No.DS2A-02GI81W1B
BrandInnoDisk
TWD1,895.00
Each
units
SD 2 GB Yes Class 6 SLC - -40 → +85°C -
New
RS Stock No. 189-7904
Mfr. Part No.LSDMI64GB667A
BrandLexar
TWD1,177.00
Each
units
MicroSDXC 64 GB - Class 10, UHS I (U3) - - +0 → +70°C -
RS Stock No. 144-8089
Mfr. Part No.DS2A-04GI81W1B
BrandInnoDisk
TWD2,854.00
Each
units
SD 4 GB Yes Class 10 SLC - -40 → +85°C -
RS Stock No. 187-1714
Mfr. Part No.TS128GSDXC10
BrandTranscend
TWD1,336.00
Each
units
- 128 GB - Class 10 - - -25 → +85°C -
RS Stock No. 144-1000
Mfr. Part No.THN-N302R0160E4
BrandToshiba
TWD407.00
Each
units
SD 16 GB - Class 10 - - - -
New
RS Stock No. 189-7905
Mfr. Part No.LSDMI128B667A
BrandLexar
TWD1,919.00
Each
units
MicroSDXC 128 GB - Class 10, UHS I (U3) - - +0 → +70°C -
RS Stock No. 187-4806
Mfr. Part No.MZ-76Q4T0BW
BrandSamsung
TWD32,123.00
Each
units
- 4 TB - - MLC - 0 → +70°C -
RS Stock No. 144-8090
Mfr. Part No.DS2A-08GI81W1B
BrandInnoDisk
TWD5,186.00
Each
units
MicroSDHC 8 GB Yes Class 10 SLC - -40 → +85°C -
RS Stock No. 183-9400
Mfr. Part No.AF16GSD3A-WAAXM
BrandATP
TWD2,427.00
Each
units
SDHC 16 GB Yes Class 10, UHS-1 U1 SLC S700Sc -25 → +85°C -
RS Stock No. 750-4795
Mfr. Part No.43962
BrandVerbatim
TWD536.00
Each
units
SDHC 16 GB - Class 10 - - - -
RS Stock No. 173-9498
Mfr. Part No.TS8GSDHC100I
BrandTranscend
TWD4,602.00
Each
units
SD 8 GB Yes Class 10 SLC - -40 → +85°C -