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. 183-9384
Mfr. Part No.DESDC-08GY81BC3SC
BrandInnoDisk
SGD36.52
Each
units
SDHC 8 GB Yes Class 10 MLC 3ME -20 → +85°C -
RS Stock No. 187-4668
Mfr. Part No.AF2GUDI-ZAFXM
BrandATP
SGD64.46
Each
units
MicroSD 2 GB Yes Class 10, UHS-1 U1 SLC - -40 → +85°C -
RS Stock No. 186-4668
Mfr. Part No.TS8GSDU1
BrandTranscend
SGD15.80
Each
units
SDHC, SDXC 8 GB - Class 10, UHS-I - - -25 → +85°C -
RS Stock No. 146-5583
Mfr. Part No.AF4GUDI-WACXM
BrandATP
SGD105.24
Each
units
MicroSDHC 4 GB Yes Class 10, UHS-1 U1 SLC - -40 → +85°C -
RS Stock No. 180-5793
Mfr. Part No.INMSDH16G10-90U1
SGD12.60
Each
units
MicroSDXC 16 GB - Class 10 - - 0 → +60°C -
RS Stock No. 123-9686
Mfr. Part No.47042
BrandVerbatim
SGD88.99
Each
units
SDHC 64 GB - Class 10, UHS-1 U3 - Pro - -
RS Stock No. 183-9400
Mfr. Part No.AF16GSD3A-WAAXM
BrandATP
SGD103.49
Each
units
SDHC 16 GB Yes Class 10, UHS-1 U1 SLC S700Sc -25 → +85°C -
New
RS Stock No. 188-4766
Mfr. Part No.47021
BrandVerbatim
SGD38.92
Each
units
SDHC 32 GB - Class 3 - - - -
RS Stock No. 124-9625
Mfr. Part No.TS16GSDHC10U1
BrandTranscend
SGD30.23
Each
units
SDHC 16 GB - Class 10, UHS-1 U1 MLC - -25 → +85°C -
RS Stock No. 187-4667
Mfr. Part No.AF1GUDI-ZAEXM
BrandATP
SGD36.77
Each
units
MicroSD 1 GB Yes Class 10, UHS-1 U1 SLC - -40 → +85°C -
New
RS Stock No. 189-7907
Mfr. Part No.LSD32GCB1000
BrandLexar
SGD42.04
Each
units
SDHC 32 GB - Class 10, Class 3, UHS-II - Professional - -
RS Stock No. 111-3179
Mfr. Part No.LSDMI64GB1EU300A
BrandLexar
SGD57.35
Each
units
MicroSDXC 64 GB - Class 10, UHS-1 U1 - 300x - -
RS Stock No. 183-9385
Mfr. Part No.DESDC-16GY81BC3SC
BrandInnoDisk
SGD49.58
Each
units
SDHC 16 GB Yes Class 10 MLC 3ME -20 → +85°C -
RS Stock No. 758-2607
Mfr. Part No.TS8GUSDHC10
BrandTranscend
SGD15.04
Each
units
MicroSDHC 8 GB - Class 10 MLC - - -
RS Stock No. 183-9401
Mfr. Part No.AF32GSD3A-WAAXM
BrandATP
SGD192.96
Each
units
SDHC 32 GB Yes Class 10, UHS-1 U1 SLC S700Sc -25 → +85°C -
RS Stock No. 180-5801
Mfr. Part No.INIMSD8GPSLC
SGD62.28
Each
units
MicroSDHC 8 GB Yes UHS-1 SLC - -40 → +85°C -
New
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 -
New
RS Stock No. 195-8358
Mfr. Part No.AF512UDI-5AFXM
BrandKingston
SGD25.14
Each
units
MicroSD 512 MB Yes HS SLC S800Pi -40 +85°C -
RS Stock No. 144-8026
Mfr. Part No.DESDC-64GY81BW3SC
BrandInnoDisk
SGD158.79
Each
units
SD 64 GB Yes Class 10 MLC - -40 → +85°C -
RS Stock No. 180-1643
Mfr. Part No.THN-M303R1280E2
BrandToshiba
SGD91.45
Each
units
MicroSD 128 GB - Class 10, UHS-1 U3 - M303 -25 → +85°C -
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