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. 173-9493
Mfr. Part No.TS512MSD100I
BrandTranscend
SGD45.43
Each
units
SD 512 MB Yes Class 10 SLC - -40 → +85°C -
New
RS Stock No. 195-8336
Mfr. Part No.SDS2/64GB
BrandKingston
SGD23.75
Each
units
SD 64 GB - Class 10, UHS-I - - -25 → +85°C -
RS Stock No. 144-8085
Mfr. Part No.DS2A-256I81W1B
BrandInnoDisk
SGD39.60
Each
units
SD 256 MB Yes Class 6 SLC - -40 → +85°C -
RS Stock No. 144-8025
Mfr. Part No.DESDC-32GY81BW3SC
BrandInnoDisk
SGD116.63
Each
units
SDHC 32 GB Yes Class 10 MLC - -40 → +85°C -
RS Stock No. 187-1627
Mfr. Part No.TS16GSDC300S
BrandTranscend
SGD15.80
Each
units
- 16 GB - Class 10 TLC - -25 → +85°C -
New
RS Stock No. 195-8335
Mfr. Part No.SDS2/32GB
BrandKingston
SGD14.18
Each
units
SD 32 GB - Class 10, UHS-I - - -25 → +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. 186-4643
Mfr. Part No.TS8GSDC300S
BrandTranscend
SGD15.80
Each
units
SDHC, SDXC 8 GB - Class 10 - - -25 → +85°C -
RS Stock No. 146-5571
Mfr. Part No.AF8GSDI-WADXM
BrandATP
SGD240.97
Each
units
SDHC 8 GB Yes Class 10, UHS-1 U1 SLC - -40 → +85°C -
New
RS Stock No. 195-8339
Mfr. Part No.SDS2/512GB
BrandKingston
SGD253.29
Each
units
SD 512 GB - Class 10, UHS-I - - -25 → +85°C -
RS Stock No. 180-5807
Mfr. Part No.INSDH4G10V1
SGD13.40
Each
units
SDHC 4 GB - Class 10 - - 0 → +60°C 200x
RS Stock No. 173-9482
Mfr. Part No.TS2GCFX520I
BrandTranscend
SGD128.47
Each
units
CFast 2 GB Yes - SLC - -40 → +85°C -
RS Stock No. 173-9491
Mfr. Part No.TS128MSD100I
BrandTranscend
SGD39.40
Each
units
SD 128 MB Yes Class 10 SLC - -40 → +85°C -
RS Stock No. 187-4665
Mfr. Part No.AF1GSDI-ZAEXM
BrandATP
SGD41.29
Each
units
SD 1 GB Yes Class 10, UHS-1 U1 SLC - -40 → +85°C -
RS Stock No. 180-5789
Mfr. Part No.INSD2GV2
SGD15.04
Each
units
SD 2 GB - - - - 0 → +60°C -
RS Stock No. 124-9654
Mfr. Part No.TS16GSDHC10M
BrandTranscend
SGD32.44
Each
units
SDHC 16 GB Yes Class 10 MLC - -25 → +85°C -
RS Stock No. 180-5820
Mfr. Part No.INISD32GPSLC
SGD164.08
Each
units
SD 32 GB Yes UHS-1 SLC - -40 → +85°C -
New
RS Stock No. 189-7902
Mfr. Part No.LSD128CB1667
BrandLexar
SGD142.83
Each
units
SDXC 128 GB - Class 10, UHS II (U3) - - +0 → +70°C -
RS Stock No. 180-5811
Mfr. Part No.INSDH16G10-80U1
SGD12.32
Each
units
SDHC 16 GB - Class 10, UHS-1 U1 - - 0 → +70°C -
RS Stock No. 172-9929
Mfr. Part No.SDCS/16GB
BrandKingston
SGD9.32
Each
units
- 16 GB - - - - -25 → +85°C -
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