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. 146-5575
Mfr. Part No.AF64GSD3-WADIM
BrandATP
SGD142.23
Each
units
SDXC 64 GB Yes Class 10, UHS-1 U1 MLC - -40 → +85°C -
New
RS Stock No. 187-3619
Mfr. Part No.SDCE/128GB
BrandKingston
SGD71.98
Each
units
MicroSD 128 GB - Class 10, UHS-1 U1 TLC - -25 → +85°C -
RS Stock No. 146-5574
Mfr. Part No.AF32GSD3-WACIM
BrandATP
SGD74.20
Each
units
SDHC 32 GB Yes Class 10, UHS-1 U1 MLC - -40 → +85°C -
RS Stock No. 180-5817
Mfr. Part No.INMSDX128G10-90U1
SGD56.00
Each
units
MicroSDXC 128 GB - Class 10 - - 0 → +60 -
RS Stock No. 187-4803
Mfr. Part No.MU-PB500B/EU
BrandSamsung
SGD618.38
Each
units
- 500 GB - - - - 0 → +60°C -
RS Stock No. 874-3900
Mfr. Part No.RP-SDPC04DE1
BrandPanasonic
SGD37.17
Each
units
SD 4 GB - Class 4 MLC P - -
RS Stock No. 124-9653
Mfr. Part No.TS8GSDHC10M
BrandTranscend
SGD24.96
Each
units
SDHC 8 GB Yes Class 10 MLC - -25 → +85°C -
RS Stock No. 180-1639
Mfr. Part No.THN-M203K0640EA
BrandToshiba
SGD37.33
Each
units
MicroSD 64 GB - Class 10, UHS-1 U1 - M203 -25 → +85°C -
RS Stock No. 183-9363
Mfr. Part No.DS2A-256I81C1B
BrandInnoDisk
SGD31.50
Each
units
SD 256 MB Yes Class 6 SLC - 0 → +70°C -
RS Stock No. 174-4624
Mfr. Part No.SDR/128GB
BrandKingston
SGD93.59
Each
units
SDXC 128 GB - Class 10, UHS-1 U3 - Canvas React -25 → +85 -
RS Stock No. 144-9017
Mfr. Part No.MB-MC32GA/EU
BrandSamsung
SGD24.25
Each
units
MicroSDHC 32 GB - Class 10 - EVO Plus -25 → +85°C -
RS Stock No. 186-4644
Mfr. Part No.TS64GSDC300S
BrandTranscend
SGD29.36
Each
units
SDXC 64 GB - Class 10, UHS-I U1, UHS-I U3, V30 TLC - -25 → +85°C -
RS Stock No. 146-5570
Mfr. Part No.AF4GSDI-WADXM
BrandATP
SGD109.41
Each
units
SDHC 4 GB Yes Class 10, UHS-1 U1 SLC - -40 → +85°C -
New
RS Stock No. 189-7906
Mfr. Part No.LSDMI256B667A
BrandLexar
SGD165.21
Each
units
MicroSDXC 256 GB - Class 10, UHS I (U3) - - +0 → +70°C -
RS Stock No. 183-9386
Mfr. Part No.DESDC-32GY81BC3SC
BrandInnoDisk
SGD75.24
Each
units
SDHC 32 GB Yes Class 10 MLC 3ME -20 → +85°C -
RS Stock No. 180-5812
Mfr. Part No.INSDH8G4V2
SGD12.68
Each
units
SDHC 8 GB - Class 4 - - 0 → +60 -
RS Stock No. 144-8024
Mfr. Part No.DESDC-16GY81BW3SC
BrandInnoDisk
SGD66.21
Each
units
SDHC 16 GB Yes Class 10 MLC - -40 → +85°C -
RS Stock No. 124-9628
Mfr. Part No.TS128GSDXC10U1
BrandTranscend
SGD125.04
Each
units
SDXC 128 GB - Class 10, UHS-1 U1 MLC - -25 → +85°C -
RS Stock No. 180-5791
Mfr. Part No.INMSDH4G4V2
SGD13.24
Each
units
MicroSDHC 4 GB - Class 4 - - 0 → +60 -
RS Stock No. 865-9102
Mfr. Part No.LSD256CRBEU1000
BrandLexar
SGD427.20
Each
units
SDXC 256 GB - Class 10 SLC 1000x - -
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