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SD Cards

SD cards, short for secure digital cards, are removable, compact memory cards used for data storage in portable devices such as digital cameras. Some PCs and laptops come with an SD card slot or you can purchase a card adapter separately. The most compact of the SD card family is the Micro SD card sometimes referred to as microSD which is used in small devices such as smartphones.

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 it in. Each SD memory card will have a capacity size in GB or MB which 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. With most SBCs, including Raspberry Pi, they run their OS from an SD Card. To shop Raspberry Pi micro SD cards preloaded with NOOBS, visit our sister site OKdo for all things Raspberry Pi and SBC.

What is SDUC/SDXC/SDHC?

SDUC/ microSDUC stands for Secure Digital Ultra Capacity. This supports memory cards up to 128TB.
SDXC/ microSDXC stands for Secure Digital eXtended Capacity. SDXC cards support up to 2TB.
SDHC/ microSDHC 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

585 Products showing for SD Cards

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Currently unavailable Eaton 256000 kB Industrial Grade SD SD Card RS stock no. 273-6437 Mfr. Part No. 139807 MEMORY-SD-A1-S Subtotal (1 unit) R 1 464,75(exc. VAT) R 1 464,75/unit Quantity	Eaton	Industrial Grade	256000kB	SD Card	-	SD	-	-	-	-	-	-	50°C	0°C	-	-	-	IEC/EN 61439
In Stock Transcend 32 GB SDHC SD Card, Class 10 RS stock no. 187-1622 Mfr. Part No. TS32GSDC500S Subtotal (1 unit) R 3 437,31(exc. VAT) R 3 437,31/unit Quantity	Transcend	-	32GB	SD Card	-	SDHC	500S	-	Class 10	-	No	-	85°C	-25°C	-	MLC	-	BSMI, FCC, RoHS, CE
In Stock Transcend 16 GB SDHC SD Card, UHS 1 U1, Class 10 RS stock no. 124-9625 Mfr. Part No. TS16GSDHC10U1 Subtotal (1 unit) R 1 495,04(exc. VAT) R 1 495,04/unit Quantity	Transcend	-	16GB	SD Card	-	SDHC	Ultimate	-	UHS 1 U1, Class 10	-	-	600x	-25°C	-25°C	-	MLC	-	BSMI, RoHS, CE, FCC
In Stock Transcend SDHC SD Card, U1, A1 RS stock no. 240-5529 Mfr. Part No. TS32GSDC420T Subtotal (1 unit) R 1 275,52(exc. VAT) R 1 275,52/unit Quantity	Transcend	-	-	SD Card	-	SDHC	420T	-	U1, A1	-	No	-	85°C	25°C	-	3D NAND	-	CE/FCC
In Stock Transcend 32 GB MicroSD microSD, Class 10 RS stock no. 187-1640 Mfr. Part No. TS32GUSD300S-A Subtotal (1 unit) R 900,56(exc. VAT) R 900,56/unit Quantity	Transcend	-	32GB	microSD	-	MicroSD	-	-	Class 10	-	-	-	85°C	-25°C	-	TLC	-	CE
In Stock Transcend 16 GB MicroSD microSD, Class 10 RS stock no. 187-1722 Mfr. Part No. TS16GUSDC10 Subtotal (1 unit) R 1 118,05(exc. VAT) R 1 118,05/unit Quantity	Transcend	-	16GB	microSD	-	MicroSD	-	-	Class 10	-	Yes	-	85°C	-25°C	-	-	-	CE
In Stock Transcend 16 GB MicroSD microSD, Class 10 RS stock no. 187-1725 Mfr. Part No. TS16GUSDHC10 Subtotal (1 unit) R 1 145,28(exc. VAT) R 1 145,28/unit Quantity	Transcend	-	16GB	microSD	-	MicroSD	-	-	Class 10	-	Yes	-	85°C	-25°C	-	-	-	CE
In Stock Transcend 128 MB Industrial Grade SD Flash Card SD Card RS stock no. 262-9691 Mfr. Part No. TS128MSDC220I Subtotal (1 unit) R 1 938,56(exc. VAT) R 1 938,56/unit Quantity	Transcend	Industrial Grade	128MB	SD Card	-	SD Flash Card	SDC220I	-	-	-	-	-	85°C	-40°C	-	SuperMLC	-	BSMI, RoHS 2.0, FCC, CE, UKCA
In Stock Transcend 256 MB Industrial Grade SD Flash Card SD Card RS stock no. 262-9729 Mfr. Part No. TS256MSDC220I Subtotal (1 unit) R 2 013,03(exc. VAT) R 2 013,03/unit Quantity	Transcend	Industrial Grade	256MB	SD Card	-	SD Flash Card	SDC220I	-	-	-	-	-	85°C	-40°C	-	SuperMLC	-	No
Temporarily out of stock Transcend 8 GB MicroSDHC microSD, UHS I U3, UHS I U1, Class 10 RS stock no. 186-4645 Mfr. Part No. TS8GUSD500S Subtotal (1 unit) R 1 290,83(exc. VAT) R 1 290,83/unit Quantity	Transcend	-	8GB	microSD	-	MicroSDHC	-	-	UHS I U3, UHS I U1, Class 10	-	Yes	-	85°C	-25°C	-	MLC	-	No
Currently unavailable Transcend 4 GB SDHC SD Card, Class 4 RS stock no. 758-2556 Mfr. Part No. TS4GSDHC4 Subtotal (1 unit) R 852,91(exc. VAT) R 852,91/unit Quantity	Transcend	-	4GB	SD Card	-	SDHC	-	-	Class 4	-	-	-	85°C	-25°C	-	MLC	-	CE, RoHS, BSMI, FCC
Supply shortage ATP 256 GB Industrial Grade SD SD Card, UHS-I RS stock no. 254-8269 Mfr. Part No. AF128GSD4-EBAIM Subtotal (1 unit) R 1 799,20(exc. VAT) R 1 799,20/unit Quantity	ATP	Industrial Grade	256GB	SD Card	-	SD	S650Si	-	UHS-I	-	No	-	85°C	-40°C	-	3D TLC	-	RoHS, UKCA, CE, FCC
Temporarily out of stock Brand-Rex 8 GB MicroSD SD Card, Class 4 RS stock no. 106-992 Mfr. Part No. MIKROE-1283 Subtotal (1 unit) R 313,86(exc. VAT) R 313,86/unit Quantity	Brand-Rex	-	8GB	SD Card	-	MicroSD	MIKROE	-	Class 4	-	Yes	-	-	-	-	-	-	RoHS
In Stock Transcend 8 GB SDHC SD Card, UHS 1 U1, Class 10 RS stock no. 124-9624 Mfr. Part No. TS8GSDHC10U1 Subtotal (1 unit) R 1 181,92(exc. VAT) R 1 181,92/unit Quantity	Transcend	-	8GB	SD Card	-	SDHC	Ultimate	-	UHS 1 U1, Class 10	-	-	600x	85°C	-25°C	-	MLC	-	FCC, BSMI, RoHS, CE
In Stock Transcend 4 GB SDHC SD Card, Class 10 RS stock no. 758-2571 Mfr. Part No. TS4GSDHC10 Subtotal (1 unit) R 1 004,60(exc. VAT) R 1 004,60/unit Quantity	Transcend	-	4GB	SD Card	-	SDHC	-	-	Class 10	-	-	200x	85°C	-25°C	-	MLC	-	CE
In Stock Transcend Industrial Grade MicroSD, SDHC microSD, Class 10 UHS I RS stock no. 240-5512 Mfr. Part No. TS2GUSD410M Subtotal (1 unit) R 939,71(exc. VAT) R 939,71/unit Quantity	Transcend	Industrial Grade	-	microSD	-	MicroSD, SDHC	USD410M	-	Class 10 UHS I	-	No	-	85°C	-25°C	-	MLC	-	RoHS 2.0 standards, SD specification 5.1, Application Performance Class 1 (A1)
Currently unavailable Samsung 1 TB MicroSDXC Micro SD Card, Class 10 RS stock no. 566-942 Mfr. Part No. MB-MD1T0SA/EU Subtotal (1 unit) R 7 352,58(exc. VAT) R 7 352,58/unit Quantity	Samsung	-	1TB	Micro SD Card	-	MicroSDXC	PRO Plus	-	Class 10	-	-	-	85°C	-25°C	-	-	-	FCC, UKCA, CE
Temporarily out of stock WAGO 8 GB Industrial Grade SD SD Card, 45 Mb/s Write, 50 Mb/s Read RS stock no. 279-3354 Mfr. Part No. 758-879/000-2108 Subtotal (1 unit) R 2 809,42(exc. VAT) R 2 809,42/unit Quantity	WAGO	Industrial Grade	8GB	SD Card	-	SD	758-879	-	45 Mb/s Write, 50 Mb/s Read	-	-	-	90°C	-40°C	-	-	-	EAC RU C-DE.AM02.B.00087/19
In Stock Transcend Industrial Grade SDXC SD Card, UHS I U3 RS stock no. 244-9983 Mfr. Part No. TS128GSDC340S Subtotal (1 unit) R 2 602,31(exc. VAT) R 2 602,31/unit Quantity	Transcend	Industrial Grade	-	SD Card	-	SDXC	460T	-	UHS I U3	-	No	-	85°C	25°C	-	3D NAND	-	No
Supply shortage ATP 128 GB Industrial Grade SD SD Card, 10 RS stock no. 194-7449 Mfr. Part No. AF128GSD4-BBBIM Subtotal (1 unit) R 2 090,09(exc. VAT) R 2 090,09/unit Quantity	ATP	Industrial Grade	128GB	SD Card	-	SD	S600Si	-	10	-	-	-	-40°C	-40°C	-	3D TLC	-	RoHS