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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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In Stock Transcend 8 GB MicroSDHC microSD, Class 10 RS stock no. 758-2607 Mfr. Part No. TS8GUSDHC10 Subtotal (1 unit) R 1 145,73(exc. VAT) R 1 145,73/unit Quantity	Transcend	-	8GB	microSD	-	MicroSDHC	-	-	Class 10	-	Yes	-	85°C	-25°C	-	MLC	-	CE
Supply shortage Exascend 64 GB MicroSDXC Micro SD Card, Class 10 RS stock no. 630-117 Mfr. Part No. EX64GUSDU1-AD Subtotal (1 unit) R 379,20(exc. VAT) R 379,20/unit Quantity	Exascend	-	64GB	Micro SD Card	-	MicroSDXC	Catalyst	-	Class 10	-	Yes	DDR200	85°C	-25°C	-	-	-	RoHS, CE, FCC
Temporarily out of stock Lexar MicroSDXC microSD, Class 10, UHS Speed Class 3 (U3), Video Speed Class 30 (V30) RS stock no. 230-4404 Mfr. Part No. LMS1066064G-BNANG Subtotal (1 unit) R 451,70(exc. VAT) R 451,70/unit Quantity	Lexar	-	-	microSD	-	MicroSDXC	-	-	Class 10, UHS Speed Class 3 (U3), Video Speed Class 30 (V30)	-	Yes	-	-	-	-	TLC	-	RoHS
Currently unavailable Integral Memory 16 GB MicroSDHC microSD, Class 10, UHS 1 U1 RS stock no. 180-5806 Mfr. Part No. INMSDH16G10-90UNI Subtotal (1 unit) R 275,11(exc. VAT) R 275,11/unit Quantity	Integral Memory	-	16GB	microSD	-	MicroSDHC	-	-	Class 10, UHS 1 U1	-	Yes	-	0°C	0°C	-	-	-	No
Currently unavailable Sandisk 128 GB MicroSDXC microSD, UHS 1 U1, Class 10 RS stock no. 174-7340 Mfr. Part No. SDSQUAR-128G-GN6IA Subtotal (1 unit) R 1 433,37(exc. VAT) R 1 433,37/unit Quantity	Sandisk	-	128GB	microSD	-	MicroSDXC	-	-	UHS 1 U1, Class 10	-	-	-	85°C	-25°C	-	-	-	RoHS
In Stock Digilent 8 GB SDXC SD Card, Class 10, UHS II U3 RS stock no. 193-2592 Mfr. Part No. 240-075-1 Subtotal (1 unit) R 369,02(exc. VAT) R 369,02/unit Quantity	Digilent	-	8GB	SD Card	-	SDXC	7	-	Class 10, UHS II U3	-	Yes	667x	70°C	0°C	-	XC	-	RoHS
Supply shortage Kingston 16 GB Industrial Grade MicroSDHC microSD, Class 10, U3, A1, UHS-I RS stock no. 243-6487 Mfr. Part No. SDCIT2/16GBSP Subtotal (1 unit) R 844,41(exc. VAT) R 844,41/unit Quantity	Kingston	Industrial Grade	16GB	microSD	-	MicroSDHC	SDCIT2	-	Class 10, U3, A1, UHS-I	-	No	-	85°C	-40°C	-	TLC	-	RoHS
Supply shortage InnoDisk 2 GB Industrial Grade SD SD Card, Class 10 RS stock no. 183-9366 Mfr. Part No. DS2A-02GI81C1B Subtotal (1 unit) R 1 272,45(exc. VAT) R 1 272,45/unit Quantity	InnoDisk	Industrial Grade	2GB	SD Card	-	SD	Industrial	-	Class 10	-	-	-	0°C	0°C	-	SLC	-	No
In Stock Transcend 8 GB MicroSDHC microSD, UHS I U1, UHS I U3, A1, Class 10 RS stock no. 186-4648 Mfr. Part No. TS8GUSD300S Subtotal (1 unit) R 809,63(exc. VAT) R 809,63/unit Quantity	Transcend	-	8GB	microSD	-	MicroSDHC	-	-	UHS I U1, UHS I U3, A1, Class 10	-	Yes	-	85°C	-25°C	-	TLC	-	CE
In Stock Transcend 64 GB MicroSDHC, MicroSDXC microSD, Class 10 RS stock no. 186-4676 Mfr. Part No. TS64GUSDXC10 Subtotal (1 unit) R 1 926,15(exc. VAT) R 1 926,15/unit Quantity	Transcend	-	64GB	microSD	-	MicroSDHC, MicroSDXC	-	-	Class 10	-	Yes	-	85°C	-25°C	-	-	-	No
Currently unavailable Kingston 128 GB SDXC SD Card, UHS-I, Class 10 RS stock no. 195-8337 Mfr. Part No. SDS2/128GB Subtotal (1 unit) R 465,82(exc. VAT) R 465,82/unit Quantity	Kingston	-	128GB	SD Card	-	SDXC	Canvas Select Plus	-	UHS-I, Class 10	-	-	-	85°C	-25°C	-	-	-	RoHS, MIL-STD-883H, ISO7816-1, IEC/EN 60529 IPX7
In Stock Kingston 32 GB Industrial Grade SD SD Card, UHS I Speed Class U3 RS stock no. 271-1630 Mfr. Part No. SDIT/32GB Subtotal (1 unit) R 2 887,30(exc. VAT) R 2 887,30/unit Quantity	Kingston	Industrial Grade	32GB	SD Card	-	SD	-	-	UHS I Speed Class U3	-	-	-	-	-	-	-	-	No
Supply shortage ATP Industrial Grade 128 GB MicroSDHC microSD, Class 10, U3, UHS-I RS stock no. 206-9211 Mfr. Part No. AF8GUD4A-BBBXM Subtotal (1 unit) R 413,52(exc. VAT) R 413,52/unit Quantity	ATP	Industrial Grade	128GB	microSD	-	MicroSDHC	-	-	Class 10, U3, UHS-I	-	-	Sequential Read Up to 99 Mb/s	85°C	-40°C	-	SLC	-	No
In Stock Kingston 128 GB MicroSD microSD, UHS 1 U1, Class 10 RS stock no. 187-3619 Mfr. Part No. SDCE/128GB Subtotal (1 unit) R 1 855,47(exc. VAT) R 1 855,47/unit Quantity	Kingston	-	128GB	microSD	-	MicroSD	-	-	UHS 1 U1, Class 10	-	No	-	85°C	-25°C	-	TLC	-	No
Temporarily out of stock Lexar 32 GB Industrial Grade MicroSDHC microSD, UHS-I RS stock no. 267-6402 Mfr. Part No. LMS0633032G-BNNNG Subtotal (1 unit) R 276,48(exc. VAT) R 276,48/unit Quantity	Lexar	Industrial Grade	32GB	microSD	-	MicroSDHC	-	-	UHS-I	-	-	-	-	-	-	-	-	No
Supply shortage KIOXIA Industrial Grade 32 GB MicroSD microSD, Class 10 RS stock no. 203-4765 Mfr. Part No. LMEX1L032GG2 Subtotal (1 unit) R 168,47(exc. VAT) R 168,47/unit Quantity	KIOXIA	Industrial Grade	32GB	microSD	-	MicroSD	-	-	Class 10	-	Yes	-	85°C	-25°C	-	MLC	-	RoHS
Currently unavailable Kingston 128 GB MicroSD microSD, Class 10 RS stock no. 195-8343 Mfr. Part No. SDCS2/128GB Subtotal (1 unit) R 364,97(exc. VAT) R 364,97/unit Quantity	Kingston	-	128GB	microSD	-	MicroSD	-	-	Class 10	-	Yes	-	85°C	-25°C	-	-	-	No
Temporarily out of stock Micron Industrial Grade 512 GB MicroSD, microSD Card Micro SD Card, Up to 100 Mb/s RS stock no. 696-962 Mfr. Part No. MTSD512ANC8MS-1WT Subtotal (1 unit) R 2 380,18(exc. VAT) R 2 380,18/unit Quantity	Micron	Industrial Grade	512GB	Micro SD Card	-	MicroSD, microSD Card	-	-	Up to 100 Mb/s	-	No	-	85°C	-25°C	-	NAND	-	RoHS
In Stock Integral Memory 16 GB MicroSDXC microSD, Class 10 RS stock no. 180-5793 Mfr. Part No. INMSDH16G10-90U1 Subtotal (1 unit) R 255,71(exc. VAT) R 255,71/unit Quantity	Integral Memory	-	16GB	microSD	-	MicroSDXC	-	-	Class 10	-	Yes	-	0°C	0°C	-	-	-	No
In Stock Transcend 512 GB Industrial Grade MicroSDXC microSD RS stock no. 262-9766 Mfr. Part No. TS512GUSD460T Subtotal (1 unit) R 12 256,31(exc. VAT) R 12 256,31/unit Quantity	Transcend	Industrial Grade	512GB	microSD	-	MicroSDXC	USD460T	-	-	-	-	-	85°C	-40°C	-	3D	-	No