Complete and Concise Guide to Buy a Good Memory Card

You have bought a toting happening camera or a smartphone but your get is incomplete without a memory card appropriately that you can heritage more photos or videos. Most of the devices come once a basic Secure Digital (SD) card of storage realization 2GB/4GB but it is highly necessary to invest wisely in a pleasant card therefore that you profit more storage space and memory. There are various options of memory cards handy in the assert and can be categorized into various types according to speed classes, size and additional features.


Memory cards are categorized into three types a propos the basis of their storage do something:

SD – Basic SD cards can maintain upto 2GB storage. The older models of devices may nevertheless admit SD cards.

SDHC (High Capacity SD) – SDHC cards can buildup along with 4GB to 32GB of content. Nowadays, SDHC cards are conscious thing used in all latest camera or phone models as all the devices retain high storage capacities.

SDXC (Extended facility SD) – SDXC cards are most recent and they can buildup data from 32GB upto 2TB. They can be inserted into those devices which are compatible gone SDXC satisfactory. They are deeply priced and are rarely used as each and every one few devices maintain SDXC card.

Before buying a card, it is in dream of fact important to find its size as alternating electronic devices use every second size of memory cards.

SD (Secure Digital) cards are mainly manageable in three sizes –

Standard SD (by now dimensions 32 x 24mm and weight=2 gms)

MicroSD (once dimensions 11 x 15mm and weight=0.8 gms)

MiniSD card (dimensions 21.5 x 20mm and weight=0.25 gms)
Standard SD cards are mainly used in digital cameras whereas for smartphones, you would require smaller size cards. MiniSD cards were used in mobile phones earlier but they are rarely used these days. They have been replaced by even smaller-sized microSD cards. Besides mobile phones, microSD cards are along with swine used in laptops or tablets.

SD cards can only be add taking place their matching slots. You cannot count going on a SD card in a smaller card slot or vice-versa. In feat of emergency, you can use an adapter which can abet you to plug a smaller-sized card in a greater than before slot.


The quickness of the card is measured by “Speed Class” and all cards come behind modifiable speeds. Speed class is defined by card manufacturers and SD attachment to old-fashioned occurring the consumers pick the right one. For recording a high-resolved video or images, you should choose rapid SD card if you twinge to money the content directly to the card.

There are four types of Speed classes as follows:

Class 2: Class 2 refers to 2MBps swiftness and is probably the slowest along along in addition to all. It is best suited for era-privileged definition video recording and images. Class 2 memory cards are not used an additional. Most of the smartphones and cameras sticking together Class 4, 6 and 10.

Class 4: Class 4 refers to 4MBps eagerness and is ideal for some video as neatly as yet pictures.

Class 6 and 10: Class 6 and 10 concentrate on to 6MBps and 10MBps liveliness respectively. Class 10 is fastest together along moreover all. Class 6 is used for HD video recording and high definition yet pictures. Class 10 gives all-powerful results while recording Full HD videos at 1080p, burst shooting mode and can occupy HD nevertheless images.

Ultra High Speed Class (UHS-1, UHS-3): These cards are most costly and are mainly used by professionals for oppressive video recording. They are expected for devices that retain UHS (Ultra High Speed). UHS-1 memory cards have eagerness changing from 10MBps to 30MBps and are used for Full HD video recording. UHS-3 cards are best used for 4K and 2K video recording and can even maintain readiness upto 50MBps. It is always advisable to spend upon a allowable-setting memory card of reputed and popular brands gone Sandisk, Kingston, Samsung, Sony etc.

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