SD card is a standard card that is used to store data when is inserted in the digital devices. This is similar to that of the USB drive, but is the flat version to it. This removable device will be in the size of a stamp and holds massive amount of data. Now we introduce to you what is SD card. You can find this storage device mostly in cameras and Smartphones. You can store ample amount of data on this device and is costlier compared to the USB drive. This portable device is used by the Smartphone and tablet owners. This secure data card will come in various formats such as regular format, mini format and micro format. You can insert the mini and the micro format into the adapter to read using the special 2D slots. If you are working online, you can directly save the data to the SD card and can move it between your mobile device and system. This is the one that is used to expand the memory space on your mobile or camera.
Working of an SD Card
The SD card will depend totally on the chip to safely store enormous amount of data. The SD card is equipped with a small circuit board that will make use of the electric current to store the information and this data can be retrieved easily with the SD card reader.
Different types of SD cards
Here are a few different types of SD cards that are available in the market. There include:
Pro: This card has the ability to write the speed from 60 mbps to 90 mbps. This card is perfect to record full HD 4k video and can be used in the DSLR camera to take the photos and store them safely. You can also use this when you have to shot the video continuously. This is best suitable for the sports photography.
Plus: This SD card has the ability to write at the speed of 45 mbps and is used for non-professional purposes. This is widely used for landscape photography, movies and single shots.
Standard: This has the ability to write at the speed of 30 mbps. This card is widely used in the compact cameras. However, it is not perfect to be used for 4K Ultra HD movies.
Tips to buy an SD card
Few of the factors you need to check before buying an SD card includes:
Check the design and the proof technology
The SD card that you are going to buy for your mobile or camera should be resistance to extreme heat. This must be shock proof and must not have an impact when it kept closer to the magnet. This makes sure that the files that you have stored on the SD card would be safe despite these conditions. The proof technology that is used will not let the card to get damaged soon. This offers high durability and warranty.
Must allow you to do HD recording
The SD card that you want to buy must support HD recording. This allows you to store the videos of high file size and watch the videos in HD quality. You can also store the photo shoot images in HD quality so that the resolution of the image will be clear.
Check the read speed
The card that you are going to buy must have the read speed of 100 mbps. This allows you to quickly transfer the files irrespective of their size to the destined device. You can transfer videos and images from one device to another with the Wi-Fi signal.
Check the storage capacity
This is the most important thing that you have to check when you are planning to buy an SD device. You will get the SD card with different storage capacities such as 16 GB, 32 GB, 64 GB, 128 GB and 256 GB. However, the size you are buying depends totally on your requirement.
Check the physical size
The SD card will come in different sizes. There include:
- Standard SD card: This size of the card would be 32x24x2.1 mm and weighs only 2 grams. The digital cameras that are available in the market are compatible with this SD card. They have cut corner design.
- Mini SD card: This is the smaller version of the standard SD card that would be in 21.5x20x1.4 mm and weights just 0.8 grams. This is made to fit in the mobile devices. However, you are even getting the smaller version of this card in the market.
- Micro SD card: This is the smallest of the SD card that would be in 15x11x1 mm and weighs just 0.25 grams. This is compatible to be used on Smartphones and cell phones. You can also use this on the tablets.
It is important for you to choose the right size of the SD card that better fits in your device, since investing in the card that is not compatible on your device will burn holes in your pockets. So, buying the SD card that fit in your slots. You cannot use a micro SD card in the slot that is made for standard SD card. In this case, you need to buy the adapter and use.
Check the speed class
Not every SD card that is available in the market comes with the same speed class. If you are a professional photographer, who captures a lot of photos and videos using DSLR camera, then you would need to have the card that reads and writes quickly. This allows you to store the data on the card at a brisk pace. The fast SD card is critical for you to record the high resolution video. If you are using the SD card in your Smartphone or camera to just store the media files, and then speed will not play a major role. There are four different speed classes available. There include class 10, 6, 4 and 2. The class 10 is widely used to record HD videos at a brisk pace and class 2 is perfect to be used for standard definition video recording. The class 4 and 6 will be used for high definition video recording.
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