Memory Card Buying Guide | 4 Tips to buy a Good SD card

SD card is installed on almost every smart phone, Video camera, Mp3 players & portable devices of today, here’s 4 tips On how to buy a good Memory Card for your electronic devices.

As already stated, Memory cards are used in portable devices like cameras, phones, laptops, camcorders, and eBooks amongst others.

First, what is the function of a memory card or secure digital (SD) card?

The major function of a memory card is to store files from pictures to music, documents and videos. It stores them all.

Their sizes ranges from 2GB, 4GB, 8GB, 16GB, 32GB and 64GB. However, these files can easily be corrupted if the card is a counterfeit. Hence, risking your files and data.

Therefore, it is important that you choose or buy a very good memory card or secure digital card (SD card). You can use our tips below to discover ways of choosing a very good memory card.

1. Physical Size

Memory cards come in different sizes. This is one of the features that a buyer must consider before buying a card. SD cards built-in three major sizes ranging from 32 x 24 mm (small), 21.5 x 20 mm (smaller) and 11 x 15 mm (smallest).

This is not surprising because Technology outfits are now gravitating towards miniature technologies.

2. Speed

The speed of the card is probably one of the most important features to consider before buying any. The speed ratings are clearly written the memory card.

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So, before selecting one, it is essential that you choose a speed rating that is well-suited for your device. The speed ratings are 2 MB/sec, 4 MB/sec, 6 MB/sec, and 10MB/sec. The 2 MB/sec write speed at 2 megabytes per second.

3. Compatibility

Before, you buy any Secure Digital card, you must check if the SD card you want to buy is compatibility with your device. This means that you must go to the mall or store with your gadget or device.

This will help you avoid any kind of disappointment when you want to insert the card. In addition, it is advisable not to patronize touts. They can sell a fake Memory card/Secure Digital (SD) Card to you.

4. Storage Capacity

For example, a 4GB card can hold 40 minutes of high-definition videos, close to 1540 photos, and a mouth-watering 68 hours of music.

Therefore, you have fairly understand that different memory cards have different functions and know what kind of job your device does.

If you are a photographer, a 2 GB or 4 GB memory card would not serve you, it better to go for the 32 or 64 GB capacity ones.

Your turn

You have read our tips on how to buy a good and decent memory card without patronizing touts and counterfeits sellers, this should be able to guide you to buying only high quality and original sd cards.

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Are there experiences, tips and instruction you will like to share with our readers on how to buy a good memory card?

Kindly drop them below via the discussion section.


Credits: This post was crafted and contributed to the tech diary of an ICT geek by Adeniyi Ogunfowoke of

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I am a dedicated web developer with interest in blogging and app development. I have lots of buddies and always ready to connect with like-minded pals - See more about me.

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