Compact Security and Reliability: What You Need to Know About SD Cards

More than two decades ago, a revolutionizing invention had its debut into the world of portable technology. SD Cards, or Secure Digital Cards, have been...


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More than two decades ago, a revolutionizing invention had its debut into the world of portable technology. SD Cards, or Secure Digital Cards, have been around for quite some time now, and its main purpose is to be a portable storage device in a small form factor for devices such as Cameras, Tablets, Mobile Phones, and your conventional Flash Drive.

What You Need to Know About SD Cards

When it comes to SD cards, there are various types in the market right now. With various types of sd cards and numerous details about each of them, it can be a bit tricky to understand their purpose and how it can serve you better. So, before buying an SD card, here is a list of what you need to know about Secure Digital cards.

Its Small Form Factor

There are three different sizes of sd cards. The original design of the Secure Digital card measures around 32×44 millimetres. After quite some time, the developers created another product in the SD card family, but with a smaller form factor called the Mini SD card, which has the size of 21.5×20 millimeters. However, today, the smallest SD card that became a device’s standards is measured at about 11.15 millimeters.

The Storage Capacity

When it comes to an SD card’s overall storage capacity, people would generally think about how much data the device can store in its memory. Of course, it’s in terms of the type of data that the user stores and how much space the data occupy. For data, such as audio and video files, users would need to consider the SD card’s overall capacity, depending on the volume.

SDXC and SDHC

SDXC and SDHC are abbreviations of a type of SD card that is in the market today. It’s relatively straightforward as the SDHC stands for High Capacity SD Memory Card, while the SDXC one stands for Extended Capacity Memory Card. There’s a significant difference between the two: The SDHC can hold up to 32 gigabytes, while the SDXC has the capacity to hold 2TB.

A Variation in Speed

If a consumer wants an SD card that can read and write data files very quickly, then an SD card’s speed class is one important aspect to consider. An SD Card’s speed class is classified into four categories: C2, C4, C6, and C10. Thus, a C2 classified SD card is the slowest, while C10 classified SD cards are the fastest.

The minimum serial data speed determines the overall speed of an SD card. Moreover, the device’s speeds are regulated by how fast the device can read and write data files. The lowest classification of the SD card can manage standard definition content, while the highest classified SD card can manage the highest quality content.

Takeaway

Secure Digital cards, commonly known as SD cards, are a data storage device with a small form factor. Average consumers use the device as a means to store all of their private data, video, and audio files. Because of the SD Card’s form factor, the product is widely used in portable audio and video recording devices. It also comes with various sizes and storage capacities, accommodating the needs of an average consumer.


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