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Difference between SD and SDHC Cards

Difference between SD and SDHC Cards

When it comes to storing data, there are a variety of ways to do so. One popular option is through SD or SDHC cards. However, what’s the difference between the two? And which one should you choose for your needs? In this blog post, we’ll explore the differences between SD and SDHC cards and help you decide which option is best for you.

What is SD Card?

An SD card is a tiny memory card used for storing pictures, music, video, and other files. SD cards are found in digital cameras, camcorders, smartphones, MP3 players, and computers. They are used in devices such as digital cameras and camcorders to store high-quality video and images or to store large amounts of data, like music files. SD cards are also used in smartphones and other portable devices to expand the storage capacity of the device. In computers, an SD card can be used to store programs and data or to transfer files between computers. Most SD cards are about the size of a postage stamp and can hold up to 2GB of data.

What is SDHC Card?

SDHC stands for Secure Digital High Capacity. SDHC cards are a newer format of SD cards that can store more data than the original SD format. SDHC cards are typically available in capacities of 4GB, 8GB, 16GB, and 32GB. In order to use an SDHC card, your device must have an SDHC-compatible slot. Many newer devices, such as digital cameras and camcorders, support SDHC cards. However, some older devices may only support the original SD format. As a result, it’s important to check your device’s manual before purchasing an SDHC card. Although SDHC cards are more widely compatible than ever before, there are still a few devices that do not support this format. When in doubt, it’s always best to err on the side of caution and purchase an SD card instead of an SDHC card.

Difference between SD and SDHC Cards

SD and SDHC cards are both types of flash memory cards, which are commonly used in digital cameras and other electronic devices. Both types of cards are the same size and have the same interface. The main difference between SD and SDHC cards is capacity. SD cards typically have a capacity of 2GB or less, while SDHC cards have a capacity of 4GB or more. SDHC cards are also classified into different speed classes, which indicates how fast data can be written to the card. Class 2 cards are suitable for standard-definition video recording, while class 10 cards are suitable for high-definition video recording. In general, SDHC cards are more expensive than SD cards, but they offer higher capacities and faster speeds.


SD and SDHC cards are both types of flash memory cards, but they have different features. The most important distinction is that SDHC cards can hold more data than SD cards. If you need a card that can store a lot of files, then you should choose an SDHC card. If you only need to store a small number of files, then an SD card will be sufficient.

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