What Are the Differences Between Secure and Unsecure Memory Cards?

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What Are the Differences Between Secure and Unsecure Memory Cards?

When searching for memory cards for a mobile phone or other electronic device, it’s important to decide whether a secure or an unsecure memory card would be the most suitable option. There are many different types of memory card on the market, so it’s important to find out which of these are secure memory cards and which are not, and to understand the differences between the two types before purchasing one.

About Mobile Phone Memory Cards

Memory cards are handy devices which can be used to store audio-visual data such as photos, video clips, and music files recorded on mobile phones, cameras, camcorders and a wide range of other electronic equipment. The data held on these cards can then be transferred to a laptop or PC in order to store it, or to watch or listen to it. Some memory cards are designed to be used in several types of equipment whereas others are designed purely for use in a single gadget, such as a mobile phone.

Secure and Unsecure Memory Cards

There are many different types of memory card on the market, but these fall into two main categories: secure memory cards and unsecure memory cards. Before buying a memory card for a mobile phone, it is worth finding out about the differences between these two types of card, and learning more about the types of secure and unsecure memory cards that are available.

What Are Secure and Unsecure Memory Cards?

There are two main types of memory card – secure and unsecure. The table below provides details of each of these two types.

Type

Description

Secure memory cards

The term secure memory card refers to memory cards formatted according to the Secure Digital (SD) standard. SD cards were first produced in the late 1990s and were designed to feature digital rights management (DRM) software in order to protect media producers from piracy by restricting the ability of the cards to play pirated media content. Today, SD memory cards are the most common type available and are now known for their compact sizes and quality, rather than for their DRM capabilities.

Unsecure memory cards

The term unsecure memory cards refers to memory cards that are not formatted according to the Secure Digital (SD) standard. The most common alternative to SD memory cards is the Compact Flash (CF) memory card.

The Advantages and Disadvantages of Secure and Unsecure Memory Cards

When choosing a memory card for a mobile phone, it’s important to consider the advantages and disadvantages of each main type of memory card. The table below shows the main benefits of, and issues with, each type of card.

Type

Description

Secure memory cards

The SD memory card is the most common format of memory card to be found on the market and, therefore, there is more choice available for shoppers looking for this type of card. SD memory cards also come in a range of formats, including micro versions which are specifically designed to be used in small pieces of technology, such as smartphones.

Unsecure memory cards

Unsecure memory cards are not as easy to find as SD memory cards and it is particularly difficult to find Compact Flash memory cards which are compatible with mobile phones. However, some users consider unsecure memory cards to be superior to SD cards, particularly for use in digital cameras, as they can sometimes have higher storage capacities and more extensive speed capacities than SD cards.

Types of Secure and Unsecure Mobile Phone Memory Cards

After deciding whether a secure memory card or an unsecure memory card would be the most suitable option, shoppers will then need to decide which type of memory card would be the most suitable for their needs.

Secure Memory Cards

There are many different types of secure memory card on the market, so it’s important to choose the most appropriate option when shopping for one for use with a mobile phone. Details of some of the main types of secure memory card are shown in the table that follows.

Type

Description

SD memory cards

Standard SD memory cards are the largest secure memory cards in terms of physical size on the market and can usually hold either 2GB or 4GB of data.

SDHC memory cards

SDHC memory cards are high-capacity memory cards and are capable of holding anywhere from 4GB to 32GB of data.

MiniSD memory cards

MiniSD memory cards are compact versions of standard SD memory cards, so they will fit into smaller devices. They can usually hold 2GB or 4GB of data.

MiniSDHC memory cards

MiniSDHC memory cards are smaller versions of SDHC memory cards and, like SDHC cards, can hold between 4GB and 32Gb of data.

MicroSD memory cards

MicroSD memory cards are the smallest standard SD memory cards on the market, and are commonly used in compact electronic devices, such as mobile phones. They usually have capacities of either 2GB or 4GB.

MicroSDHC memory cards

MicroSDHC memory cards are the most compact form of high-capacity SD card on the market and are often suitable for use with smartphones. Different types of MicroSDHC memory card hold anywhere between 4GB and 32GB of data.

Unsecure Memory Cards

The main types of unsecure memory card are the Compact Flash (CF) memory card and the memory stick. Further details of these types of memory card are provided in the table below.

Type

Description

Compact Flash memory cards

Compact Flash (CF) memory cards are not manufactured according to Secure Digital (SD) standards. Usually larger than SD cards, they also often have larger capacities and, although there are not as many mobile phone-compatible Compact Flash cards on the market, it is possible to find some.

Memory sticks

Memory sticks (MS) are designed by Sony and can only be used in a limited number of cameras and phones produced by specific manufacturers. There are several different formats of memory stick available, each with different capacities.

Other Factors to Consider When Buying Mobile Phone Memory Cards

When buying memory cards for mobile phones, there are also several other factors that should be taking into consideration before placing an order. Details of these factors are shown in the following table.

Factors

Description

Compatibility

When buying memory cards for a mobile phone, check product descriptions to ensure that any memory card selected will be compatible with the specific brand and model of phone owned.

Authenticity

Ensure that any memory card selected is a genuine product from a reputable brand. Using fake memory cards can damage a mobile phone.

Buying Secure and Unsecure Mobile Phone Memory Cards on eBay

Shoppers looking for secure or unsecure mobile phone memory cards will find a wide range of both types available on eBay. To find suitable memory cards, visit eBay’s homepage and select Shop by category, followed by See all categories and then Mobile Phones & Communication. Choose the category heading Mobile Phone & PDA Accessories and then click on Memory Cards in the list of categories shown on the left-hand side of the page. Searches can then be narrowed down by using the check-boxes on the left-hand side of the page to include or exclude certain types of memory card from the results shown. Each page of eBay also features a search box at the top of the page. Keywords, such as ‘SD memory card mobile phone’ can be entered in order to produce a list of products fitting those specifications.

Conclusion

The market for mobile phone memory cards includes both secure and unsecure memory cards and it is important to decide which type would be most suitable before buying one. There are a number of different types of each format of memory card available too. However, by researching the options available, finding out about the differences between each type of memory card, comparing the different memory cards currently for sale and finding out about different sellers, it should be possible to find an appropriate memory card for any mobile phone relatively easily.

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