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Sony Tough CFExpress Card Type B R 1700MB/S W 1480 MB/S 256 GB

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283,67 233,67
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Item Nr. 49287

Lexar 128 GB 2PACK

Item Nr. 49287
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MSRP* 124,99
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From the blog

Guide to the best memory cards - Everything you need to know!

Digital photography is just as impossible without a memory card as analog photography is without film. In recent years, the names of memory cards have become increasingly opaque and can confuse beginners in particular. We will now try to clarify the situation and explain the best models and names.

Read now
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The importance and diversity of memory cards in technology

In today's technology-driven world, memory cards play an essential role in the storage and transfer of data. These compact electronic data carriers are used in a wide range of electronic devices, meeting the requirements of a wide variety of usage scenarios. In this article, we take a look at the different aspects of memory cards and their importance in modern technology.

The role of memory cards in electronic devices

Memory cards are widely known for their use in digital cameras, smartphones, tablets and other portable devices. They are used to securely store and easily transport data such as photos, videos, music and other file formats. Thanks to their compact size and high storage capacity, they have become an indispensable item for those who want to store and carry a variety of content.

Different types of memory cards

Diverse variants of memory cards exist, including the widely used SD (Secure Digital) cards , microSD cards, CompactFlash cards, XQD cards, CF Express Type B and Type A, but also Memory Stick cards. Each of these variants is characterized by specific physical properties and storage capacities that meet the individual requirements of different devices. For example, SD cards offer higher storage capacity compared to the more compact microSD cards that are often used in mobile devices such as smartphones, tablets or action cams.

The technology of flash memory

Memory cards use flash memory, a type of non-volatile memory also used in USB flash drives and solid-state drives (SSDs). Flash memory provides fast access to stored data and is characterized by its robustness to shock and vibration. These characteristics make flash memory particularly suitable for use in mobile devices that are often used on the go.

Hard drives & NAS drives

Write and read speeds: A look at performance

Other crucial features of memory cards that should be considered when making a selection are write and read speeds. These speeds determine how quickly data is written to the card and how quickly it can be retrieved from the card. Modern applications, such as shooting high-definition video or storing large files, require memory cards with high write speeds. A faster write speed means that it takes less time to transfer data, which is especially beneficial in time-critical situations.

At the same time, a high read speed is equally important because it ensures that the stored content can be retrieved quickly. This is especially important when viewing photos and videos or transferring large files.

Memory card read and write speeds are often measured in megabytes per second (MB/s). When selecting a card, it is important to make sure that the speed specifications meet the requirements of the intended use. Some memory cards are labeled with a speed class that gives an indication of their performance. These classifications help ensure that the card meets the necessary requirements.